Deck 36: Circulation

Question 1

Figure 36.6


-The anatomical structure identified with the letter "R" in the figure above is the ____.  

A) pericardium
B) cardiac muscle
C) inferior vena cava
D) right atrium
E) heart apex

Answer 1

cardiac muscle

Question 2

All vertebrates except ____ have a two-circuit circulatory system.  

A) fish
B) mammals
C) birds
D) amphibians
E) reptiles

Answer 2

A

Question 3

In the human pulmonary circuit,blood passes through which of the following?  

A) Liver
B) Limbs
C) Lungs
D) Digestive organs
E) Brain

Answer 3

C

Question 4

Which hormone,made by the kidney,is necessary for red blood cell production by bone marrow?  

A) Erythropoietin
B) Hemoglobin
C) Insulin
D) Erythrocytes
E) Leucocytes

Question 5

Figure 36.2A


-Circulation in the above diagram functions primarily as a(n)____.
 

A) closed circulatory system
B) open circulatory system
C) semi-closed circulatory system
D) system of exchange using capillaries
E) continuous system of vessels

Question 6

Which is the first and largest blood vessel that carries oxygenated blood to the systemic circuit?  

A) Aorta
B) Superior vena cava
C) Coronary arteries
D) Pulmonary artery
E) Carotid artery

Question 7

Figure 36.3


-A fish circulatory system is indicated by the letter (s)____.  

A) A only
B) B only
C) C only
D) both A and B
E) both B and C

Question 8

In an open circulatory system,the fluid pumped is called ____.  

A) hemoglobin
B) lymphatic fluid
C) hemolymph
D) blood
E) capillary fluid

Question 9

Hemostasis involves which blood component?  

A) basophils
B) platelets
C) phagocytes
D) monocytes
E) neutrophils

Question 10

Figure 36.6


-The anatomical structure identified with the letter "H" in the accompanying figure is the ____.  

A) myocardium
B) pulmonary veins
C) inferior vena cava
D) right atrium
E) heart apex

Question 11

A heart with three chambers,one atrium,and two ventricles is shared by _____.  

A) reptiles and mammals
B) reptiles and amphibians
C) amphibians and mammals
D) birds and mammals
E) birds and reptiles

Question 12

Red blood cells are also known as ____.  

A) erythrocytes
B) neutrophils
C) lymphocytes
D) eosinophils
E) macrophages

Question 13

Most of the oxygen in the blood is transported by ____.  

A) erythropoietin
B) prothrombin
C) platelets
D) hemoglobin
E) leukocytes

Question 14

Figure 36.6B


-Oxygen-poor blood circulates through the component(s)labeled as ____.  

A) A
B) B
C) C
D) D
E) A, C, and E

Question 15

Which vein carries blood that has passed through the small intestine to the liver?
 

A) Jugular vein
B) Pulmonary vein
C) Hepatic portal vein
D) Renal vein
E) Femoral vein

Question 16

Figure 36.6


-The anatomical structure identified with the letter "D" in the accompanying figure is the ____.  

A) myocardium
B) pulmonary veins
C) inferior vena cava
D) right atrium
E) heart apex

Question 17

Figure 36.3


-A circulatory system that does not allow mixing of oxygenated and oxygen-poor blood is indicated by the letter(s)____.  

A) A only
B) B only
C) C only
D) A and B only
E) B and C only

Question 18

____ are phagocytes that engulf bacteria and cellular debris.  

A) Eosinophils
B) Leucocytes
C) Monocytes
D) Platelets
E) Neutrophils

Question 19

In the human heart,____.  

A) ventricle walls are more thickly muscled than the atrial wall.
B) atrial contraction helps to drive blood circulation throughout the body.
C) the right ventricle has thicker walls than the left ventricle.
D) the left ventricle pumps blood to the lungs.
E) the atrial walls are as thick as the ventricle walls.

Question 20

Figure 36.2B


-Circulation in the accompanying diagram functions primarily as a(n)____.
 

A) an open circulatory system
B) system consisting of mostly of tissue spaces
C) closed circulatory system
D) interstitial fluid system
E) three-directional system

Question 21

Blood is moved efficiently through the veins and back to the heart by ____.  

A) one-way valves to prevent backflow
B) smooth muscle contraction
C) skeletal muscle contraction
D) a and b only
E) a, b, and c

Question 22

Blood pressure is highest in the _____.  

A) arterioles
B) capillaries
C) arteries
D) venules
E) veins

Question 23

Which arteries deliver blood to the neck,head,and brain?  

A) Renal arteries
B) Brachial arteries
C) Coronary arteries
D) Carotid arteries
E) Pulmonary arteries

Question 24

________ can be caused by stimulants such as caffeine.  

A) tachycardia
B) hypertension
C) bradycardia
D) atrial fibrillation
E) hypertension

Question 25

Blood usually continues on from arterioles to ____ in its travel through the human body.  

A) other arterioles
B) venules
C) arteries
D) veins
E) capillaries

Question 26

Figure 36.18



-The structure identified with the letters "B" in the figure above is a(n)____.  

A) arterial wall
B) blood clot
C) venous wall
D) capillary wall
E) connective tissue

Question 27

One important function of the lymphatic system is to _____.  

