Chapter 22

If serum levels of estradiol do not increase after injection of hCG, the patient has a. Primary ovarian failure b. Pituitary failure c. Tertiary ovarian failure d. Secondary ovarian failure

If a patient had a luteal phase defect, which hormone would most likely be deficient? a. Progesterone b. Estrogen c. hCG d. FSH e. Prolactin

Which of the following is the precursor for estradiol formation in the placenta? a. Fetal adrenal DHEAS b. Maternal testosterone c. Maternal progesterone d. Placental hCG e. Fetal adrenal cholesterol

Which of the following target tissues is incapable of producing steroidal hormones? a. Adrenal medulla b. Placenta c. Ovary d. Testis e. Adrenal cortex

The parent substance in the biosynthesis of androgens and estrogens is a. Cholesterol b. Cortisol c. Catecholamines d. Progesterone

The biologically most active, naturally occurring androgen is a. DHEA b. Androstenedione c. Epiandrosterone d. Testosterone

Which of the following is secreted by the placenta and used for the early detection of pregnancy? a. \(\mathrm{hCG}\) b. FSH c. \(\mathrm{LH}\) d. Progesterone

Chronic fetal metabolic distress is demonstrated by a. Decreased urinary estriol excretion and decreased maternal serum estriol b. Decreased estrogen in maternal plasma and increased estriol in amniotic fluid c. Increased estradiol in maternal plasma, with a corresponding increase of estriol in amniotic fluid d. Increased urinary estriol excretion and increased maternal serum estriol

Androgen secretion by the testes is stimulated by a. LH b. FSH c. Testosterone d. Gonadotropins

Which hormone is responsible for an increase in body temperature at the time of ovulation? a. Progesterone b. Estrogen c. LH d. FSH e. Estradiol