Deck 2: Introduction to the Organ Systems

Question 1

The heart is located in the ________ body cavities.

A)ventral, thoracic, and pericardial
B)thoracic, ventral, and pleural
C)dorsal, ventral, and pericardial
D)ventral and thoracic

Answer 1

A

Question 2

Which component of the feedback mechanism produces a response in the human body?

A)Control center
B)Effector
C)Receptor

Answer 2

B

Question 3

Which two organ systems are most directly involved in reproduction?

A)Endocrine and reproductive
B)Skeletal and reproductive
C)Lymphatic and reproductive
D)Integumentary and reproductive

Answer 3

A

Question 4

Which statement is true?

A)The wrist is proximal to the elbow.
B)The thyroid gland is inferior to the pancreas.
C)The lungs are medial to the heart.
D)The ribs are superficial to the lungs.

Question 5

Which two body cavities are found within the dorsal body cavity?

A)Cranial and vertebral
B)Thoracic and abdominal
C)Orbital and synovial
D)Cranial and orbital

Question 6

Body temperature regulation involves which type of feedback mechanism?

A)Negative
B)Positive
C)Neutral
D)Deep

Question 7

Which two organ systems are involved in directly regulating blood pH?

A)Lymphatic and digestive
B)Urinary and respiratory
C)Skeletal and cardiovascular
D)Urinary and digestive

Question 8

Which statement is true?

A)The control center prevents homeostasis from upsetting internal body conditions.
B)Homeostasis is when the body maintains its internal condition within a narrow, stable range.
C)The control center produces the body's responses to alterations in homeostasis.
D)Homeostasis is the fluctuating ratio of temperatures within the body.

Question 9

Which organ belongs to more than one organ system?

A)Pancreas
B)Larynx
C)Stomach
D)Urinary bladder

Question 10

Which organ transports food from the pharynx to the stomach?

A)Small intestine
B)Trachea
C)Esophagus
D)Larynx

Question 11

Which organ system is correctly aligned with its function?

A)Nervous system generates heat
B)Lymphatic system maintains blood homeostasis
C)Integumentary system forms a physical barrier
D)Reproductive system produces blood cells

Question 12

Which organ system focuses on the large scale production of hormones?

A)Endocrine
B)Lymphatic
C)Urinary
D)Digestive

Question 13

The lymphatic system ________.

A)is vital for producing heat
B)produces the body's gametes
C)returns excess interstitial fluid back to the blood stream
D)produces the bulk of the body's hormones

Question 14

Which description best fits the definition of an organ?

A)Two or more tissues working for a common function
B)Two or more cell types working for a common function
C)Basic unit of matter
D)Basic unit of life

Question 15

Which organ system helps the body get rid of nitrogenous wastes?

A)Urinary
B)Respiratory
C)Endocrine
D)Cardiovascular

Question 16

Which organ transports blood to the heart?

A)Pancreas
B)Larynx
C)Aorta
D)Vena cava

Question 17

Which level of organization consists of two or more cell types working for a common function?

A)Atom
B)Cellular
C)Organ
D)Tissue

Question 18

Which statement is true?

A)The thoracic cavity is distal to the abdominopelvic region.
B)The left lumbar region is anterior to the left iliac region.
C)The epigastric region is medial to the right hypochondriac region.
D)The epigastric region is inferior to the hypogastric region.

Question 19

Which two body cavities are found within the ventral body cavity?

A)Thoracic and abdominopelvic
B)Cranial and vertebral
C)Orbital and synovial
D)Mediastinum and vertebral

Question 20

In a negative feedback mechanism, ________.

A)the output increases in response to the stimulus
B)the output opposes or counteracts the stimulus
C)the output multiplies the stimulus
D)the output increases exponentially in response to the stimulus

Question 21

Explain how the heart can be in the thoracic cavity but not the pleural cavity.

A)The pleural cavity is only associated with the lungs.
B)The thoracic cavity contains all organs protected by the ribs, sternum, and thoracic vertebrae.
C)The mediastinum is a double-walled membrane surrounding the heart but not the lungs.
D)The pericardial cavity encloses the heart as well as the lungs.

Question 22

When childbirth labor starts, the presence of the hormone oxytocin causes the contractions to increase in strength, which causes the level of oxytocin to increase, which in turn causes the contractions to further strengthen. This would be an example of a ________ feedback mechanism.

A)positive
B)neutral
C)negative

Question 23

The stomach is ________ to the left kidney.

A)lateral
B)anterior
C)inferior
D)superior

Question 24

The thymus is ________ to the sternum.

A)lateral
B)superficial
C)deep
D)anterior

Question 25

Why does the regulation of body temperature represent a negative feedback loop?

A)An increase in body temperature triggers skeletal muscle contraction
B)An increase in body temperature triggers sweating
C)An increase in body temperature triggers the constriction of blood vessels
D)A decrease in body temperature triggers vasodilation of blood vessels.

Question 26

The brain is located in the ________ body cavities.

A)dorsal and vertebral
B)vertebral and cranial
C)ventral and dorsal
D)dorsal and cranial

Question 27

Which organ is found predominantly in the epigastric region?

A)Stomach
B)Left kidney
C)Rectum
D)Urinary bladder

Question 28

In the regulation of body temperature, which organ systems contain the receptors?

A)Cardiovascular and nervous
B)Nervous and integumentary
C)Skeletal and integumentary
D)Muscular and nervous

Question 29

Explain the role of the skin in negative feedback pathway regulating body temperature homeostasis.

A)Sensory receptors in the dermis detect changes in the environmental temperature and send afferent messages to the thermoregulatory center.
B)Involuntary contractions of the arrector pili muscles increase internal body temperature.
C)Integration of stimulus and response to changing environmental temperatures takes place in the skin.
D)Sensory receptors send information in anticipation of changes in environmental temperature

Question 30

Explain the shared similarity between the following organs (pancreas, testis, kidney, heart).

A)All of these organs secrete hormones.
B)All of these organs are glandular.
C)All of these organs filter or move blood.
D)All of these organs have a hollow interior.

Question 31

Name the feature the digestive system has but the respiratory system and urinary systems don't have.

A)The digestive system has organs in the thoracic cavity as well as organs in the abdominopelvic cavity.
B)Only the digestive system opens to the exterior of the body.
C)Only the digestive system is lined with a serous membrane.
D)Only the digestive system is used to obtain resources from the external environment.

Question 32

In the regulation of body temperature, which component serves as the control center?

A)Skeletal muscle
B)Hypothalamus
C)Sweat gland
D)Spinal cord

Question 33

Explain how the cardiovascular and endocrine systems depend on each other to communicate and control other body functions.

A)Hormones are circulated throughout the body via the cardiovascular system.
B)The endocrine system sends action potentials through the activity of the cardiovascular system.
C)The cardiovascular system controls the release of hormones from endocrine glands.
D)The cardiovascular system supplies blood to all endocrine organs.

Question 34

The esophagus is ________ to the thyroid gland.

A)anterior
B)lateral
C)medial
D)deep

Question 35

During the regulation of body temperature, which organ system stimulates vasoconstriction of blood vessels?

A)Cardiovascular
B)Nervous
C)Muscular
D)Skeletal