Question 1

How much blood does the average-sized adult have?

Accepted Answer

A)  2 liters
B)  4 liters
C)  5 liters
D)  7 litersE) None of the above
F) C) and D)

Question 2

Mary has type AB blood.Which type of antibodies are present in her plasma?

Accepted Answer

A)  anti-A
B)  anti-B
C)  anti-A and anti-B
D)  Neither anti-A nor anti-BE) A) and D)
F) C) and D)

Question 3

The annuli fibrosi are rings of epithelial tissue that support the heart valves.

Accepted Answer

A) True 
 B)False

Question 4

Varicose veins can be caused by

Accepted Answer

A)  compression of abdominal veins by a fetus during pregnancy.
B)  stretched venous valves.
C)  excessive venous congestion.
D)  All applyE) All of the above
F) None of the above

Question 5

Cardiac ________ channels are called hyperpolarization cyclic nucleotide (HCN) channels because they open in response to hyperpolarization.

Accepted Answer

A)  atrial
B)  Purkinje
C)  pacemaker
D)  ventricularE) A) and B)
F) C) and D)

Question 6

A continual recycling of electrical waves through the myocardium is called

Accepted Answer

A)  circus rhythm.
B)  atrial flutter.
C)  asystole.
D)  SA node block.E) A) and D)
F) C) and D)

Question 7

Failure of the SA node to depolarize would result in an ECG

Accepted Answer

A)  lacking a T wave.
B)  lacking a QRS complex.
C)  lacking a P wave.
D)  that is isoelectric.E) C) and D)
F) A) and B)

Question 8

Which of the following stimulates the formation of the platelet plug?

Accepted Answer

A)  von Willebrand's factor
B)  ADP
C)  thromboxane A2
D)  All applyE) All of the above
F) B) and C)

Question 9

Blood would clot more slowly in an individual with 100,000 platelets/mm3.

Accepted Answer

A) True 
 B)False

Question 10

Polycythemia would be induced by

Accepted Answer

A)  decreased oxygen in the blood.
B)  increased oxygen in the blood.
C)  decreased carbon dioxide in the blood.
D)  increased infection in the blooD.E) A) and B)
F) C) and D)

Question 11

The capillaries' function is exchange of gases,nutrients,and wastes with the tissues.

Accepted Answer

A) True 
 B)False

Question 12

Which capillaries have wide intercellular pores that serve as a basement membrane over the capillary endothelium for increased filtration?

Accepted Answer

A)  true
B)  continuous
C)  fenestrated
D)  discontinuousE) B) and D)
F) C) and D)

Question 13

The T wave of the ECG represents atrial repolarization.

Accepted Answer

A) True 
 B)False

Question 14

Increased circulating lactate dehydrogenase may indicate that a myocardial infarction has occurred within the past week.

Accepted Answer

A) True 
 B)False

Question 15

The most common type of anemia is

Accepted Answer

A)  polycythemiA.
B)  pernicious anemia.
C)  iron-deficiency anemia.
D)  aplastic anemia.E) B) and C)
F) A) and D)

Question 16

Endogenously applied ______________ or tissue plasminogen activator (TPA) can induce blood clot dissolution.

Accepted Answer

A)  albumin
B)  streptokinase
C)  thromboxane A2
D)  penicillinE) None of the above
F) B) and C)

Question 17

Statins

Accepted Answer

A)  inhibit HMG-coenzyme A reductase.
B)  stimulate proconvertin.
C)  inhibit streptokinase.
D)  All applyE) A) and B)
F) All of the above

Question 18

____________ binds and inactivates the sodium-potassium ATPase pumps of myocardial cell leading to increased intracellular calcium concentrations and stronger myocardial contractions.

Accepted Answer

A)  Epinephrine
B)  Digitalis
C)  Nicotine
D)  CaffeineE) C) and D)
F) B) and C)

Question 19

What hormone stimulates the process of erythropoiesis?

Accepted Answer

A)  multipotent growth factor-1
B)  interleukin-1
C)  erythropoietin
D)  GM-CSFE) B) and C)
F) C) and D)

Question 20

The "buffy coat" is made up of thrombocytes and leukocytes.

Accepted Answer

A) True 
 B)False

Exam 13: Blood,Heart and Circulation

Statins

Correct AnswerverifiedShow Answer

The T wave of the ECG represents atrial repolarization.

Correct AnswerverifiedShow Answer

Cardiac ________ channels are called hyperpolarization cyclic nucleotide (HCN) channels because they open in response to hyperpolarization.

Correct AnswerverifiedShow Answer

The annuli fibrosi are rings of epithelial tissue that support the heart valves.

Correct AnswerverifiedShow Answer

____________ binds and inactivates the sodium-potassium ATPase pumps of myocardial cell leading to increased intracellular calcium concentrations and stronger myocardial contractions.

Correct AnswerverifiedShow Answer

Which of the following stimulates the formation of the platelet plug?

Correct AnswerverifiedShow Answer

Blood would clot more slowly in an individual with 100,000 platelets/mm3.

Correct AnswerverifiedShow Answer

Mary has type AB blood.Which type of antibodies are present in her plasma?

Correct AnswerverifiedShow Answer

How much blood does the average-sized adult have?

Correct AnswerverifiedShow Answer

Polycythemia would be induced by

Correct AnswerverifiedShow Answer

Endogenously applied ______________ or tissue plasminogen activator (TPA) can induce blood clot dissolution.

Correct AnswerverifiedShow Answer

What hormone stimulates the process of erythropoiesis?

Correct AnswerverifiedShow Answer

Increased circulating lactate dehydrogenase may indicate that a myocardial infarction has occurred within the past week.

Correct AnswerverifiedShow Answer

Varicose veins can be caused by

Correct AnswerverifiedShow Answer

Which capillaries have wide intercellular pores that serve as a basement membrane over the capillary endothelium for increased filtration?

Correct AnswerverifiedShow Answer

A continual recycling of electrical waves through the myocardium is called

Correct AnswerverifiedShow Answer

The most common type of anemia is

Correct AnswerverifiedShow Answer

Failure of the SA node to depolarize would result in an ECG

Correct AnswerverifiedShow Answer

The "buffy coat" is made up of thrombocytes and leukocytes.

Correct AnswerverifiedShow Answer

The capillaries' function is exchange of gases,nutrients,and wastes with the tissues.

Correct AnswerverifiedShow Answer

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Blood would clot more slowly in an individual with 100,000 platelets/mm³.

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