Hormones known as "catecholamines" are
A) lipids.
B) peptides.
C) steroids.
D) amino acid derivatives.
E) derivatives of reproductive glands.
Answer: D
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Which term means nearer the outside of the body or an organ?
A. Ventral B. Caudal C. Dorsal D. External E. Distal
When Ca2+ is present at high levels in the sarcoplasm of striated muscles, then
A) TnI has a strong interaction with actin. B) TnC has a strong interaction with TnI. C) TnT has a strong interaction with myosin. D) TnT has a weak interaction with Ca2+.
On a muscle fiber, the two terminal cisternae and the centrally placed T-tubule form a structure called a ______________
Fill in the blank with correct word.
Which of the following veins does not occur in the upper extremity?
A. Cephalic vein B. Small saphenous vein C. Basilic vein D. Median antebrachial vein E. Ulnar vein