What part of the retina is responsible for the sharpest vision?
A. Optic disc
B. Posterior retina
C. Macula lutea
D. Fovea centralis
E. All of the choices are correct.
Answer: D
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What socket of the coxal bone articulates with the femur?
A) iliac spine B) acetabulum C) pubic symphysis D) obturator foramen
Osteoarthritis usually is caused by
A. wear and tear of the joint. B. increased uric acid in the blood. C. an autoimmune disorder. D. a bacterial infection in the joint. E. bursitis.
Sweating is
a. an active evaporative heat-loss process under sympathetic nervous control b. the only means of losing heat when the environmental temperature is warmer than body temperature c. the only means by which evaporative heat loss can take place in the body d. a and b e. all of the above
Chromosome duplication occurs prior to both mitosis and meiosis.
a. true b. false