Which of the following can cause demyelination?
A) arsenic poisoning
B) diphtheria
C) multiple sclerosis
D) mercury exposure
E) Demyelination can be caused by arsenic, diphtheria, multiple sclerosis and mercury.
E
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A muscle producing almost peak tension during rapid cycles of contraction and relaxation is said to be in
A) incomplete tetanus. B) complete tetanus. C) treppe. D) wave summation. E) recruitment.
The term lymphadenopathy refers to
A) a congenital lack or malformation of lymph nodes. B) a chronic or excessive enlargement of lymph nodes. C) accumulations of lymph in the tissue space. D) the lack of lymphocytes in peripheral circulation. E) increased numbers of circulating lymphocytes.
Aging is done over a period of at least 7 days
Indicate whether the statement is true or false
A membrane that allows some substances to travel across it while restricting the passage of others is ________
A) selectively permeable B) impermeable C) hypotonic D) freely permeable