Question 1

While out hiking,a friend of yours falls and suffers a trauma.You notice they start to go into shock.What do you do to help?

Accepted Answer

A)  Lie them down and elevate their head
B)  Hold them upright in a standing position
C)  Encourage them to sit up
D)  Lie them down and elevate their legsE) B) and D)
F) B) and C)

Question 2

Blood flow is pulsatile in arteries and veins,but it is steady in capillaries.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following are not tributaries of the inferior vena cava?

Accepted Answer

A)  The hepatic veins
B)  The internal and external iliac veins
C)  The inferior phrenic veins
D)  The vertebral veins
E)  The lumbar veinsF) A) and D)
G) B) and C)

Question 4

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 D)
G) C) and D) E

Question 5

Why does our blood pressure generally go up as we age?

Accepted Answer

A)  Our veins get 'hard' and absorb less systolic force
B)  Our veins get 'hard' and absorb less diastolic force
C)  Our arteries get 'hard' and absorb less systolic force
D)  Our arteries get 'hard' and absorb less diastolic forceE) B) and D)
F) B) and C)

Question 6

The brachial vein is the most common site of blood pressure measurement with the sphygmomanometer.

Accepted Answer

A) True 
 B)False  False

Question 7

What is the most important force in venous flow?

Accepted Answer

A)  Cardiac suction
B)  The pressure generated by the heart
C)  The skeletal muscle pump
D)  The thoracic (respiratory)  pump
E)  The one way flow due to valvesF) All of the above
G) C) and D)

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

What type of shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability?

Accepted Answer

A)  Compensated
B)  Anaphylactic
C)  Neurogenic
D)  Cardiogenic
E)  SepticF) A) and B)
G) A) and C)

Question 10

Which of the following is a portal system?

Accepted Answer

A)  Heart  →\rarr→  artery →\rarr→  vein  →\rarr→  heart
B)  Heart  →\rarr→  artery  →\rarr→  arteriole  →\rarr→  capillary bed  →\rarr→  arteriole  →\rarr→  capillary bed  →\rarr→  venule  →\rarr→  vein  →\rarr→  heart
C)  Heart  →\rarr→  artery  →\rarr→  artery  →\rarr→  arteriole  →\rarr→  capillary bed  →\rarr→ venule  →\rarr→  vein  →\rarr→  heart
D)  Heart  →\rarr→  artery  →\rarr→ arteriole  →\rarr→  capillary bed  →\rarr→  venule  →\rarr→  vein  →\rarr→  vein  →\rarr→  heart E) All of the above
F) A) and B)

Question 11

Arterial flow to the lower limb comes from the external iliac artery.

Accepted Answer

A) True 
 B)False

Question 12

During exercise,arterioles to the skeletal muscles __________.

Accepted Answer

A)  dilate in response to increased muscle metabolites
B)  constrict in response to increased muscle metabolites
C)  dilate in response to increased O2 and decreased CO2
D)  constrict in response to increased O2 and decreased CO2E) C) and D)
F) B) and D)

Question 13

The outermost wall of an artery or vein is called the __________ and in large arteries and veins contains the __________.

Accepted Answer

A)  tunica media; smooth muscle
B)  tunica externa; vasa vasorum
C)  tunica externa; valves
D)  tunica intima; endothelium
E)  tunica intima; basement membraneF) A) and B)
G) C) and D)

Question 14

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

Question 15

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) A) and B)
G) B) and D)

Question 16

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) C) and D)

Question 17

The radial artery is lateral to the ulnar artery.

Accepted Answer

A) True 
 B)False

Question 18

How is venous return to your heart affected when you go for an easy jog?

Accepted Answer

A)  It is increased due to increased skeletal muscular pump activity
B)  It is decreased due to decreased skeletal muscular pump activity
C)  It is decreased due to increased skeletal muscular pump activity
D)  It is increased due to decreased skeletal muscular pump activityE) A) and B)
F) A) and C)

Question 19

Which of the following constitutes the principal venous drainage of the thoracic organs?

Accepted Answer

A)  The branches of the celiac trunk
B)  The azygos system
C)  The mesenteric circulation
D)  The hepatic portal system
E)  The coronary and pulmonary veinsF) A) and B)
G) B) and E) B

Question 20

Which vessel supplies 80% of the cerebrum?

Accepted Answer

A)  Superficial temporal artery
B)  Occipital artery
C)  Internal carotid artery
D)  Anterior cerebral artery
E)  Middle cerebral arteryF) B) and E)
G) A) and E)

Exam 20: The Circulatory System: Blood Vessels and Circulation

While out hiking,a friend of yours falls and suffers a trauma.You notice they start to go into shock.What do you do to help?

Correct AnswerverifiedShow Answer

Blood flow is pulsatile in arteries and veins,but it is steady in capillaries.

Correct AnswerverifiedShow Answer

Which of the following are not tributaries of the inferior vena cava?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedE

Why does our blood pressure generally go up as we age?

Correct AnswerverifiedShow Answer

The brachial vein is the most common site of blood pressure measurement with the sphygmomanometer.

Correct AnswerverifiedFalse

What is the most important force in venous flow?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What type of shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability?

Correct AnswerverifiedShow Answer

Which of the following is a portal system?

Correct AnswerverifiedShow Answer

Arterial flow to the lower limb comes from the external iliac artery.

Correct AnswerverifiedShow Answer

During exercise,arterioles to the skeletal muscles __________.

Correct AnswerverifiedShow Answer

The outermost wall of an artery or vein is called the __________ and in large arteries and veins contains the __________.

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

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

Correct AnswerverifiedShow Answer

Which of the following would decrease capillary filtration?

Correct AnswerverifiedShow Answer

The radial artery is lateral to the ulnar artery.

Correct AnswerverifiedShow Answer

How is venous return to your heart affected when you go for an easy jog?

Correct AnswerverifiedShow Answer

Which of the following constitutes the principal venous drainage of the thoracic organs?

Correct AnswerverifiedB

Which vessel supplies 80% of the cerebrum?

Correct AnswerverifiedShow Answer

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E

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False

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The outermost wall of an artery or vein is called the and in large arteries and veins contains the .

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

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B

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