Describe the role of amylin
What will be an ideal response?
Amylin is co-secreted with insulin from pancreatic beta cells at a ratio of 1:100 . Unlike insulin, amylin does not act on peripheral tissues, but instead acts in the central nervous system to enhance satiety, delay gastric emptying, and suppress secretion of glucagon (a hormone that raises blood glucose). Thus, amylin acts as a partner hormone to insulin to lower blood glucose. In complementary fashion, amylin reduces glucose influx into the blood from the digestive tract after a meal while insulin removes glucose from the blood and promotes its use and storage after a meal.
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A woman falls down a flight of stairs carrying a large box. She is admitted to the hospital paralyzed on the right side and unable to speak. Where is her injury?
A) Brainstem B) Temporal lobe C) Spinal cord D) Frontal lobe
The aortic valve
a. prevents the backflow of blood into the aorta during ventricular diastole b. prevents the backflow of blood into the left ventricle during ventricular diastole c. prevents the backflow of blood into the right ventricle during ventricular diastole d. closes when the first heart sound is heard e. does not do any of the above
To raise the mandible during chewing you would need to contract what two muscles?
A. Temporalis and buccinators B. Buccinators and platysma C. Masseter and temporalis D. Masseter and buccinators
What allows the zygote to develop female anatomy?
A. The absence of androgen receptors B. XX chromosomes C. The absence of the SRY gene D. All of the answers are correct.