A patient goes to her doctor, complaining of fatigue, weight gain, and intolerance to cold. She also has a noticeable goiter in her neck. Which of the following is a most likely diagnosis and cause?
A. She has hypothyroidism, possibly due to destruction of thyrotrope cells of her anterior pituitary gland.
B. She has hyperthyroidism, possibly due to Graves' disease.
C. She has hypothyroidism, possibly due to low iodine in her diet.
D. She has hyperthyroidism, possibly due to a hypersecreting tumor of the anterior pituitary gland.
C
You might also like to view...
In the following barium-enhanced radiograph, the arrow points to the:
A) sigmoid colon. B) ascending colon. C) descending colon. D) duodenum. E) cecum.
Facultative anaerobes utilize a molecule other than oxygen as the final electron acceptor in ATP synthesis
Indicate whether the statement is true or false
__________ feedback loops cause a change in a regulated variable in the opposite direction of the initial change.
Fill in the blank(s) with the appropriate word(s).
A mixed nerve consists of both ________ and ________
A) myelinated; unmyelinated fibers B) association; integration neurons C) glial cells; nerve cells D) afferent; efferent fibers E) spinal; cranial fibers