#Question id: 11698
#Unit 7. System Physiology – Animal
A patient has an elevated plasma thyroxine (T4) concentration, a low plasma thyroid-stimulating hormone (TSH) concentration, and a thyroid gland that is smaller than normal. Which of the following is the most likely explanation for these findings?
#Question id: 11699
#Unit 7. System Physiology – Animal
Extracellular ionic calcium activity will be decreased within 1 min by which of the following?
#Question id: 11700
#Unit 7. System Physiology – Animal
As menstruation ends estrogen levels in the blood rise rapidly. What is the source of the estrogen?
#Question id: 11701
#Unit 7. System Physiology – Animal
Which of the following anterior pituitary hormones plays a major role in the regulation of a nonendocrine target gland?
#Question id: 11702
#Unit 7. System Physiology – Animal
An experiment is conducted in which antidiuretic hormone (ADH) is administered at hour 3 to four subjects (A to D). In the following figure, which lines most likely reflect the response to ADH administration in a normal patient and in a patient with central diabetes insipidus?
#Question id: 11703
#Unit 7. System Physiology – Animal
A female athlete who took testosterone-like steroids for several months stopped having normal menstrual cycles. What is the best explanation for this observation?