Which of the following acts as the trigger for the initiation of micturition (voiding)?
A) the pressure of the fluid in the bladder
B) motor neurons
C) the stretching of the bladder wall
D) the sympathetic efferents
C
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Which cells resemble basophils and are found in connective tissue, close to small blood vessels?
A. Dendritic cells B. Mast cells C. NK cells D. Alveolar macrophages E. Cytokines
Where are indoleamines produced?
a. pineal gland b. thyroids c. adrenal medulla d. pituitary e. hypothalamus
A secondary response to an invading microorganism that has invaded a previous time is
a. launched by memory cells b. slower and weaker than the primary response c. more rapid, more potent, and longer-lasting than the primary response d. both a and b e. both a and c
___________ targets osteoclasts when blood calcium levels are too low, thus causing an increase in the concentration of calcium in the blood?
a. Aldosterone b. Thyroid hormone c. Cortisol d. Parathyroid hormone e. Calcitonin