Why do elderly men often have difficulty voiding urine?
A. Prostate cancer
B. Weakened urethral sphincters
C. Renal calculi
D. Prostatic hyperplasia
E. Reduction in number of functional nephrons
Answer: D
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_________ exhibit profound effects on such things as neuromuscular excitability
a. Free, unbound diffusible Ca2+ b. Intracellular Ca2+ c. Calcium phosphate crystals impregnated in the organic matrix of bone d. Calcium bound to plasma proteins e. Insoluble Ca2+ salts
The increase in antibody levels in a second antigen exposure is due to the _____.
A) memory B cell B) T cells C) helper T cells D) B clones
A clot or plaque which forms on the inside of blood vessel walls is called a/an ________.
A. arteriosus B. plaque C. embolus D. sclerosis E. thrombus
Satellite cells are multinucleate.
Answer the following statement true (T) or false (F)