Deck 11: Human Body Systems

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Question
Which is not a function of the circulatory system?

A)To transport nutrients to the cells and to remove wastes from the cells
B)To distribute heat throughout the body
C)To produce and store all of the immune system cells
D)To carry chemical signals,such as hormones,throughout the body
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Question
Most of the absorption of nutrients (besides water)takes place in the ________.

A)esophagus
B)small intestine
C)stomach
D)large intestine
Question
The pulmonary circuit specifically circulates blood to the ________.

A)lungs
B)liver
C)brain
D)heart
Question
What is the role of the epithelium?

A)Covers exposed body surfaces
B)Transmits electrical signals throughout the body
C)Contracts to create body movement
D)Provides the padding between the joints
Question
The term interface can be used to describe the surface across which molecules and ions are exchanged,often diffusing between external and internal environments or between organ systems.What part of the respiratory system forms the interface between the respiratory system and the circulatory system?

A)Alveoli
B)Trachea
C)Pharynx
D)Bronchioles
Question
What causes a stomach ulcer?

A)Lack of a key nutrient
B)Consuming too many calories
C)Chronic consumption of spicy food
D)A bacterial infection
Question
Organs are made up of a collection of ________.

A)different types of cells
B)different types of tissues
C)the same type of cells
D)the same type of tissues
Question
Response to a stimulus,such that the effect of the stimulus is counteracted,is called ________ feedback.

A)positive
B)simple
C)holistic
D)negative
Question
What moves the food from your mouth to your stomach when you swallow?

A)Gravity
B)Peristaltic muscle contractions
C)Undulatory muscle contractions
D)Pressure difference between zones
Question
________ refers to how a body system functions.

A)Anatomy
B)Biology
C)Zoology
D)Physiology
Question
Which are the thinnest blood vessels?

A)Bronchioles
B)Capillaries
C)Arterioles
D)Venules
Question
Scurvy is caused by a lack of which nutrient?

A)Calcium
B)Vitamin D
C)Vitamin C
D)Omega-3 fatty acid
Question
Which accessory organ's secretions neutralize stomach acid before it reaches the intestines?

A)Salivary glands
B)Gallbladder
C)Liver
D)Pancreas
Question
What is the role of the epiglottis?

A)Produces vocal sounds
B)Filters dust and other impurities from entering the respiratory system
C)Prevents food from entering the windpipe
D)Produces the positive or negative pressures that force air into or out of the lungs
Question
Examine the calculating BMI chart.What is the most a person 5'6" tall could weigh and still be in the normal range (not overweight)? <strong>Examine the calculating BMI chart.What is the most a person 5'6 tall could weigh and still be in the normal range (not overweight)?  </strong> A)120 pounds B)150 pounds C)180 pounds D)240 pounds <div style=padding-top: 35px>

A)120 pounds
B)150 pounds
C)180 pounds
D)240 pounds
Question
What is the role of the villi?

A)To absorb small nutrient molecules from the digestive tract
B)To move food along the digestive tract
C)To secrete digestive enzymes into the digestive tract
D)To secrete water into the digestive tract
Question
An essential nutrient is specifically a nutrient that your body ________.

A)needs to grow
B)needs to function
C)cannot make by itself
D)cannot store
Question
Maintaining a steady state internal environment,despite a changing external environment,is called ________.

A)heterostasis
B)biofeedback
C)homeostasis
D)bioregulation
Question
Which of the following statements is true?

A)Mechanical digestion only occurs in the mouth; chemical digestion only occurs in the stomach.
B)Mechanical and chemical digestion both occur in the mouth and in the stomach.
C)Mechanical digestion only occurs in the stomach; chemical digestion only occurs in the mouth.
D)Mechanical and chemical digestion occur in the mouth; chemical digestion,but not mechanical digestion,occurs in the stomach.
Question
Connective tissue is the most variable of the tissue types.Which one of the following is not categorized as connective tissue?

A)Bone
B)Blood
C)Fat
D)Skin
Question
How is it that red blood cells can bind oxygen in the lungs but then offload it near body cells that need it?