A) move bile from the gall bladder to the small intestine
B) drain plasma proteins and deliver them to the kidney to be excreted
C) deliver fats absorbed from food in the small intestine to the blood
D) produce red blood cells
E) produce white blood cells

Question 28

Respond to the following statements in reference to the five components of vertebrate blood listed below.
a.erythrocytes
b.erythropoietin
c.neutrophils
d.Albumin
This blood component contains hemoglobin.

Question 29

Respond to the following statements in reference to the five components of vertebrate blood listed below.
a.erythrocytes
b.erythropoietin
c.neutrophils
d.Albumin
This blood component engulfs bacteria and cellular debris.

Question 30

Figure 36.17

The anatomical structure shown in the accompanying figure is of ____.  

A) venous valves
B) pulmonary veins
C) the inferior valve
D) the right myocardial sac
E) the heart apex

Question 31

A typical systolic pressure for a normal adult is ____.  

A) 60 mm Hg
B) 80 mm Hg
C) 100 mm Hg
D) 120 mm Hg
E) 140 mm Hg

Question 32

Figure 36.6B


-The structure between "C" and "E" is the ____.  

A) right AV valve
B) pulmonary vein
C) left AV valve
D) pulmonary valve
E) aortic valve

Question 33

Which of these statements about hypertension is true?  

A) Blood pressure is less than 120/80.
B) Poor diet and lack of regular exercise puts one at increased risk.
C) Sickle-cell anemia often accompanies this condition.
D) Most Americans with the condition seek treatment.
E) Atherosclerosis is another name for this condition.

Question 34

Figure 36.18



-The anatomical structure identified with the letter "C" in the accompanying figure illustrates ____.  

A) sickle-cell anemia
B) leukemia
C) atherosclerotic plaque
D) bone cancer
E) polycythemia

Question 35

Small molecules can move between capillaries and interstitial fluid by _____  

A) passive transport
B) active transport
C) endocytosis
D) diffusion
E) exocytosis

Question 36

Reduced quantity of red blood cells results in ____.  

A) ventricular fibrillation
B) hypertension
C) leukemia
D) anemia
E) a stroke

Question 37

_____ is known as a cardiac pacemaker.  

A) Diastole
B) Systole
C) Cardiac muscle
D) SA node
E) AV node

Question 38

At rest,veins hold about ____ percent of the body's blood.  

A) 40
B) 50
C) 60
D) 70
E) 80

Question 39

A _____ delivers recovered water and solutes from the interstitial fluid to veins near the heart.  

A) lymphatic duct
B) spleen
C) tonsils
D) thoracic duct
E) lymphocyte duct

Question 40

Blood pumped through the systemic circuit is distributed to lower body regions such as the digestive system by________.  

A) arterioles
B) carotid arteries
C) pulmonary arteries
D) pulmonary veins
E) the superior vena cava

Question 41

The __________ circuit carries blood from the heart to body tissues,and then returns it to the heart.

Question 42

Which type of blood pressure occurs with the contraction of ventricles?  

A) Systolic pressure
B) Diastolic pressure
C) Vasoconstriction pressure
D) Vasodilation pressure
E) Circulatory pressure

Question 43

Respond to the following statements in reference to the five components of vertebrate blood listed below.
a.erythrocytes
b.erythropoietin
c.neutrophils
d.Albumin
Oxygen is transported throughout the body by this blood component.

Question 44

Respond to the following statements in reference to the five components of vertebrate blood listed below.
a.erythrocytes
b.erythropoietin
c.neutrophils
d.Albumin
This blood component helps to transport steroid hormones.

Question 45

Deoxygenated blood exits the heart from this structure.

A)right atrium
B)left atrium
C)left ventricle
D)right ventricle

Question 46

Animals that have no circulatory system,such as flatworms,rely on _______to deliver nutrients and gases to their tissues.  

A) diffusion
B) osmosis
C) hemolymph
D) the lymphatic system
E) the coelom

Question 47

Oxygenated blood enters the heart via this structure.

A)right atrium
B)left atrium
C)left ventricle
D)right ventricle

Question 48

Blood is pumped to the majority of the body by this structure.

A)right atrium
B)left atrium
C)left ventricle
D)right ventricle

Question 49

The _____________ receives blood from the atrium and pumps it out of the heart.

Question 50

Blood passes to the lungs from this structure.

A)right atrium
B)left atrium
C)left ventricle
D)right ventricle

Question 51

After an action potential crosses the ________ node,it travels along conducting fibers in the heart's septum and up the ventricles,ejecting blood into the aorta and pulmonary arteries.

Question 52

Blood flow slows in capillaries due to their ________.  

A) valves
B) small diameters
C) large collective cross-sectional area
D) small collective cross-sectional area
E) short lengths

Question 53

The __________ gland produces hormones and is the site where __________ (a kind of white blood cell) mature.

Question 54

Blood from the superior and inferior vena cava enters the heart via this structure.

A)right atrium
B)left atrium
C)left ventricle
D)right ventricle

Question 55

High blood pressure/hypertension is defined as consistently measuring over __________________.

Question 56

Which cellular component of blood acts in blood clotting?  

A) White blood cells
B) Red blood cells
C) Platelets
D) Plasma cells
E) Hemostatic cells

Question 57

__________ is mostly water in which diverse proteins,clotting factors,and other molecules are dissolved.

Question 58

Respond to the following statements in reference to the five components of vertebrate blood listed below.
a.erythrocytes
b.erythropoietin
c.neutrophils
d.Albumin
This stimulates red blood cell production by bone marrow.