Question 1

________ tend to diffuse across the capillary lining, driven by their individual concentration gradients.

Accepted Answer

A)  Plasma proteins
B)  Red blood cells
C)  White blood cells
D)  Platelets
E)  Solute moleculesF) B) and C)
G) A) and E)

Question 2

The difference in pressure from one end of a vessel to the other is called ________, which greatly determines the rate of flow.

Accepted Answer

A)  osmotic pressure
B)  pulse pressure
C)  pressure gradient
D)  pressure point
E)  pulse pointF) B) and C)
G) None of the above

Question 3

Figure 13-1 Cardiovascular Components of the Pulmonary Circuit
Use Figure 13-1 to identify the labeled part.
-Label A represents the

Accepted Answer

A)  pulmonary trunk.
B)  ascending aorta.
C)  right pulmonary arteries.
D)  right pulmonary veins.
E)  superior vena cava.F) B) and E)
G) A) and B)

Question 4

The vessels that permit exchange of materials between the blood and the surrounding interstitial fluid are called

Accepted Answer

A)  capillaries.
B)  arterioles.
C)  arteries.
D)  venules.
E)  veins.F) A) and B)
G) C) and E)

Question 5

Regarding the typical structure of blood vessel walls, those that have only a tunica intima are the

Accepted Answer

A)  arteries.
B)  arterioles.
C)  veins.
D)  venules.
E)  capillaries.F) A) and C)
G) A) and B)

Question 6

The internal iliac artery supplies the

Accepted Answer

A)  lower limb.
B)  smaller arteries of the pelvis.
C)  spinal cord and the abdominal wall.
D)  adrenal glands.
E)  kidneys.F) A) and B)
G) A) and C)

Question 7

Choose the correct description of a typical medium-sized vein.

Accepted Answer

A)  In these vessels, the thin tunica media is surrounded by a thick tunica externa composed of mostly collagen fibers.
B)  Ranging from 2 mm to 9 mm in diameter, its thin tunica media consists of one to two layers of smooth muscle cells.
C)  It has a diameter of approximately 0.4 cm and has more smooth muscle cells and fewer elastic fibers.
D)  It ranges from 2 mm to 9 mm in diameter, and the relatively thick tunica externa has longitudinal bundles of elastic and collagen fibers.
E)  It has a diameter up to 2.5 cm, and its tunica media is dominated by elastic fibers rather than smooth muscle cells.F) C) and E)
G) C) and D)

Question 8

What is the primary function of the vasomotor center of the medulla oblongata?

Accepted Answer

A)  increases cardiac output through sympathetic innervation
B)  reduces cardiac output through parasympathetic innervation
C)  monitors the chemical composition of blood
D)  monitors the degree of stretch in the walls of expandable organs
E)  controls the diameters of arterioles through sympathetic innervationF) B) and D)
G) B) and C)

Question 9

Figure 13-1 Cardiovascular Components of the Pulmonary Circuit
Use Figure 13-1 to identify the labeled part.
-Label J represents the

Accepted Answer

A)  brachiocephalic trunk.
B)  aortic arch.
C)  left pulmonary arteries.
D)  left pulmonary veins.
E)  pulmonary trunk.F) A) and D)
G) A) and C)

Question 10

Figure 13-1 Cardiovascular Components of the Pulmonary Circuit
Use Figure 13-1 to identify the labeled part.
-What does label G represent?

Accepted Answer

A)  alveolus
B)  alveolar capillary
C)  alveolar vein
D)  alveolar artery
E)  alveolar venuleF) A) and B)
G) B) and D)

Question 11

The phrenic arteries

Accepted Answer

A)  continue along the ventral surface of the brain.
B)  deliver blood to the diaphragm.
C)  travel within the mediastinum, supplying tissues of the thoracic cavity.
D)  give rise to arteries that supply tissues of the lungs not involved in gas exchange, the esophagus, pericardium, and other mediastinal structures.
E)  deliver blood to the last portion of the large intestine and rectum.F) B) and D)
G) C) and D)

Question 12

Tom loves to soak in hot tubs and whirlpools. One day at a friend's house, he decides to raise the temperature in the hot tub as high as he could tolerate. After a few minutes in the very warm water, he feels faint, passes out, and nearly drowns. Luckily, his friend saves him. Explain what happened physiologically.

Accepted Answer

In response to the high temperature of t...

Question 13

The term blood pressure refers to the pressure in ________ of the cardiovascular system.

Accepted Answer

A)  the venous component
B)  the capillary vessels
C)  all the vessels
D)  the arterial vessels
E)  the arteriovenous componentF) A) and D)
G) A) and C)

Question 14

Arteries with a thick tunica media are ________ arteries.

Accepted Answer

A)  anastomotic
B)  elastic
C)  conducting
D)  large
E)  muscularF) A) and B)
G) A) and E)

Question 15

After merging with the external and internal jugular veins, the subclavian vein becomes the

Accepted Answer

A)  cephalic vein.
B)  vena cava.
C)  axillary vein.
D)  brachiocephalic vein.
E)  median cubital vein.F) A) and B)
G) C) and E)

Question 16

The ________ divides the aorta into a superior thoracic aorta and an inferior abdominal aorta.

Accepted Answer

A)  pericardium
B)  mediastinum
C)  diaphragm
D)  peritoneum
E)  pleuraF) A) and D)
G) C) and D)

Question 17

Baroreceptors that function in maintaining adequate blood flow to the brain are located in the

Accepted Answer

A)  carotid sinus.
B)  brain stem.
C)  left ventricle.
D)  common iliac artery.
E)  aortic bodies.F) C) and E)
G) A) and B)

Question 18

In the short-term response to hemorrhage, ________ occurs.