A)Oxygen diffuses into or out of the blood following its concentration gradient.
B)A conformational change caused by high pH causes the oxygen to detach near the cells that need it.
C)A conformational change caused by low pH causes the oxygen to detach near the cells that need it.
D)Oxygen is displaced by carbon dioxide in the body.
Question
Select the feature which is not directly involved in the clotting process.

A)Platelets
B)Hemoglobin
C)Fibrin
D)All of these are involved in the clotting process.
Question
Which medication prevents viral infections by priming the immune system against a specific virus?

A)Vaccine
B)Antibiotic
C)Diuretic
D)Anti-inflammatory
Question
Choose the defining characteristic of all arteries.

A)They only carry blood back to the heart.
B)They only carry blood away from the heart.
C)They only carry deoxygenated blood.
D)They only carry oxygenated blood.
Question
What is the purpose of dialysis treatments?

A)To constrict blood vessels to prevent death from anaphylactic shock
B)To detoxify dangerous chemicals in the bloodstream
C)To remove waste products from the bloodstream
D)To keep the airways open so one can breathe
Question
Which of the following blood cells fights infections?

A)Erythrocytes
B)Thrombocytes
C)Leukocytes
D)Hemocytes
Question
Which form of diabetes would require regular injections of insulin?

A)Type 1
B)Type 2
C)Type 3
D)Type 4
Question
What is the name of the response to an injury in which fluids leak from dilated blood vessels causing redness and swelling?

A)Innate response
B)Inflammatory response
C)Compliment response
D)Lymphatic response
Question
What is the primary function of the sinoatrial node?

A)Initiates the contraction of the heart
B)Increases or decreases blood pressure
C)Opens and closes the heart valves
D)Supplies the heart muscle with oxygen
Question
What is the name of the tubes that run from the kidneys to the bladder?

A)Fallopian tubes
B)Urethras
C)Nephrons
D)Ureters
Question
There are many organs and glands of the endocrine system,but which one is the master controller?

A)Pituitary
B)Thyroid
C)Hypothalamus
D)Pancreas
Question
How is an adaptive defense initially primed?

A)Upon exposure to a foreign antigen
B)Complement proteins identify a cell as foreign
C)Antibodies bind to surface markers of a foreign cell
D)By way of the clonal selection of effector cells
Question
From production through ejaculation,which is the correct pathway for a sperm cell?

A)Testis → Epididymis → Vas Deferens → Seminal Vesicles → Prostate Gland → Penis
B)Testis → Prostate Gland → Seminal Vesicles → Epididymis → Vas Deferens → Penis
C)Testis → Vas Deferens → Epididymis → Prostate Gland → Seminal Vesicles → Penis
D)Testis → Epididymis → Seminal Vesicles → Vas Deferens → Prostate Gland → Penis
Question
Select the correct sequence for the pathway of blood through the heart.

A)Body → Left Atrium → Left Ventricle → Lungs → Right Atrium → Right Ventricle → Body
B)Body → Left Ventricle → Left Atrium → Lungs → Right Ventricle → Right Atrium → Body
C)Body → Right Ventricle → Right Atrium → Lungs → Left Ventricle → Left Atrium → Body
D)Body → Right Atrium → Right Ventricle → Lungs → Left Atrium → Left Ventricle → Body
Question
What is the condition called when your body's immune system overreacts to an otherwise harmless foreign particle?

A)Arthritis
B)Allergy
C)Diabetes
D)SCID
Question
Identify the primary role of the lymphatic system.

A)Distribution of hormones to the body
B)Delivery of oxygen to the deep muscle cells
C)Produce and store large numbers of white blood cells
D)Filter out cellular wastes from the blood
Question
Identify which blood vessel drains blood from the head and shoulder region back to the heart.

A)Superior vena cava
B)Inferior vena cava
C)Superior aorta
D)Inferior aorta
Question
Which type of white blood cells produces defensive proteins called antibodies?

