According to Fick's law, the rate at which gas "A" diffuses from space 1 to space 2 is increased by _________.
A. a higher concentration of gas "A" in space 2
B. increasing the area of the membrane through which diffusion occurs
C. increasing the distance between spaces
D. two of the abovev
Answer: B. increasing the area of the membrane through which diffusion occurs
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Which of the following are types of papillae on the tongue that contain taste buds?
A) palatine and circumvallate B) fungiform, circumvallate, and filiform C) circumvallate and filiform D) fungiform and circumvallate
Match the stage of interphase with the event(s) that occur(s): S
A)The cell permanently stops dividing. B)DNA replicates. C)The cell is metabolically active, synthesizing proteins, and growing rapidly. D)Cell division enzymes are synthesized, and the centrioles complete replication.
Name the three major interacting hormonal events associated with the onset of puberty
A) Increased GnRH production, increased LH and decreased FSH production, activation of ovaries and testes by LH. B) Decreased GnRH production due to estrogen and testosterone negative feedback, decrease in LH and FSH release by the anterior pituitary gland, and decreased LH and FSH sensitivity by the ovaries and testes. C) Increased GnRH production, increased sensitivity of the anterior pituitary to GnRH and the subsequent release of LH and FSH, and increased sensitivity of ovaries and testes to LH and FSH. D) Increased hypothalamic LH production, anterior pituitary release of estrogen and testosterone, estrogen activation of ovaries and testosterone activation of testes. E) Increased hypothalamic estrogen and testosterone production, estrogen activation of ovaries and testosterone activation of testes.
Control of the voluntary urethral sphincter in normal children is related to ________
A) intelligence B) nervous system development C) enzymatic regulation D) hormone regulation E) muscular development