Accepted Answer

A)  decreased vasomotor activity
B)  increased parasympathetic stimulation of the heart
C)  increased venous return through venoconstriction
D)  immediate erythropoietin activation
E)  a recall of fluids from the interstitial spacesF) A) and D)
G) All of the above

Question 19

Surgeons often use segments of the ________ as a bypass vessel during coronary bypass surgery.

Accepted Answer

A)  femoral vein
B)  internal iliac vein
C)  posterior tibial vein
D)  popliteal vein
E)  great saphenous veinF) A) and D)
G) A) and C)

Question 20

Blood reaches the brain by two routes: through the ________ and the ________ arteries.

Accepted Answer

A)  internal; external carotid
B)  internal carotid; vertebral
C)  external carotid; vertebral
D)  posterior; anterior cerebral
E)  anterior; posterior communicatingF) C) and E)
G) B) and C)

Exam 13: The Cardiovascular System: Blood Vessels and Circulation

The ________ divides the aorta into a superior thoracic aorta and an inferior abdominal aorta.

Correct Answer
verified

In the short-term response to hemorrhage, ________ occurs.

Correct Answer
verified

The phrenic arteries

Correct Answer
verified

What is the primary function of the vasomotor center of the medulla oblongata?

Correct Answer
verified

Regarding the typical structure of blood vessel walls, those that have only a tunica intima are the

Correct Answer
verified

Surgeons often use segments of the ________ as a bypass vessel during coronary bypass surgery.

Correct Answer
verified

Figure 13-1 Cardiovascular Components of the Pulmonary Circuit Use Figure 13-1 to identify the labeled part. -Label A represents the

Correct Answer
verified

Figure 13-1 Cardiovascular Components of the Pulmonary Circuit Use Figure 13-1 to identify the labeled part. -Label J represents the

Correct Answer
verified

________ tend to diffuse across the capillary lining, driven by their individual concentration gradients.

Correct Answer
verified

Arteries with a thick tunica media are ________ arteries.

Correct Answer
verified

Figure 13-1 Cardiovascular Components of the Pulmonary Circuit Use Figure 13-1 to identify the labeled part. -What does label G represent?

Correct Answer
verified

Choose the correct description of a typical medium-sized vein.

Correct Answer
verified

The term blood pressure refers to the pressure in ________ of the cardiovascular system.

Correct Answer
verified

The internal iliac artery supplies the

Correct Answer
verified

The difference in pressure from one end of a vessel to the other is called ________, which greatly determines the rate of flow.

Correct Answer
verified

Baroreceptors that function in maintaining adequate blood flow to the brain are located in the

Correct Answer
verified

The vessels that permit exchange of materials between the blood and the surrounding interstitial fluid are called

Correct Answer
verified

Blood reaches the brain by two routes: through the and the arteries.

Correct Answer
verified

After merging with the external and internal jugular veins, the subclavian vein becomes the

Correct Answer
verified

Correct Answer
verified
In response to the high temperature of t...
View Answer

Exam 13: The Cardiovascular System: Blood Vessels and Circulation

The ________ divides the aorta into a superior thoracic aorta and an inferior abdominal aorta.

Correct AnswerverifiedShow Answer

In the short-term response to hemorrhage, ________ occurs.

Correct AnswerverifiedShow Answer

The phrenic arteries

Correct AnswerverifiedShow Answer

What is the primary function of the vasomotor center of the medulla oblongata?

Correct AnswerverifiedShow Answer

Regarding the typical structure of blood vessel walls, those that have only a tunica intima are the

Correct AnswerverifiedShow Answer

Surgeons often use segments of the ________ as a bypass vessel during coronary bypass surgery.

Correct AnswerverifiedShow Answer

Figure 13-1 Cardiovascular Components of the Pulmonary Circuit Use Figure 13-1 to identify the labeled part. -Label A represents the

Correct AnswerverifiedShow Answer

Figure 13-1 Cardiovascular Components of the Pulmonary Circuit Use Figure 13-1 to identify the labeled part. -Label J represents the

Correct AnswerverifiedShow Answer

________ tend to diffuse across the capillary lining, driven by their individual concentration gradients.

Correct AnswerverifiedShow Answer

Arteries with a thick tunica media are ________ arteries.

Correct AnswerverifiedShow Answer

Figure 13-1 Cardiovascular Components of the Pulmonary Circuit Use Figure 13-1 to identify the labeled part. -What does label G represent?

Correct AnswerverifiedShow Answer

Choose the correct description of a typical medium-sized vein.

Correct AnswerverifiedShow Answer

The term blood pressure refers to the pressure in ________ of the cardiovascular system.

Correct AnswerverifiedShow Answer

The internal iliac artery supplies the

Correct AnswerverifiedShow Answer

The difference in pressure from one end of a vessel to the other is called ________, which greatly determines the rate of flow.

Correct AnswerverifiedShow Answer

Baroreceptors that function in maintaining adequate blood flow to the brain are located in the

Correct AnswerverifiedShow Answer

The vessels that permit exchange of materials between the blood and the surrounding interstitial fluid are called

Correct AnswerverifiedShow Answer

Blood reaches the brain by two routes: through the ________ and the ________ arteries.

Correct AnswerverifiedShow Answer

After merging with the external and internal jugular veins, the subclavian vein becomes the

Correct AnswerverifiedShow Answer

Correct AnswerverifiedIn response to the high temperature of t...View AnswerShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Blood reaches the brain by two routes: through the and the arteries.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
In response to the high temperature of t...
View Answer