Question 1

Smooth muscle in the arteriole walls can vasoconstrict or vasodilate, which:

Accepted Answer

A)  helps to regulate blood pressure. 
B)  helps to accelerate the flow of blood through the vessels. 
C)  prevents the back flow of blood into the tissues. 
D)  squeezes oxygen out of the blood. 
E)  adds strength to the blood vessels. 
A)  helps to regulate blood pressure. 
B)  helps to accelerate the flow of blood through the vessels. 
C)  prevents the back flow of blood into the tissues. 
D)  squeezes oxygen out of the blood. 
E)  adds strength to the blood vessels.

Question 2

MATCHING
Match the blood vessel with its description.
a.aorta
d.pulmonary artery
b.capillary
e.pulmonary vein
c.inferior vena cava
f.superior vena cava
-Transports blood away from the lungs back to the heart

Accepted Answer

The answer of MATCHING
Match the blood vessel with its description.
a.aorta
d.pulmonary...

Question 3

The pacemaker is located in the atrioventricular node.
____________________

Accepted Answer

A) True 
 B)False

Question 4

Cardiac output is determined by:

Accepted Answer

A)  blood volume. 
B)  venous return. 
C)  blood pressure. 
D)  stroke volume only. 
E)  stroke volume and heart rate. 
A)  blood volume. 
B)  venous return. 
C)  blood pressure. 
D)  stroke volume only. 
E)  stroke volume and heart rate.

Question 5

What is the correct order for the following events that follow a nerve impulse along a sympathetic neuron, and which innervates the heart? 1)
G protein activates adenylyl cyclase
2)
Neuron releases norepinephrine
3)
Cyclic AMP activates protein kinase
4)
Receptor activates G protein
5)
Protein kinase phosphorylates Ca2+ channels
6)
Receptors activated on the membrane of the cardiac muscle

Accepted Answer

A)  1, 3, 4, 5, 2, 6 
B)  5, 3, 4, 1, 2, 6 
C)  6, 2, 4, 1, 3, 5 
D)  2, 6, 4, 1, 3, 5 
E)  2, 3, 4, 1, 6, 5 
A)  1, 3, 4, 5, 2, 6 
B)  5, 3, 4, 1, 2, 6 
C)  6, 2, 4, 1, 3, 5 
D)  2, 6, 4, 1, 3, 5 
E)  2, 3, 4, 1, 6, 5

Question 6

MATCHING
Match the blood vessel with its description.
a.aorta
d.pulmonary artery
b.capillary
e.pulmonary vein
c.inferior vena cava
f.superior vena cava
-Trace the flow of blood entirely through both the pulmonary and systemic circulations.Start and end with the right atrium.Be sure to list all structures through which the blood will pass, including all valves and major blood vessels entering and exiting the heart.

Accepted Answer

Concepts to Consider: Right atrium; tric

Question 7

Lymphatic tissues include all of the following except:

Accepted Answer

A)  tonsils. 
B)  lymph nodes. 
C)  parotid gland. 
D)  spleen. 
E)  thymus. 
A)  tonsils. 
B)  lymph nodes. 
C)  parotid gland. 
D)  spleen. 
E)  thymus.

Question 8

Figure 44-3
Use the figure to answer the corresponding question(s).   (Posterior View)
-Refer to Figure 44-3.The structure labeled 7 is called the:

Accepted Answer

A)  superior vena cava. 
B)  aorta. 
C)  pulmonary veins. 
D)  right atrium. 
E)  right ventricle. 
A)  superior vena cava. 
B)  aorta. 
C)  pulmonary veins. 
D)  right atrium. 
E)  right ventricle.

Question 9

Due to recent changes in blood pressure guidelines, a reading of 120/80 is now considered to be:

Accepted Answer

A)  a low normal reading. 
B)  a high normal reading. 
C)  prehypertensive. 
D)  hypotensive (too low). 
E)  very hypertensive (too high). 
A)  a low normal reading. 
B)  a high normal reading. 
C)  prehypertensive. 
D)  hypotensive (too low). 
E)  very hypertensive (too high).

Question 10

MATCHING
Match the blood vessel with its description.
a.aorta
d.pulmonary artery
b.capillary
e.pulmonary vein
c.inferior vena cava
f.superior vena cava
-Transports blood that contains the highest concentration of oxygen

Accepted Answer

The answer of MATCHING
Match the blood vessel with its description.
a.aorta
d.pulmonary...

Question 11

Figure 44-4
Use the figure to answer the corresponding question(s).  
-Which arrows in Figure 44-4 represent fluid flow resulting from osmotic pressure?

Accepted Answer

A)  1, 2, 4 
B)  1, 2, 5 
C)  2, 3, 4 
D)  2, 3, 5 
E)  3, 4, 6 
A)  1, 2, 4 
B)  1, 2, 5 
C)  2, 3, 4 
D)  2, 3, 5 
E)  3, 4, 6

Question 12

MATCHING
Match the blood vessel with its description.
a.aorta
d.pulmonary artery
b.capillary
e.pulmonary vein
c.inferior vena cava
f.superior vena cava
-Transports blood out of the left ventricle

Accepted Answer

The answer of MATCHING
Match the blood vessel with its description.
a.aorta
d.pulmonary...

Question 13

A closed circulatory system usually consists of all of the following except:

Accepted Answer

A)  blood. 
B)  pumping organ. 
C)  arteries 
D)  veins. 
E)  hemocoel. 
A)  blood. 
B)  pumping organ. 
C)  arteries 
D)  veins. 
E)  hemocoel.

