Ch. 27 Review Qs
FSH is to estrogen as estrogen is to?
LH
Stimulates the secretion of testosterone?
LH
A drug that "reminds the pituitary: to produce gonadotropins might be useful as?
a fertility drug
Secondary sex characteristics are?
a result of male or female sex hormones increasing in amount at puberty
Potentiates the activity of testosterone on spermatogenic cells?
androgen-binding protein
Chemicals in males that inhibit the hypothalamic-pituitary-testicular axis?
inhibin and testosterone
Which of the following produces the male sex hormone?
interstitial endocrine cells
The menstrual cycle can be divided into 3 consecutive phases. Starting from the first day of the cycles, their consecutive order is?
menstrual, proliferative, secretory
Spermatozoa are seminiferous tubules as oocytes are to?
ovarian follicles
The corpus luteum is formed at the site of?
ovulation
The male homologue of the female clitoris is?
penis
Hormone that makes the cervical mucus viscous?
progesterone
Relative to differences between mitosis and meiosis, choose the statement that only apply only to events of meiosis?
tetrads present produces 4 daughter cells reduces the chromosomal number by half synapsis and crossover of homologues occur
The sex of a child is determined by ?
the sex chromosome contained in the sperm
Which of the following is correct relative to female anatomy?
the urethra is the more ventral of the two orifices in the vulva
The usual site of embryo implantation is?
uterus
Which will occur as a result of nondescent of the testes?
viable sperm will not be produced
In females, exerts feedback inhibition in the hypothalamus and anterior pituitary?
estrogens, inhibin and progesterone
The normal diploid number of a human chromosomes is?
46
Hormones that directly regulate the ovarian cycle?
FSH and LH
The structures that draw an ovulated oocyte into the female duct systems are?
cilia and fimbriae
Which of the following does not add a secretion that makes a major contribution to semen?
ductus deferns
