A 25-year-old woman has just had the Implanon or Nexplanon system inserted for contraception. Six months later, she is concerned because she is not menstruating. This is ________, and the reason is that she has an increased level of ________
A) normal; progesterone B) abnormal; follicle stimulating hormone (FSH)
C) normal; estrogen D) abnormal; luteinizing hormone (LH)
Answer: A
You might also like to view...
Movement in multicellular animals is dependent on:
A. a mucous coating B. the action of muscle cells. C. cilia and flagella. D. movement of mitochondria.
Animal breeders use a _______ to determine whether an organism is heterozygous or homozygous for a particular trait.
a. Punnett square b. reciprocal cross c. test cross d. self cross
Which layer of the digestive tract contains blood and lymph vessels?
a. mucosa b. circular muscle c. longitudinal muscle d. submucosa e. serosa
The level of environmental toxins such as DDT decreases as you move into the higher trophic levels
Indicate whether the statement is true or false