Which of the following properties of smooth muscle helps us to understand why, as pregnancy advances, women get more and more Braxton-Hicks (smooth muscle) contractions in the uterine wall?
A. Smooth muscle cells contract in response to changes in pH.
B. Smooth muscle cells contract in response to NO.
C. Smooth muscle cells contract in response to stretch.
D. Smooth muscle cells contract in response to CO2.
Answer: C
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A) glucose and fatty acids only B) glucose only C) fatty acids only D) amino acids only E) glucose, amino acids and fatty acids
The greater trochanter is the insertion point for the ________ muscle group.
Fill in the blank(s) with the appropriate word(s).
Decussation of pyramids refers to crossover of major motor tracts in the ________ region of the brain
A) medulla oblongata B) mid brain C) thalamus D) pons
The first line of cellular defense against pathogens are the
A) T cells. B) B cells. C) NK cells. D) phagocytes. E) plasma cells.