A)Phagocytic cells
B)T cells
C)Natural killer cells
D)B cells
Question
To which region of a cell does a fat soluble hormone bind to its receptor?

A)On the exterior surface of a cell's plasma membrane
B)On the interior surface of a cell's plasma membrane
C)In the cell's cytoplasm or the nucleus
D)Fat soluble hormones do not have receptors.
Question
What type of disorder is AIDS?

A)Autoimmune disease
B)Allergic reaction
C)Immune rejection
D)Immunodeficiency
Question
Why can you not catch the same cold twice but a new cold will make you sick for a week or two?
Question
Describe the two separate metabolic needs that are met when a full-grown person eats a balanced diet.
Question
Which receptors in the eye are sensitive to color?

A)Sclera
B)Rods
C)Cornea
D)Cones
Question
Which part of the brain produces our most distinctly human traits,such as reasoning and imagination?

A)Cerebellum
B)Medulla oblongata
C)Corpus callosum
D)Cerebral cortex
Question
Genital herpes is a sexually transmitted disease caused by a ________.

A)virus
B)bacteria
C)fungus
D)protist
Question
Describe the role of the two antagonistic hormones involved in the feedback loop that maintains the level of glucose in the blood.Which organs are involved and what type of feedback is this?
Question
What carries a signal from one neuron to the next?

A)Neurotransmitter
B)Myelin
C)Synapse
D)Dendrite
Question
Which is not a major protein found in muscles?

A)Actin
B)Myosin
C)Keratin
D)All are major proteins found in muscles.
Question
Of the four chambers of the human heart,which has the thickest walls and why?
Question
When is an unborn child called a fetus?

A)From the 9th week of pregnancy to birth
B)From cleavage to the 9th week of pregnancy
C)From conception through birth
D)From cleavage to birth
Question
How do the muscles in your arm extend your arm outward?

A)The muscles in your arm push on the bones causing your arm to extend.
B)The muscles in your arm relax and the tendons pull the arm straight.
C)Some muscles in your arm relax and others contract,pulling the arm straight.
D)The top half of your bicep wraps around underneath the elbow like a rope over a pulley.When it contracts,the arm is pulled out straight.
Question
What is the key step in spermatogenesis that allows for unlimited sperm production? This step is not present in oogenesis and therefore only a finite number of eggs could be produced.
Question
Where does the fertilization of the egg occur?

A)Ovary
B)Oviduct
C)Uterus
D)Cervix
Question
The spinal cord is part of the ________ nervous system.

A)somatic
B)peripheral
C)autonomic
D)central
Question
Which of the following statements about bones is false?

A)Bones are dry and dead,made up of calcium and connective fibers with a few blood vessels running through them.
B)Bones are living organs with multiple tissue types and multiple cell types.
C)Blood cells are produced in the bone marrow.
D)Arthritis occurs when the cartilage between bones wears down.
Question
What would happen if the sensory neurons in your hand could not transmit a signal?

A)You could feel something touch your fingers but you could not move them.
B)You could move your fingers but you could not feel something touch them.
C)You could not move your fingers or feel something touching them.
D)You could still feel something touching your fingers and still be able to move them.
Question
Your thigh bone,the largest bone in your body,is called the ________.

A)tibia
B)femur
C)fibula
D)pelvis
Question
Which of the following forms of contraception is removable?

A)A tubal ligation
B)A vasectomy
C)An intrauterine device
D)None of these
Question
The release of an egg from an ovary is called ________.

A)oogenesis
B)gametogenesis
C)ovulation
D)menstruation
Question
Sound is "heard" when sound waves cause structures inside your ears to physically vibrate.A signal is then sent to your brain where it is interpreted as sound.What type of receptors in the ear are responsible for the sense of hearing?

A)Chemoreceptors
B)Electromagnetic receptors
C)Mechanoreceptors
D)Thermoreceptors
Question
Describe what would happen if all of your skeletal muscles contracted at the same time.
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Deck 11: Human Body Systems
1
Which is not a function of the circulatory system?

