In a healthy patient, the thyroid gland
A. consists of two lobes that are connected by an isthmus.
B. does not move with the thyroid cartilage when swallowing.
C. secretes thyroxine, which slows down the metabolic rate.
D. is clearly visible and easily palpated.
Answer: A. consists of two lobes that are connected by an isthmus.
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A) diffusion of potassium ions out of the cell B) diffusion of sodium ions into the cell C) membrane permeability for sodium ions greater than potassium ions D) membrane permeability for potassium ions greater than sodium ions E) The interior of the plasma membrane has an excess of negative charges.
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Indicate whether this statement is true or false.
Type AB individuals are called universal recipients -- lacking both anti-A and anti-B antibodies, they can accept donor blood of any type
a. True b. False Indicate whether the statement is true or false
According to the two-cell mechanism of follicular estrogen synthesis:
A. granulosa cells synthesize an androgen, which the theca cells convert to estrogen. B. Sertoli cells synthesize an androgen, which the granulosa cells convert to dihydrotestosterone. C. theca cells synthesize an androgen, which luteal cells convert to estrogen. D. production of progesterone by the corpus luteum requires cooperative interaction between two cell types. E. theca cells synthesize an androgen, which the granulosa cells convert to estrogen.