Normally, menstruation occurs when
A. blood levels of estrogen increase and progesterone levels decrease rapidly.
B. blood levels of estrogen and progesterone increase rapidly.
C. blood levels of FSH decrease rapidly.
D. the corpus luteum secretes estrogen.
E. blood levels of both female hormones decrease rapidly.
E
You might also like to view...
Testosterone can be categorized as a(n) ________ hormone.
A) amine B) glycoprotein C) peptide D) protein E) steroid
Carrier molecules are located within the
A) cytoplasm. B) plasma membrane. C) transport vesicles. D) lipid droplets. E) chromosomes.
Epinephrine does not
a. cause constriction of the respiratory airways b. elevate the concentration of blood sugar c. stimulate glycogenolysis in skeletal muscles d. stimulate hepatic gluconeogenesis e. stimulate hepatic glycogenesis
Which of the following epithelial types is mismatched with its function?
A. Stratified epithelium - protection B. Simple epithelium - diffusion C. Squamous epithelium - stretching D. Cuboidal epithelium - absorption E. Columnar epithelium - secretion