A)To transport nutrients to the cells and to remove wastes from the cells
B)To distribute heat throughout the body
C)To produce and store all of the immune system cells
D)To carry chemical signals,such as hormones,throughout the body
C
2
Most of the absorption of nutrients (besides water)takes place in the ________.

A)esophagus
B)small intestine
C)stomach
D)large intestine
B
3
The pulmonary circuit specifically circulates blood to the ________.

A)lungs
B)liver
C)brain
D)heart
A
4
What is the role of the epithelium?

A)Covers exposed body surfaces
B)Transmits electrical signals throughout the body
C)Contracts to create body movement
D)Provides the padding between the joints
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
5
The term interface can be used to describe the surface across which molecules and ions are exchanged,often diffusing between external and internal environments or between organ systems.What part of the respiratory system forms the interface between the respiratory system and the circulatory system?

A)Alveoli
B)Trachea
C)Pharynx
D)Bronchioles
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
6
What causes a stomach ulcer?

A)Lack of a key nutrient
B)Consuming too many calories
C)Chronic consumption of spicy food
D)A bacterial infection
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
7
Organs are made up of a collection of ________.

A)different types of cells
B)different types of tissues
C)the same type of cells
D)the same type of tissues
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
8
Response to a stimulus,such that the effect of the stimulus is counteracted,is called ________ feedback.

A)positive
B)simple
C)holistic
D)negative
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
9
What moves the food from your mouth to your stomach when you swallow?

A)Gravity
B)Peristaltic muscle contractions
C)Undulatory muscle contractions
D)Pressure difference between zones
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
10
________ refers to how a body system functions.

A)Anatomy
B)Biology
C)Zoology
D)Physiology
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
11
Which are the thinnest blood vessels?

A)Bronchioles
B)Capillaries
C)Arterioles
D)Venules
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
12
Scurvy is caused by a lack of which nutrient?

A)Calcium
B)Vitamin D
C)Vitamin C
D)Omega-3 fatty acid
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
13
Which accessory organ's secretions neutralize stomach acid before it reaches the intestines?

A)Salivary glands
B)Gallbladder
C)Liver
D)Pancreas
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
14
What is the role of the epiglottis?

A)Produces vocal sounds
B)Filters dust and other impurities from entering the respiratory system
C)Prevents food from entering the windpipe
D)Produces the positive or negative pressures that force air into or out of the lungs
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
15
Examine the calculating BMI chart.What is the most a person 5'6" tall could weigh and still be in the normal range (not overweight)? <strong>Examine the calculating BMI chart.What is the most a person 5'6 tall could weigh and still be in the normal range (not overweight)?  </strong> A)120 pounds B)150 pounds C)180 pounds D)240 pounds

A)120 pounds
B)150 pounds
C)180 pounds
D)240 pounds
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
16
What is the role of the villi?

A)To absorb small nutrient molecules from the digestive tract
B)To move food along the digestive tract
C)To secrete digestive enzymes into the digestive tract
D)To secrete water into the digestive tract
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
17
An essential nutrient is specifically a nutrient that your body ________.

A)needs to grow
B)needs to function
C)cannot make by itself
D)cannot store
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
18
Maintaining a steady state internal environment,despite a changing external environment,is called ________.

A)heterostasis
B)biofeedback
C)homeostasis
D)bioregulation
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
19
Which of the following statements is true?

A)Mechanical digestion only occurs in the mouth; chemical digestion only occurs in the stomach.
B)Mechanical and chemical digestion both occur in the mouth and in the stomach.
C)Mechanical digestion only occurs in the stomach; chemical digestion only occurs in the mouth.
D)Mechanical and chemical digestion occur in the mouth; chemical digestion,but not mechanical digestion,occurs in the stomach.
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
20
Connective tissue is the most variable of the tissue types.Which one of the following is not categorized as connective tissue?

A)Bone
B)Blood
C)Fat
D)Skin
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
21
How is it that red blood cells can bind oxygen in the lungs but then offload it near body cells that need it?

