#Question id: 11703
#Biochemistry
A female athlete who took testosterone-like steroids for several months stopped having normal menstrual cycles. What is the best explanation for this observation?
#Question id: 11781
#Biochemistry
A 40-year-old woman comes to the emergency room with a fracture in the neck of the femur. Radiographs reveal generalized demineralization of the bone in the area. Her plasma calcium ion concentration is significantly greater than normal: 12.2 mg/dL. Which of the following conditions is consistent with this presentation?
#Question id: 11782
#Biochemistry
Which of the following pairs of hormones and the corresponding action is incorrect?
#Question id: 11784
#Biochemistry
Which of the following hormones is both synthesized and stored in the pituitary gland?
#Question id: 11786
#Biochemistry
In controlling aldosterone secretion, angiotensin II acts on which of the following structures?
#Question id: 11787
#Biochemistry
Giving prostaglandin E2 (PGE2) to a pregnant woman may result in an abortion. What is the best explanation for this finding?