Topic 1, Volume A

QUESTION: 1
What is the function of the tricuspid valve?

A. It acts as a pacemaker.
B. To pump blood through the heart.
C. Prevents backflow of blood to the left atrium.
D. Prevents backflow of blood to the right atrium.

Answer(s): D
QUESTION: 2
What is the fundamental unit of muscle contraction?

A. Myofibril
B. Sarcomere
C. Myosin
D. Sarcolemma

Answer(s): B
QUESTION: 3
Which chamber of the heart is responsible for pumping oxygenated blood to the body?

A. Right ventricle
B. Left ventricle
C. Right atrium
D. Left atrium

Answer(s): B
QUESTION: 4
What is the natural curve in the lumbar region of the spine?

A. Kyphotic curve
B. Scoliotic curve
C. Lordotic curve
D. Myotic curve

Answer(s): C
QUESTION: 5
Adenosine triphosphate production via "anaerobic" glycolysis is associated with the significant
formation of what by-product?
2

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