"Goose bumps" are caused by
a) action of arrector pili muscles.
b) secretions from the sudoriferous glands.
c) contraction of dermal papillae.
d) stimulation of hair root plexus.
e) secretions from the sebaceous gland.
Answer: a
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The cutaneous plexus is
A) a network of nerves in the cutaneous membrane. B) a superficial network of dermal arteries. C) a deep network of dermal arteries along the boundary of the reticular layer. D) a neural plexus responsible for deep pressure. E) a network of arteries in the epidermis.
A(n) ________ in molecular size and a(n) ________ in temperature result in an increased rate of diffusion
A) decrease, increase B) decrease, decrease C) increase, increase D) increase, decrease
Sugars that are part of RNA and DNA are
A. sucrose and fructose. B. ribose and deoxyribose. C. glucose and galactose. D. glucose and glycogen.
Why is the area just distal to the tubercles of the humerus called the surgical neck?
What will be an ideal response?