Question 1

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

Accepted Answer

A)  common iliac vein. 
B)  inferior vena cava. 
C)  azygous vein. 
D)  descending aorta. 
E)  celiac trunk.

Question 2

The distribution of arteries and veins on the left and right sides of the body is usually identical. One notable exception is the ________ vein.

Accepted Answer

A)  adrenal 
B)  renal 
C)  vertebral 
D)  azygous 
E)  jugular

Question 3

Shock is an acute circulatory crisis marked by

Accepted Answer

A)  low blood pressure and increased blood volume. 
B)  hypotension and increased tissue perfusion. 
C)  high blood pressure and inadequate peripheral blood flow. 
D)  high blood pressure and decreased tissue perfusion. 
E)  hypotension and inadequate peripheral blood flow.

Question 4

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 spaces

Question 5

Blood leaving the capillaries supplied by the celiac, superior mesenteric, and inferior mesenteric arteries flows to the liver through the

Accepted Answer

A)  inferior vena cava. 
B)  dural sinuses. 
C)  hepatic portal system. 
D)  dual venous drainage. 
E)  dorsal venous arch.

Question 6

________ refers to the factors that oppose blood flow in the entire cardiovascular system.

Accepted Answer

A)  Turbulence 
B)  Vascular resistance 
C)  Total peripheral resistance 
D)  Viscosity 
E)  Elastic rebound

Question 7

After crossing the axilla, the axillary artery becomes the

Accepted Answer

A)  radial artery. 
B)  ulnar artery. 
C)  brachial artery. 
D)  subclavian artery. 
E)  digital artery.

Question 8

If venous pressures in the venules range from 17-21 mm Hg and pressures in the venae cavae range from 2-4 mm Hg, what is the pressure range of the driving force pushing blood through the venous system?

Accepted Answer

A)  2-4 mm Hg 
B)  13-19 mm Hg 
C)  15-17 mm Hg 
D)  19-25 mm Hg 
E)  21-23 mm Hg

Question 9

As exercise begins, ________ occur(s) as the rate of oxygen consumption in skeletal muscles increases.

Accepted Answer

A)  extensive changes in the pattern of blood distribution 
B)  vasomotor activation 
C)  decreased cardiac output 
D)  decreased venous return 
E)  extensive vasodilation

Question 10

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

Accepted Answer

A)  alveolus 
B)  alveolar capillary 
C)  alveolar vein 
D)  alveolar artery 
E)  alveolar venule

Question 11

When blood pressure rises, increased output from the baroreceptors stimulates which center?

Accepted Answer

A)  cardioacceleratory 
B)  vasomotor 
C)  respiratory 
D)  cardioinhibitory 
E)  pulmonary

Question 12

Which of the following changes will result in increased blood flow at an injury site during inflammation?

Accepted Answer

A)  increased blood volume 
B)  increased vessel diameter 
C)  increased blood pressure 
D)  decreased peripheral resistance 
E)  relaxation of precapillary sphincters

Question 13

The tendency for water and small solutes to move out of the blood is greatest at the

Accepted Answer

A)  venous end of capillaries. 
B)  transition between muscular arteries and arterioles. 
C)  transition between elastic and muscular arteries. 
D)  arteriole end of capillaries. 
E)  transition between venules and medium-sized veins.

Question 14

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

Accepted Answer

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

Question 15

In general, for a vessel of a given size, a typical artery ________ compared to a typical vein.

Accepted Answer

A)  is more elastic 
B)  has less smooth muscle in its tunica media 
C)  has no endothelium 
D)  has thinner walls 
E)  has a larger lumen

Question 16

The protruding bellies associated with malnourished children are due to edema in the abdominal cavity, which is particularly distensible. Explain the connection between malnourishment and such an edema.

Accepted Answer

The answer of The protruding bellies associated with malnourished children...

Question 17

When blood flow in a capillary bed decreases in response to locally high oxygen levels, it is caused by

Accepted Answer

A)  intercellular chemicals. 
B)  angiotensin. 
C)  autoregulation. 
D)  neural processes. 
E)  endocrine processes.

Question 18

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 communicating

Question 19

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.

Question 20

Supply the name of the missing vein from this sequence: superior mesenteric and splenic veins, ________, inferior vena cava.

Accepted Answer

A)  phrenic vein 
B)  hepatic portal vein 
C)  adrenal vein 
D)  renal vein 
E)  azygos vein

Exam 13: The Cardiovascular System: Blood Vessels and Circulation

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