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Questions and Answers
Which region of the adrenal gland produces mineralocorticoids?
Which region of the adrenal gland produces mineralocorticoids?
- Zona glomerulosa (correct)
- Zona fasciculata
- Adrenal medulla
- Zona reticularis
What is the primary function of the adrenal medulla?
What is the primary function of the adrenal medulla?
- Maintain blood pressure
- Produce glucocorticoids
- Produce catecholamines (correct)
- Produce androgens
What is the main function of corticoid binding globulin (CBG)?
What is the main function of corticoid binding globulin (CBG)?
- Aid in cholesterol conversion
- Facilitate steroid hormone synthesis
- Transport cortisol and aldosterone (correct)
- Serve as a transport protein for hydrophilic steroids
Which step of steroidogenesis limits the rate of adrenocortical hormone synthesis?
Which step of steroidogenesis limits the rate of adrenocortical hormone synthesis?
How are steroid hormones transported in the bloodstream?
How are steroid hormones transported in the bloodstream?
Where does cholesterol conversion into pregnenolone occur during steroidogenesis?
Where does cholesterol conversion into pregnenolone occur during steroidogenesis?
What percentage of aldosterone in the bloodstream is unbound (in a free state)?
What percentage of aldosterone in the bloodstream is unbound (in a free state)?
How do androgens primarily interact with cell receptors?
How do androgens primarily interact with cell receptors?
What occurs after cholesterol travels into the blood using an LDL in steroidogenesis?
What occurs after cholesterol travels into the blood using an LDL in steroidogenesis?
Which hormone regulates the step of cholesterol conversion into pregnenolone within the mitochondria?
Which hormone regulates the step of cholesterol conversion into pregnenolone within the mitochondria?
What is the primary action of aldosterone on the distal tubules of the kidneys?
What is the primary action of aldosterone on the distal tubules of the kidneys?
Which of the following hormones is responsible for stimulating arteriole constriction and increasing blood pressure?
Which of the following hormones is responsible for stimulating arteriole constriction and increasing blood pressure?
What is the effect of aldosterone on potassium in the kidney's distal tubules?
What is the effect of aldosterone on potassium in the kidney's distal tubules?
What happens right after aldosterone's binding to cytoplasmic receptors stimulates transcription within the nucleus of the kidney's distal tubules?
What happens right after aldosterone's binding to cytoplasmic receptors stimulates transcription within the nucleus of the kidney's distal tubules?
What is the effect of angiotensin 2 on the neurohypophysis?
What is the effect of angiotensin 2 on the neurohypophysis?
How does aldosterone affect the blood-potassium levels?
How does aldosterone affect the blood-potassium levels?
What is stimulated by aldosterone binding to cytoplasmic receptors in the kidneys?
What is stimulated by aldosterone binding to cytoplasmic receptors in the kidneys?
How does angiotensin 2 affect blood pressure?
How does angiotensin 2 affect blood pressure?
What stimulates renin secretion during RAAS pathway?
What stimulates renin secretion during RAAS pathway?
After the neurohypophysis is stimulated by angiotensin 2 to secrete ADH, what does ADH stimulate?
After the neurohypophysis is stimulated by angiotensin 2 to secrete ADH, what does ADH stimulate?
Which of the following statements about aldosterone is correct?
Which of the following statements about aldosterone is correct?
Which of the following processes is responsible for the metabolism and excretion of steroid hormones?
Which of the following processes is responsible for the metabolism and excretion of steroid hormones?
Which of the following is a factor that stimulates aldosterone secretion that works independently of RAAS?
Which of the following is a factor that stimulates aldosterone secretion that works independently of RAAS?
In the renin-angiotensin-aldosterone system (RAAS), which of the following is the correct sequence of events?
In the renin-angiotensin-aldosterone system (RAAS), which of the following is the correct sequence of events?
Which of the following statements about the effects of angiotensin 2 in the renin-angiotensin-aldosterone system (RAAS) is correct?
Which of the following statements about the effects of angiotensin 2 in the renin-angiotensin-aldosterone system (RAAS) is correct?
Which of the following statements about the regulation of aldosterone secretion is correct?
Which of the following statements about the regulation of aldosterone secretion is correct?
Which of the following statements about the effects of ACE inhibitors is correct?
Which of the following statements about the effects of ACE inhibitors is correct?
Which of the following statements about the clearance half-life of steroid hormones is correct?
Which of the following statements about the clearance half-life of steroid hormones is correct?
What does the cortex region of the adrenal gland include?
What does the cortex region of the adrenal gland include?
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