Lymphocyte proliferation begins by increasing the number of ________.
A. T suppressor cells
B. macrophages
C. cytotoxic T cells
D. B cells
E. helper T cells
Answer: E
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The epidermal layer that is present in the nail bed and the nail matrix is the
A. stratum basale. B. stratum corneum. C. stratum lucidum. D. stratum lunula. E. stratum spinosum.
Axons exit the sympathetic chain ganglia by all of the following except
A. spinal nerves. B. cranial nerves. C. splanchnic nerves. D. sympathetic nerves. E. nerves that innervate the adrenal medulla.
A 45-year-old man is placed on an angiotensin-converting enzyme inhibitor as part of his therapy for hypertension. If he does not change his diet, what changes in his serum [Na+] and serum [K+] would you expect?
Serum [Na+] Serum [K+] A. No change ? B. No change ? C. ? No change D. ? ? E. ? ?
Vitamin A is necessary for the synthesis of rhodopsin.
Answer the following statement true (T) or false (F)