MICROANATOMY

ENDOCRINE ORGANS AND RESPIRATORY SYSTEM

ADRENAL GLANDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Cortisol can be released in response to:
A
low blood LH levels
B
high blood salt levels
C
low blood glucose levels
D
low blood calcium levels
Explanation: 

Detailed explanation-1: -The hormonal response to a low blood sugar includes a rapid release of epinephrine and glucagon, followed by a slower release of cortisol and growth hormone. These hormonal responses to the low blood sugar may last for 6-8 hours – during that time the blood sugar may be difficult to control.

Detailed explanation-2: -Your body uses glucose as its main fuel. The brain requires a constant supply of blood glucose and will signal the adrenal glands to release two hormones called adrenaline and cortisol whenever blood glucose levels are low.

Detailed explanation-3: -Glucagon is a hormone produced in the pancreas that stimulates your liver to release stored glucose into your bloodstream when your blood glucose levels are too low.

Detailed explanation-4: -Cortisol, a glucocorticoid (steroid hormone), is produced from cholesterol in the two adrenal glands located on top of each kidney. It is normally released in response to events and circumstances such as waking up in the morning, exercising, and acute stress.

Detailed explanation-5: -Glucose and Protein Homeostasis The presence of glucocorticoids, such as cortisol, increase the availability of blood glucose to the brain. Cortisol acts on the liver, muscle, adipose tissue, and pancreas. In the liver, high cortisol levels increase gluconeogenesis and decrease glycogen synthesis.

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