A)Oxygen diffuses into or out of the blood following its concentration gradient.
B)A conformational change caused by high pH causes the oxygen to detach near the cells that need it.
C)A conformational change caused by low pH causes the oxygen to detach near the cells that need it.
D)Oxygen is displaced by carbon dioxide in the body.
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
22
Select the feature which is not directly involved in the clotting process.

A)Platelets
B)Hemoglobin
C)Fibrin
D)All of these are involved in the clotting process.
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
23
Which medication prevents viral infections by priming the immune system against a specific virus?

A)Vaccine
B)Antibiotic
C)Diuretic
D)Anti-inflammatory
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
24
Choose the defining characteristic of all arteries.

A)They only carry blood back to the heart.
B)They only carry blood away from the heart.
C)They only carry deoxygenated blood.
D)They only carry oxygenated blood.
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
25
What is the purpose of dialysis treatments?

A)To constrict blood vessels to prevent death from anaphylactic shock
B)To detoxify dangerous chemicals in the bloodstream
C)To remove waste products from the bloodstream
D)To keep the airways open so one can breathe
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
26
Which of the following blood cells fights infections?

A)Erythrocytes
B)Thrombocytes
C)Leukocytes
D)Hemocytes
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
27
Which form of diabetes would require regular injections of insulin?

A)Type 1
B)Type 2
C)Type 3
D)Type 4
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
28
What is the name of the response to an injury in which fluids leak from dilated blood vessels causing redness and swelling?

A)Innate response
B)Inflammatory response
C)Compliment response
D)Lymphatic response
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
29
What is the primary function of the sinoatrial node?

A)Initiates the contraction of the heart
B)Increases or decreases blood pressure
C)Opens and closes the heart valves
D)Supplies the heart muscle with oxygen
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
30
What is the name of the tubes that run from the kidneys to the bladder?

A)Fallopian tubes
B)Urethras
C)Nephrons
D)Ureters
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
31
There are many organs and glands of the endocrine system,but which one is the master controller?

A)Pituitary
B)Thyroid
C)Hypothalamus
D)Pancreas
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
32
How is an adaptive defense initially primed?

A)Upon exposure to a foreign antigen
B)Complement proteins identify a cell as foreign
C)Antibodies bind to surface markers of a foreign cell
D)By way of the clonal selection of effector cells
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
33
From production through ejaculation,which is the correct pathway for a sperm cell?

A)Testis → Epididymis → Vas Deferens → Seminal Vesicles → Prostate Gland → Penis
B)Testis → Prostate Gland → Seminal Vesicles → Epididymis → Vas Deferens → Penis
C)Testis → Vas Deferens → Epididymis → Prostate Gland → Seminal Vesicles → Penis
D)Testis → Epididymis → Seminal Vesicles → Vas Deferens → Prostate Gland → Penis
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
34
Select the correct sequence for the pathway of blood through the heart.

A)Body → Left Atrium → Left Ventricle → Lungs → Right Atrium → Right Ventricle → Body
B)Body → Left Ventricle → Left Atrium → Lungs → Right Ventricle → Right Atrium → Body
C)Body → Right Ventricle → Right Atrium → Lungs → Left Ventricle → Left Atrium → Body
D)Body → Right Atrium → Right Ventricle → Lungs → Left Atrium → Left Ventricle → Body
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
35
What is the condition called when your body's immune system overreacts to an otherwise harmless foreign particle?

A)Arthritis
B)Allergy
C)Diabetes
D)SCID
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
36
Identify the primary role of the lymphatic system.

A)Distribution of hormones to the body
B)Delivery of oxygen to the deep muscle cells
C)Produce and store large numbers of white blood cells
D)Filter out cellular wastes from the blood
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
37
Identify which blood vessel drains blood from the head and shoulder region back to the heart.

A)Superior vena cava
B)Inferior vena cava
C)Superior aorta
D)Inferior aorta
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
38
Which type of white blood cells produces defensive proteins called antibodies?

A)Phagocytic cells
B)T cells
C)Natural killer cells
D)B cells
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
39
To which region of a cell does a fat soluble hormone bind to its receptor?

