Identify the neuroendocrine organ that produces and releases catecholamines.
A.)adrenal medulla
B.)thyroid
C.)adrenal cortex
D.)parathyroid gland
A.)adrenal medulla
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The neurotransmitter involved in the process of contraction in skeletal muscles is
A) synovial fluid. B) ATP. C) troponin. D) acetylcholine. E) None of the answers are correct.
A test to measure the antibody level of a blood sample is called a(n)
A) primary response. B) secondary response. C) titer. D) anaphylaxis test. E) major histocompatibility complex.
At a total magnification of 100×, the diameter of the field of view is 6 mm. If the total magnification is increased to 1000×, the diameter of the field of view is ________
A) 0.6 mm B) 0.06 mm C) 60 mm D) 600 mm
Portion of the nephrons attached to the collecting duct
A) proximal convoluted tubule
B) medullary portion of the collecting duct
C) distal convoluted tubule
D) descending limb of the nephron loop
E) glomerulus