Neuron one stimulates neuron two. Neuron two stimulates an interneuron that re-stimulates neuron one and so on. What type of neuronal circuit is involved?
A) convergent pathway
B) divergent pathway
C) reverberating circuit
D) parallel after-discharge circuit
Answer: D) parallel after-discharge circuit
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The molecule HCl is an example of a(n)
A. electrolyte. B. nonelectrolyte. C. base.
The brain-testicular axis ________.
A) is the tight relationship between the cortex and the control of testicular function B) involves FSH and LH release C) involves posterior pituitary release of regulating hormones D) involves a positive feedback loop control of spermatogenesis
The clinical term for "growing old" is
A) maturation. B) aging. C) senescence. D) apoptosis. E) senility.
Kristin discovers a lump in her neck. Upon examination, her physician determines it's a tumor of the thyroid and performs a complete removal. Which of the following is not one of the hormones Kristin will need to be supplemented with?
A. Thyroxine B. Triiodothyronine C. Calcitonin D. Cholecalciferol