Question 1

What is taken up by the capillaries at their venous end?

Accepted Answer

A)  Waste products
B)  Oxygen
C)  Glucose
D)  Amino acids
E)  Organic nutrientsF) None of the above
G) All of the above

Question 2

Which of the following routes of blood flow is correct?

Accepted Answer

A)  Heart  →\rarr→  venule  →\rarr→ medium vein  →\rarr→  large vein →\rarr→  capillary v conducting artery  →\rarr→  distributing artery  →\rarr→  arteriole  →\rarr→  heart
B)  Heart  →\rarr→  large vein  →\rarr→  medium vein  →\rarr→  venule →\rarr→  capillary  →\rarr→  arteriole  →\rarr→  distributing artery  →\rarr→ conducting artery  →\rarr→  heart
C)  Heart  →\rarr→  distributing artery  →\rarr→  conducting artery  →\rarr→  arteriole  →\rarr→  capillary  →\rarr→  venule  →\rarr→  large vein  →\rarr→  medium vein  →\rarr→  heart
D)  Heart  →\rarr→  conducting artery  →\rarr→  distributing artery  →\rarr→  arteriole  →\rarr→  capillary  →\rarr→  venule  →\rarr→  medium vein  →\rarr→  large vein  →\rarr→  heart E) B) and D)
F) A) and B)

Question 3

Pulmonary arteries have __________ blood pressure compared to systemic arteries.

Accepted Answer

A)  similar
B)  a little lower
C)  considerably lower
D)  considerably higher
E)  a little higherF) None of the above
G) A) and B)

Question 4

Which of the following has the most important effect on blood velocity?

Accepted Answer

A)  Blood viscosity
B)  Vessel radius
C)  Blood osmolarity
D)  Hematocrit
E)  Vessel lengthF) B) and D)
G) A) and E)

Question 5

The lungs receive a systemic blood supply by way of which vessel(s) ?

Accepted Answer

A)  Right pulmonary artery
B)  Left pulmonary artery
C)  Pulmonary veins
D)  Bronchial arteries
E)  Lobar arteriesF) C) and D)
G) None of the above

Question 6

Which of the following does not lead to edema?

Accepted Answer

A)  Obstruction of lymphatic vessels
B)  Liver disease
C)  Famine
D)  Hyperproteinemia
E)  HypertensionF) A) and E)
G) A) and B)

Question 7

Hypertension is commonly considered to be a chronic resting blood pressure higher than __________.

Accepted Answer

A)  180/90
B)  130/60
C)  120/75
D)  140/90
E)  200/90F) D) and E)
G) C) and E)

Question 8

What are the major branches of the abdominal aorta from superior to inferior?

Accepted Answer

A)  Celiac trunk, superior mesenteric artery, renal arteries, gonadal arteries, inferior mesenteric artery, and common iliac arteries
B)  Celiac trunk, superior mesenteric artery, gonadal arteries, renal arteries, inferior mesenteric artery, and common iliac arteries
C)  Superior mesenteric artery, celiac trunk, renal arteries, gonadal arteries, inferior mesenteric artery, and common iliac arteries
D)  Superior mesenteric artery, celiac trunk, gonadal arteries, renal arteries, inferior mesenteric artery, and common iliac arteries
E)  Superior mesenteric artery, inferior mesenteric artery, celiac trunk, gonadal arteries, renal arteries, and common iliac arteriesF) A) and C)
G) A) and E)

Question 9

How many pulmonary arteries empty into the right atrium of the heart?

Accepted Answer

A)  0
B)  1
C)  2
D)  4
E)  8F) A) and E)
G) C) and D)

Question 10

Which of the following is associated with vasoreflexes?

Accepted Answer

A)  Collagen and elastic tissue in the tunica media
B)  Elastic tissue in the tunica externa
C)  Endothelium in the tunica interna
D)  Smooth muscle in the tunica media
E)  Fenestrations in the tunica externaF) B) and E)
G) A) and B)

Question 11

Arteries are sometimes called the __________ vessels of the cardiovascular system because they have strong-resilient tissue structure.

Accepted Answer

A)  resistance
B)  capacitance
C)  hydrodynamic
D)  compliance
E)  fenestratedF) A) and D)
G) A) and C)

Question 12

Blood flow to the __________ remains quite stable even when mean arterial pressure (MAP) fluctuates from 60 to 140 mm Hg.

