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) A) and D)
G) D) and E)

Question 2

Blood flow through a capillary bed is regulated by precapillary sphincters.

Accepted Answer

A) True 
 B)False

Question 3

What is the most important force driving filtration at the arterial end of a capillary?

Accepted Answer

A)   Oncotic pressure
B)   Tissue fluid colloid osmotic pressure
C)   Blood colloid osmotic pressure
D)   Interstitial hydrostatic pressure
E)   Blood hydrostatic pressureF) A) and E)
G) C) and D)

Question 4

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) B) and C)
G) None of the above

Question 5

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) A) and D)
G) A) and E)

Question 6

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

Accepted Answer

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

Question 7

Which vessels have the thickest tunica media?

Accepted Answer

A)   Small arteries
B)   Small veins
C)   Large arteries
D)   Large veins
E)   CapillariesF) B) and C)
G) C) and D)

Question 8

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) B) and D)
G) All of the above

Question 9

A bee sting can trigger a massive release of histamine,which causes __________ and a(n) __________ in arterial blood pressure.

Accepted Answer

A)   vasodilation;decrease
B)   vasodilation;increase
C)   vasoconstriction;decrease
D)   vasoconstriction;increase
E)   vasoconstriction;oscillationF) None of the above
G) A) and E)

Question 10

Most tissue fluid is reabsorbed by the lymphatic system.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following does not contribute to venous return?

Accepted Answer

A)   The difference of pressure between venules and the venae cavae
B)   The expansion and contraction of the thoracic cavity during ventilation
C)   The suction created by the atria slightly expanding during ventricular systole
D)   Widespread vasodilation
E)   Contraction of skeletal muscles of the limbsF) A) and D)
G) A) and B)

Question 12

What is one possible path of blood from the heart to the left hallux and back to the heart?

Accepted Answer

A)   Aorta → left common iliac artery → left internal iliac artery → left femoral artery → left popliteal artery → left posterior tibial artery → dorsal pedal artery → arcuate arteries → dorsal venous arch → left fibular vein → left popliteal vein → left internal iliac vein → left common iliac vein → inferior vena cava
B)   Aorta → left common iliac artery → left external iliac artery → left femoral artery → left popliteal artery → left anterior tibial artery → dorsal pedal artery → arcuate arteries → dorsal venous arch → left great saphenous vein → left femoral vein → left external iliac vein → left common iliac vein → inferior vena cava
C)   Aorta → left common iliac artery → lleft external iliac artery → left great saphenous artery → left anterior tibial artery → dorsal pedal artery → arcuate arteries → dorsal venous arch → left small saphenous vein → left femoral vein → left internal iliac vein → left common iliac vein → inferior vena cava
D)   Aorta → left common iliac artery → left internal iliac artery → left small saphenous artery → left popliteal artery → left posterior tibial artery → dorsal pedal artery → arcuate arteries → dorsal venous arch → left femoral vein → left internal iliac vein → left common iliac vein → inferior vena cavaE) B) and D)
F) A) and D)

Question 13

What is the longest vein commonly used in grafts in coronary bypass surgery?

Accepted Answer

A)   Inferior vena cava
B)   Femoral vein
C)   Deep femoral vein
D)   Great saphenous vein
E)   Common iliac veinF) B) and E)
G) None of the above

Question 14

The greatest outflow from the dural venous sinuses is via the internal jugular vein.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following would decrease capillary filtration?

Accepted Answer

A)   Increased permeability of lymphatic capillaries
B)   Dehydration
C)   Increased capillary permeability
D)   Dietary protein deficiency
E)   Obstructed venous returnF) All of the above
G) B) and D)

Question 16

Which of the following is not a vein of the lower limb?

Accepted Answer

A)   Popliteal vein
B)   Posterior tibial artery
C)   Medial plantar artery
D)   Fibular vein
E)   Anterior interosseous arteryF) C) and D)
G) B) and C)

Question 17

Which of the following is not a vein of the upper limb?

Accepted Answer

A)   Cephalic vein
B)   Great saphenous vein
C)   Basilic vein
D)   Median antebrachial vein
E)   Ulnar veinF) C) and D)
G) A) and D)

Question 18

Myocardial infarction can lead to what type of shock?

Accepted Answer

A)   Neurogenic
B)   Cardiogenic
C)   Obstructed venous return
D)   Venous pooling (vascular) 
E)   HypovolemicF) A) and E)
G) None of the above

Question 19

What is the path of blood flow from the heart to the lung tissues and back to the heart?

Accepted Answer

A)   Left ventricle → aorta → brachiocephalic artery → lung tissues → bronchial veins → brachiocephalic vein → superior vena cava → right atrium
B)   Right ventricle → pulmonary trunk → pulmonary arteries → lung tissues → pulmonary veins → left atrium
C)   Right ventricle → brachiocephalic arteries → lung tissues → brachiocephalic veins → inferior vena cava → left atrium
D)   Left ventricle → aorta → bronchial arteries → lung tissues → bronchial veins → azygos vein → superior vena cava → right atriumE) B) and D)
F) B) and C)

Question 20

Vasomotion can raise or lower blood pressure throughout the body.

Accepted Answer

A) True 
 B)False

Exam 20: The Circulatory System: Blood Vessels and Circulation

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

Correct AnswerverifiedShow Answer

Which of the following is not a vein of the upper limb?

Correct AnswerverifiedShow Answer

The greatest outflow from the dural venous sinuses is via the internal jugular vein.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the path of blood flow from the heart to the lung tissues and back to the heart?

Correct AnswerverifiedShow Answer

Which of the following is not a vein of the lower limb?

Correct AnswerverifiedShow Answer

Most tissue fluid is reabsorbed by the lymphatic system.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A bee sting can trigger a massive release of histamine,which causes __________ and a(n) __________ in arterial blood pressure.

Correct AnswerverifiedShow Answer

Myocardial infarction can lead to what type of shock?

Correct AnswerverifiedShow Answer

Which of the following would decrease capillary filtration?

Correct AnswerverifiedShow Answer

Vasomotion can raise or lower blood pressure throughout the body.

Correct AnswerverifiedShow Answer

Which of the following does not contribute to venous return?

Correct AnswerverifiedShow Answer

What is the longest vein commonly used in grafts in coronary bypass surgery?

Correct AnswerverifiedShow Answer

Blood flow through a capillary bed is regulated by precapillary sphincters.

Correct AnswerverifiedShow Answer

Which of the following does not lead to edema?

Correct AnswerverifiedShow Answer

Which vessels have the thickest tunica media?

Correct AnswerverifiedShow Answer

What is one possible path of blood from the heart to the left hallux and back to the heart?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the most important force driving filtration at the arterial end of a capillary?

Correct AnswerverifiedShow Answer

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A bee sting can trigger a massive release of histamine,which causes and a(n) in arterial blood pressure.

Correct Answer
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