Renin and Glucose-6-Phosphatase Functions
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Questions and Answers

What is the primary function of renin in the renin-angiotensin-aldosterone system?

  • To regulate Na/K levels
  • To convert angiotensinogen into angiotensin I (correct)
  • To convert angiotensin I into angiotensin II
  • To stimulate the release of aldosterone

Glucose-6-phosphatase is primarily involved in which of the following processes?

  • Reabsorption of NaCl in the kidneys
  • Regulation of blood pressure
  • Maintenance of interprandial glucose homeostasis (correct)
  • Stimulation of aldosterone production

Which of the following is a clinical significance of glucose-6-phosphatase?

  • Maintenance of glycogen storage
  • Regulation of Na/K levels
  • Glycogen storage disease type I (von Gierke's disease) (correct)
  • Diagnosis of kidney and heart failure

What is the function of kallikrein in the kidneys?

<p>To inhibit the reabsorption of NaCl (D)</p> Signup and view all the answers

Which of the following enzymes is primarily involved in the regulation of blood pressure?

<p>Renin (B)</p> Signup and view all the answers

What is the primary function of the renal kallikrein-kinin system within the nephrons of the kidney?

<p>To inhibit the reabsorption of NaCl (B)</p> Signup and view all the answers

Which enzyme is involved in the synthesis of the active form of vitamin D?

<p>25 1α-Hydroxylase (A)</p> Signup and view all the answers

What is the clinical significance of 11β-hydroxysteroid dehydrogenase type 2 deficiency?

<p>Apparent mineralocorticoid excess (AME) (A)</p> Signup and view all the answers

In which tissues is 11β-hydroxysteroid dehydrogenase type 1 highly expressed?

<p>Liver, adipose tissue, and the central nervous system (B)</p> Signup and view all the answers

What is the role of tissue kallikrein/kinin in the kidney?

<p>To regulate renal blood flow and modulate tubular salt and water transport (D)</p> Signup and view all the answers

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