Question 1

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

Question 2

Blood filtered through the hepatic sinusoids exits the liver via the hepatic veins.

Accepted Answer

A) True 
 B)False

Question 3

What is the path of blood from the heart,to the left zygomaticus muscles,and back to the heart?

Accepted Answer

A)  Aorta  →\rarr→  left brachiocephalic artery  →\rarr→  left common carotid artery  →\rarr→  left internal carotid artery  →\rarr→  left occipital artery  →\rarr→  zygomatic tissues  →\rarr→  left maxillary vein  →\rarr→  left internal jugular vein  →\rarr→  left subclavian vein  →\rarr→  left brachiocephalic vein  →\rarr→  superior vena cava
B)  Aorta  →\rarr→  left common carotid artery  →\rarr→  left internal carotid artery  →\rarr→  left maxillary artery  →\rarr→  zygomatic tissues  →\rarr→  left facial vein  →\rarr→  left external jugular vein  →\rarr→  left subclavian vein  →\rarr→  left brachiocephalic vein  →\rarr→  superior vena cava
C)  Aorta  →\rarr→  left common carotid artery  →\rarr→  left external carotid artery  →\rarr→  left facial artery  →\rarr→  zygomatic tissues  →\rarr→  left facial vein  →\rarr→  left internal jugular vein  →\rarr→   Left subclavian vein  →\rarr→  Left brachiocephalic vein →\rarr→  Superior vena cava
D)  Aorta  →\rarr→  left brachiocephalic artery  →\rarr→  left common carotid artery  →\rarr→  left external carotid artery  →\rarr→  left facial artery  →\rarr→ zygomatic tissues  →\rarr→  left facial vein  →\rarr→  left internal jugular vein  →\rarr→  left subclavian vein  →\rarr→  superior vena cava E) B) and C)
F) None of the above

Question 4

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 E)
G) B) and E)

Question 5

Which of the following are powerful vasoconstrictors?

Accepted Answer

A)  Norepinephrine and antidiuretic hormone (ADH) 
B)  Norepinephrine and atrial natriuretic peptide (ANP) 
C)  Epinephrine and angiotensin II
D)  Epinephrine and aldosterone
E)  Epinephrine and antidiuretic hormone (ADH) F) A) and B)
G) A) and C)

Question 6

Which vessels have the thickest tunica media?

Accepted Answer

A)  Small arteries
B)  Small veins
C)  Large arteries
D)  Large veins
E)  CapillariesF) A) and D)
G) None of the above

Question 7

Where is the vasomotor center located?

Accepted Answer

A)  Hypothalamus
B)  Medulla oblongata
C)  Spinal cord
D)  Cerebellum
E)  Cerebral cortexF) A) and B)
G) B) and D)

Question 8

Your grandmother is experiencing temporary dizziness,blurred vision,paralysis on her left side,and mild aphasia.What do you think might be happening?

Accepted Answer

A)  She has arteriosclerosis.
B)  She is having a myocardial infarction.
C)  She has an aortic aneurism.
D)  She is having a TIA.E) B) and D)
F) C) and D)

Question 9

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) A) and E)
G) A) and C)

Question 10

Which of the following activities would fatigue your hand muscles the fastest?

Accepted Answer

A)  Squeezing a ball as hard as you can without stopping
B)  Alternately squeezing a ball then relaxing
C)  Bouncing a ball on the floor as many times as you can
D)  Throwing a ball in the air and catching it as many times as you canE) All of the above
F) B) and C)

Question 11

Which of the following is not a possible circulatory route from the heart?

