Destruction of the central region of the retina that contains the fovea centralis and results in loss of fine detail vision is known as
A. presbyopia.
B. glaucoma.
C. macular degeneration.
D. cataracts.
Answer: C
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Night blindness is a result of a deficiency of what nutrient?
a. glutamate b. vitamin E c. vitamin B6 d. vitamin A e. zinc
Which statement regarding vasopressin in incorrect?
a. it is produced in the hypothalamus. b. it stimulates uterine smooth muscle contraction. c. it increases kidney reabsorption of water. d. it is a potent arteriolar vasoconstrictor. e. it is released when the osmolarity of the plasma increases.
The spinal cord is vitally important in processing complex information.
Answer the following statement true (T) or false (F)
Which of the following statements about humoral immunity is false?
A. Humoral immunity is also called cell-mediated immunity. B. Humoral immunity begins when an APC in lymphoid tissue displays an epitope from its environment on an MHC protein. C. Plasma B cells produce specific antibodies. D. Humoral immunity involves B cells making antibodies.