The function of melanin in the skin is to
A. keep the epidermis soft and pliable.
B. reduce water loss.
C. prevent infections.
D. protect against UV light.
E. help regulate body temperature.
Answer: D
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Tendons and ligaments have
A. a high degree of vascularization, therefore high perfusion and rapid healing. B. a high degree of vascularization, therefore high perfusion and slow healing. C. a high degree of vascularization, therefore low perfusion and slow healing. D. a low degree of vascularization, therefore high perfusion and rapid healing. E. a low degree of vascularization, therefore low perfusion and slow healing.
Relaxin is a hormone produced by the placenta and ovaries. The function of this hormone is to ________
A) ensure the implantation of the blastula B) block the pain of childbirth C) prevent morning sickness D) relax the pubic symphysis
Diffuse lymphoid tissue includes
A) tonsils, GALT (gut-associated lymphoid tissue), and the spleen. B) tonsils and GALT (gut-associated lymphoid tissue). C) tonsils. D) the spleen. E) GALT (gut-associated lymphoid tissue).
The choroid plexuses produces CSF at a rate of about
A) 500 mL/day. B) 250 mL/day. C) 50 mL/day. D) 1000 mL/day. E) 150 mL/day.