Accepted Answer

A)  Heart  →\rarr→  arteries  →\rarr→ capillary bed  →\rarr→  veins  →\rarr→  heart
B)  Heart  →\rarr→  arteries  →\rarr→  capillary bed  →\rarr→  vein  →\rarr→  capillary bed  →\rarr→  veins  →\rarr→  heart
C)  Heart →\rarr→  arteries  →\rarr→  capillary bed  →\rarr→  vein  →\rarr→  capillary bed  →\rarr→  arteries  →\rarr→  heart
D)  Heart  →\rarr→  arteries  →\rarr→ arterial anastomosis  →\rarr→  capillary bed  →\rarr→  veins  →\rarr→  heart
E)  Heart  →\rarr→  arteries  →\rarr→ arterial anastomosis  →\rarr→  capillary bed  →\rarr→  venous anastomosis  →\rarr→  veins  →\rarr→  heart F) None of the above
G) C) and D)

Question 12

Large veins,medium veins,and venules have valves to prevent the backflow of blood.

Accepted Answer

A) True 
 B)False

Question 13

Increased capillary filtration,reduced reabsorption,or obstruction of lymphatic drainage can lead to edema.

Accepted Answer

A) True 
 B)False

Question 14

What type of shock can be produced by hemorrhage,severe burns,or dehydration?

Accepted Answer

A)  Anaphylactic
B)  Cardiogenic
C)  Hypovolemic
D)  Venous pooling
E)  NeurogenicF) A) and B)
G) All of the above

Question 15

The pulmonary circuit is the only route in which arteries carry less oxygen than veins.

Accepted Answer

A) True 
 B)False

Question 16

What is the most important force driving reabsorption at the venous 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) All of the above
G) None of the above

Question 17

Vasoreflexes can raise or lower blood pressure throughout the body.

Accepted Answer

A) True 
 B)False

Question 18

What are the afferent vessels that carry blood back to the heart?

Accepted Answer

A)  Arteries
B)  Arterioles
C)  Veins
D)  CapillariesE) B) and D)
F) B) and C)

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

Which of the following best describes the cerebral arterial circle (circle of Willis) ?

Accepted Answer

A)  An anastomosis surrounding the pituitary gland
B)  A portal system connecting the hypothalamus with the anterior pituitary
C)  A short anastomosis found in the cerebellum
D)  Formed by the superior and inferior sagittal sinuses
E)  An anastomosis circling the entire cortexF) All of the above
G) B) and D)

Exam 20: The Circulatory System: Blood Vessels and Circulation

What are the afferent vessels that carry blood back to the heart?

Correct AnswerverifiedShow Answer

Increased capillary filtration,reduced reabsorption,or obstruction of lymphatic drainage can lead to edema.

Correct AnswerverifiedShow Answer

Which of the following activities would fatigue your hand muscles the fastest?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The pulmonary circuit is the only route in which arteries carry less oxygen than veins.

Correct AnswerverifiedShow Answer

Where is the vasomotor center located?

Correct AnswerverifiedShow Answer

Which of the following best describes the cerebral arterial circle (circle of Willis) ?

Correct AnswerverifiedShow Answer

Large veins,medium veins,and venules have valves to prevent the backflow of blood.

Correct AnswerverifiedShow Answer

What is the most important force driving reabsorption at the venous end of a capillary?

Correct AnswerverifiedShow Answer

What type of shock can be produced by hemorrhage,severe burns,or dehydration?

Correct AnswerverifiedShow Answer

Blood filtered through the hepatic sinusoids exits the liver via the hepatic veins.

Correct AnswerverifiedShow Answer

Vasoreflexes 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

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

Correct AnswerverifiedShow Answer

What is the path of blood from the heart,to the left zygomaticus muscles,and back to the heart?

Correct AnswerverifiedShow Answer

Which of the following are powerful vasoconstrictors?

Correct AnswerverifiedShow Answer

Which of the following is not a possible circulatory route from the heart?

Correct AnswerverifiedShow Answer

Myocardial infarction can lead to what type of shock?

Correct AnswerverifiedShow Answer

Which vessels have the thickest tunica media?

Correct AnswerverifiedShow Answer

Your grandmother is experiencing temporary dizziness,blurred vision,paralysis on her left side,and mild aphasia.What do you think might be happening?

Correct AnswerverifiedShow Answer

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