Which of the following is not involved in creating the resting potential of a neuron?
A) diffusion of potassium ions out of the cell
B) diffusion of sodium ions into the cell
C) Membrane permeability for sodium ions is greater than for potassium ions.
D) Membrane permeability for potassium ions is greater than for sodium ions.
E) The interior of the plasma membrane has an excess of negative charges.
Answer: C
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Which of the following hormones controls the release of anterior pituitary gonadotropins?
A) LH B) GnRH C) testosterone D) FSH
Anterior pituitary hormones
A. bind to intracellular receptor molecules. B. are transported in the hypothalamohypophysial portal system. C. are all proteins or glycoproteins. D. are released as a direct result of action potentials. E. have a half-life of hours.
Stimulation of the reticular formation results in
A) increased consciousness. B) sleep. C) coma. D) decreased cerebral function. E) All of the above.
The secretory phase of the uterine cycle coincides with the follicular phase of the ovarian cycle
Indicate whether the statement is true or false.