A)On the exterior surface of a cell's plasma membrane
B)On the interior surface of a cell's plasma membrane
C)In the cell's cytoplasm or the nucleus
D)Fat soluble hormones do not have receptors.
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
40
What type of disorder is AIDS?

A)Autoimmune disease
B)Allergic reaction
C)Immune rejection
D)Immunodeficiency
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
41
Why can you not catch the same cold twice but a new cold will make you sick for a week or two?
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
42
Describe the two separate metabolic needs that are met when a full-grown person eats a balanced diet.
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
43
Which receptors in the eye are sensitive to color?

A)Sclera
B)Rods
C)Cornea
D)Cones
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
44
Which part of the brain produces our most distinctly human traits,such as reasoning and imagination?

A)Cerebellum
B)Medulla oblongata
C)Corpus callosum
D)Cerebral cortex
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
45
Genital herpes is a sexually transmitted disease caused by a ________.

A)virus
B)bacteria
C)fungus
D)protist
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
46
Describe the role of the two antagonistic hormones involved in the feedback loop that maintains the level of glucose in the blood.Which organs are involved and what type of feedback is this?
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
47
What carries a signal from one neuron to the next?

A)Neurotransmitter
B)Myelin
C)Synapse
D)Dendrite
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
48
Which is not a major protein found in muscles?

A)Actin
B)Myosin
C)Keratin
D)All are major proteins found in muscles.
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
49
Of the four chambers of the human heart,which has the thickest walls and why?
Unlock Deck
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Unlock Deck
k this deck
50
When is an unborn child called a fetus?

A)From the 9th week of pregnancy to birth
B)From cleavage to the 9th week of pregnancy
C)From conception through birth
D)From cleavage to birth
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
51
How do the muscles in your arm extend your arm outward?

A)The muscles in your arm push on the bones causing your arm to extend.
B)The muscles in your arm relax and the tendons pull the arm straight.
C)Some muscles in your arm relax and others contract,pulling the arm straight.
D)The top half of your bicep wraps around underneath the elbow like a rope over a pulley.When it contracts,the arm is pulled out straight.
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
52
What is the key step in spermatogenesis that allows for unlimited sperm production? This step is not present in oogenesis and therefore only a finite number of eggs could be produced.
Unlock Deck
Unlock for access to all 61 flashcards in this deck.
Unlock Deck
k this deck
53
Where does the fertilization of the egg occur?

A)Ovary
B)Oviduct
C)Uterus
D)Cervix
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54
The spinal cord is part of the ________ nervous system.

A)somatic
B)peripheral
C)autonomic
D)central
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55
Which of the following statements about bones is false?

A)Bones are dry and dead,made up of calcium and connective fibers with a few blood vessels running through them.
B)Bones are living organs with multiple tissue types and multiple cell types.
C)Blood cells are produced in the bone marrow.
D)Arthritis occurs when the cartilage between bones wears down.
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56
What would happen if the sensory neurons in your hand could not transmit a signal?

A)You could feel something touch your fingers but you could not move them.
B)You could move your fingers but you could not feel something touch them.
C)You could not move your fingers or feel something touching them.
D)You could still feel something touching your fingers and still be able to move them.
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57
Your thigh bone,the largest bone in your body,is called the ________.

A)tibia
B)femur
C)fibula
D)pelvis
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58
Which of the following forms of contraception is removable?

A)A tubal ligation
B)A vasectomy
C)An intrauterine device
D)None of these
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59
The release of an egg from an ovary is called ________.

A)oogenesis
B)gametogenesis
C)ovulation
D)menstruation
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60
Sound is "heard" when sound waves cause structures inside your ears to physically vibrate.A signal is then sent to your brain where it is interpreted as sound.What type of receptors in the ear are responsible for the sense of hearing?

A)Chemoreceptors
B)Electromagnetic receptors
C)Mechanoreceptors
D)Thermoreceptors
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61
Describe what would happen if all of your skeletal muscles contracted at the same time.
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