NPB 101 LECTURE QUESTIONS & ANSWERS

NPB 101 LECTURE QUESTIONS & ANSWERS



There are valves in the heart.

A) Two
B) Three
C) Four
D) Five- Answers - C
2. Which one of these is NOT the name of a heart valve- Answers -
A) Aortic
B) Prolapse
C) Tricuspid
D) Pulmonary- Answers - B
3. Heart valve disease occurs only in those who are born with defects in
their heart valves.
A) True
B) False- Answers - B
4. Heart valve disease is often discovered during an exam when
A) An echocardiogram is performed.
B) A stress test is performed.
C) A patient complains of chest pain.
D) None of the above.- Answers - A
5. Choose the correct sequence of current flow through the heart wall- Answers -
A) AV node, SA node, Purkinje fibers, AV bundle of His, right and left

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, bundle branches
B) SA node, AV node, AV bundle of His, right and left bundle branches,
Purkinje fibers
C) SA node, Purkinje fibers, AV node, AV bundle of His, right and left
bundle branches
D) AV node, Purkinje fibers, AV node, AV bundle of His, right and left
bundle branches
E) Purkinje fibers, AV node, AV bundle of His, right and left bundle branches, SA
node- Answers - B
6. During the spike of an action potential in a cardiac muscle cell
A) there is a rapid influx of Na+ into the cell.




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