Anatomy and Physiology of Bones

Question 1
1 out of 1 points A thick filament consists of
Answer
Selected Answer: D. myosin.
Question 2
1 out of 1 points Which of the following structures is most like an exoskeleton?
Answer
Selected Answer: E. a suit of armor
Question 3
1 out of 1 points Which of the following structures constitutes part of the axial skeleton?
Answer
Selected Answer: C. skull
Question 4
1 out of 1 points Which of the following attaches the forelimbs to the axial skeleton in a human?
Answer
Selected Answer: E. shoulder girdle
Question 5
1 out of 1 points The calcium that triggers muscle contraction is stored in
Answer
Selected Answer: D. the sarcoplasmic reticulum (also known as the smooth ER).
Question 6
1 out of 1 points The contacting surfaces of a moving joint, such as your hip joint, consist of
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Selected Answer: B. cartilage. Question 7
0 out of 1 points Functionally, the muscle fiber's fundamental unit of contraction is the
Answer
Selected Answer: D. Z line
Question 8
1 out of 1 points Which of the following statements about locomotion is true?
Answer
Selected Answer: E. Locomotion requires animals to overcome friction and gravity.
Question 9
1 out of 1 points To repair and heal a broken bone, physicians will
Answer
Selected Answer: B. return the broken bone parts to their natural position and then immobilize them.
Question 10
1 out of 1 points Which part of a bone contains mostly stored fat?
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Selected Answer: A. yellow bone marrow
Question 11
1 out of 1 points Osteoporosis is characterized by
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Selected Answer: B. structural deterioration of bone tissue
Question 12
1 out of 1 points The neurotransmitter found at the synapse between nerves and human skeletal muscle cells is
Answer
Selected Answer: E. acetylcholine.
Question 13
1 out of 1 points The cell bodies and dendrites of motor neurons are located in the
Answer