The process of lymphopoiesis occurs mainly in the
A) spleen.
B) kidneys.
C) lymph nodes.
D) red bone marrow.
E) thymus.
D
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How would an elevated level of thyroid hormone in the body affect skeletal muscles?
A) It would stimulate atrophy. B) It would stimulate hypertrophy. C) It would stimulate energy use and heat production. D) It would decrease heat production by muscle tissue. E) It would cause an increase in muscle mass.
Raising the potassium ion concentration in the extracellular fluid surrounding a nerve cell will have what effect?
A) depolarize it B) hyperpolarize it C) increase the magnitude of the potassium equilibrium potential D) decrease the magnitude of the potassium equilibrium potential E) both hyperpolarize it and decrease the magnitude of the potassium equilibrium potential
Mastication is one component of the mechanical digestion of food
Indicate whether this statement is true or false.
If, after ovulation, the corpus luteum fails to form, which of the following could potentially occur?
A. Maternal twins B. Ectopic pregnancy C. Miscarriage D. Placenta previa