Accepted Answer

A)  hypothalamus
B)  adrenal gland
C)  stomach
D)  skeletal muscles
E)  kidneysF) C) and E)
G) C) and D)

Question 13

What does the medullary ischemic reflex result in?

Accepted Answer

A)  Increased circulation to the brain
B)  Reduced circulation to the brain
C)  Ischemia of the medulla oblongata
D)  Increased circulation to the adrenal medulla
E)  Hormone secretion by the adrenal medulla when perfusion dropsF) A) and E)
G) B) and E)

Question 14

A mean arterial pressure below 60 mmHg can cause which of the following?

Accepted Answer

A)  Neurogenic shock
B)  Cardiogenic shock
C)  Compensated shock
D)  Cerebral edema
E)  SyncopeF) D) and E)
G) B) and D)

Question 15

Which of the following would decrease the velocity of blood flow?

Accepted Answer

A)  Increased viscosity
B)  Increased blood pressure
C)  Increased vessel radius
D)  Increased afterload
E)  Decreased vasomotionF) A) and D)
G) C) and D)

Question 16

Which of the following statements about TIAs and CVAs is true?

Accepted Answer

A)  TIAs are often early warning signs of an impending stroke.
B)  TIAs are the result of brain tissue death caused by ischemia.
C)  A CVA usually results from spasms of diseased cerebral arteries.
D)  TIAs often result in blindness and paralysis.E) B) and C)
F) A) and B)

Question 17

Where is the greatest volume of blood found in the body?

Accepted Answer

A)  Pulmonary circuit
B)  Heart
C)  Arteries
D)  Veins
E)  CapillariesF) B) and E)
G) B) and C)

Question 18

Decompensated shock is normally corrected by the body's homeostatic mechanisms.

Accepted Answer

A) True 
 B)False

Question 19

What might account for a soldier experiencing syncope after standing at attention for a long period of time?

Accepted Answer

A)  Increased respiratory rate
B)  Vasoconstriction
C)  Increased heart rate
D)  Venous poolingE) B) and D)
F) None of the above

Question 20

Lung tissue receives nourishment and waste removal from the pulmonary circuit.

Accepted Answer

A) True 
 B)False

Exam 20: The Circulatory System: Blood Vessels and Circulation

Which of the following statements about TIAs and CVAs is true?

Correct AnswerverifiedShow Answer

Which of the following has the most important effect on blood velocity?

Correct AnswerverifiedShow Answer

Where is the greatest volume of blood found in the body?

Correct AnswerverifiedShow Answer

What are the major branches of the abdominal aorta from superior to inferior?

Correct AnswerverifiedShow Answer

What does the medullary ischemic reflex result in?

Correct AnswerverifiedShow Answer

Pulmonary arteries have __________ blood pressure compared to systemic arteries.

Correct AnswerverifiedShow Answer

Which of the following routes of blood flow is correct?

Correct AnswerverifiedShow Answer

A mean arterial pressure below 60 mmHg can cause which of the following?

Correct AnswerverifiedShow Answer

Hypertension is commonly considered to be a chronic resting blood pressure higher than __________.

Correct AnswerverifiedShow Answer

Which of the following is associated with vasoreflexes?

Correct AnswerverifiedShow Answer

Decompensated shock is normally corrected by the body's homeostatic mechanisms.

Correct AnswerverifiedShow Answer

What is taken up by the capillaries at their venous end?

Correct AnswerverifiedShow Answer

Lung tissue receives nourishment and waste removal from the pulmonary circuit.

Correct AnswerverifiedShow Answer

Which of the following would decrease the velocity of blood flow?

Correct AnswerverifiedShow Answer

Arteries are sometimes called the __________ vessels of the cardiovascular system because they have strong-resilient tissue structure.

Correct AnswerverifiedShow Answer

Blood flow to the __________ remains quite stable even when mean arterial pressure (MAP) fluctuates from 60 to 140 mm Hg.

Correct AnswerverifiedShow Answer

What might account for a soldier experiencing syncope after standing at attention for a long period of time?

Correct AnswerverifiedShow Answer

The lungs receive a systemic blood supply by way of which vessel(s) ?

Correct AnswerverifiedShow Answer

How many pulmonary arteries empty into the right atrium of the heart?

Correct AnswerverifiedShow Answer

Which of the following does not lead to edema?

Correct AnswerverifiedShow Answer

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