Elastic fibers in the walls of which vessels are stretched as the heart beats?
A) arteries
B) arterioles
C) capillaries
D) venules
E) veins
Answer: A
Anatomy & Physiology
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A molecule of ________ has two heads and resembles a pair of golf clubs twisted around each other.
A. troponin B. myosin C. glycogen D. actin E. myoglobin
Anatomy & Physiology
Spermatogenesis ________
A) results in the formation of diploid cells B) is the process of releasing mature sperm cells into the lumen of the seminiferous tubule C) involves a kind of cell division limited to the gametes D) uses mitosis to produce gamete cells
Anatomy & Physiology
A fracture of the distal end of the radius is a ________ fracture.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Which pH is closest to normal body pH?
A) pH 7 B) pH 8 C) pH 4 D) pH 3 E) pH 2
Anatomy & Physiology