Question 14

Blood is routed through the capillary beds through the action of __________ at the metarterioles.

Accepted Answer

A)  epithelium 
B)  precapillary sphincters 
C)  cartilage 
D)  fibrous connective tissue 
E)  skeletal muscle 
A)  epithelium 
B)  precapillary sphincters 
C)  cartilage 
D)  fibrous connective tissue 
E)  skeletal muscle

Question 15

Blood flows from the left ventricle into the pulmonary artery.
____________________

Accepted Answer

A) True 
 B)False

Question 16

Figure 44-4
Use the figure to answer the corresponding question(s).  
-Refer to Figure 44-4.A significant decrease in the protein level of the blood will result in interstitial edema because the fluid movement along which arrow is decreased?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  5 
E)  6 
A)  1 
B)  2 
C)  4 
D)  5 
E)  6

Question 17

Figure 44-3
Use the figure to answer the corresponding question(s).   (Posterior View)
-Refer to Figure 44-3.The function of the structure labeled 14 is:

Accepted Answer

A)  to stimulate the ventricles to contract. 
B)  to pump blood to the lungs. 
C)  to pump blood into the systemic circulation. 
D)  to receive blood from the systemic circulation. 
E)  to receive blood from the pulmonary circulation. 
A)  to stimulate the ventricles to contract. 
B)  to pump blood to the lungs. 
C)  to pump blood into the systemic circulation. 
D)  to receive blood from the systemic circulation. 
E)  to receive blood from the pulmonary circulation.

Question 18

Figure 44-3
Use the figure to answer the corresponding question(s).   (Posterior View)
-The __________ valve guards the opening between the right atrium and the right ventricle.

Accepted Answer

A)  tricuspid 
B)  bicuspid 
C)  semilunar 
D)  atrial 
E)  mitral 
A)  tricuspid 
B)  bicuspid 
C)  semilunar 
D)  atrial 
E)  mitral

Question 19

Arrange the following in the correct sequence for blood flow in humans. 1)
Right atrium
2)
Bicuspid valve
3)
Pulmonary arteries
4)
Aorta
5)
Lungs
6)
Left ventricle

Accepted Answer

A)  1, 2, 3, 5, 6, 4 
B)  1, 2, 6, 3, 5, 4 
C)  1, 3, 5, 2, 6, 4 
D)  2, 6, 3, 5, 4, 1 
E)  2, 6, 5, 3, 4, 1 
A)  1, 2, 3, 5, 6, 4 
B)  1, 2, 6, 3, 5, 4 
C)  1, 3, 5, 2, 6, 4 
D)  2, 6, 3, 5, 4, 1 
E)  2, 6, 5, 3, 4, 1

Question 20

All of the requirements for diffusion are met when:

Accepted Answer

A)  the surface of the organism is thin. 
B)  the surface to volume ratio is large. 
C)  the surface is moist. 
D)  the surface is thin and moist. 
E)  the surface is thin and moist, and the surface to volume ratio is large. 
A)  the surface of the organism is thin. 
B)  the surface to volume ratio is large. 
C)  the surface is moist. 
D)  the surface is thin and moist. 
E)  the surface is thin and moist, and the surface to volume ratio is large.

Exam 44: Internal Transport

Smooth muscle in the arteriole walls can vasoconstrict or vasodilate, which:

MATCHING Match the blood vessel with its description. a.aorta d.pulmonary artery b.capillary e.pulmonary vein c.inferior vena cava f.superior vena cava -Transports blood away from the lungs back to the heart

The pacemaker is located in the atrioventricular node. ____________________

Cardiac output is determined by:

Lymphatic tissues include all of the following except:

Figure 44-3 Use the figure to answer the corresponding question(s). (Posterior View) -Refer to Figure 44-3.The structure labeled 7 is called the:

Due to recent changes in blood pressure guidelines, a reading of 120/80 is now considered to be:

MATCHING Match the blood vessel with its description. a.aorta d.pulmonary artery b.capillary e.pulmonary vein c.inferior vena cava f.superior vena cava -Transports blood that contains the highest concentration of oxygen

Figure 44-4 Use the figure to answer the corresponding question(s). -Which arrows in Figure 44-4 represent fluid flow resulting from osmotic pressure?

MATCHING Match the blood vessel with its description. a.aorta d.pulmonary artery b.capillary e.pulmonary vein c.inferior vena cava f.superior vena cava -Transports blood out of the left ventricle

A closed circulatory system usually consists of all of the following except:

Blood is routed through the capillary beds through the action of __________ at the metarterioles.

Blood flows from the left ventricle into the pulmonary artery. ____________________

Figure 44-4 Use the figure to answer the corresponding question(s). -Refer to Figure 44-4.A significant decrease in the protein level of the blood will result in interstitial edema because the fluid movement along which arrow is decreased?

Figure 44-3 Use the figure to answer the corresponding question(s). (Posterior View) -Refer to Figure 44-3.The function of the structure labeled 14 is:

Figure 44-3 Use the figure to answer the corresponding question(s). (Posterior View) -The __________ valve guards the opening between the right atrium and the right ventricle.

Arrange the following in the correct sequence for blood flow in humans. 1) Right atrium 2) Bicuspid valve 3) Pulmonary arteries 4) Aorta 5) Lungs 6) Left ventricle

All of the requirements for diffusion are met when:

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