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This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
Where is aldosterone released from? |
A. | Pituitary gland |
B. | Adrenal cortex |
C. | Pineal gland |
D. | Adrenal medulla |
Answer» C. Pineal gland | |
2. |
Which of these hormones acts as a check on the renin-angiotensin mechanism? |
A. | ANF |
B. | ADH |
C. | Renin |
D. | Angiotensinogen |
Answer» B. ADH | |
3. |
Which of these hormones can decrease blood pressure? |
A. | Epinephrine |
B. | ADH |
C. | ANF |
D. | Angiotensin II |
Answer» D. Angiotensin II | |
4. |
Which of these hormones activates the adrenal cortex to release aldosterone? |
A. | ADH |
B. | Angiotensinogen |
C. | Angiotensin II |
D. | Angiotensin I |
Answer» D. Angiotensin I | |
5. |
Which of these hormones converts angiotensinogen to angiotensin I? |
A. | Aldosterone |
B. | ADH |
C. | Angiotensin II |
D. | Renin |
Answer» E. | |
6. |
Aldosterone decreases the reabsorption of sodium ions. True or false? |
A. | True |
B. | False |
Answer» C. | |
7. |
A fall in GFR can stimulate the juxtaglomerular cells to release which hormone from the kidney? |
A. | Angiotensinogen |
B. | ADH |
C. | Renin |
D. | Angiotensin I |
Answer» D. Angiotensin I | |
8. |
On which of these does ADH act upon? |
A. | Glomerulus |
B. | Loop of Henle |
C. | PCT |
D. | Collecting duct |
Answer» E. | |
9. |
Which of the following can increase GFR? |
A. | Increase in blood pressure |
B. | Decrease in blood pressure |
C. | Increased Bowman’s capsule hydrostatic pressure |
D. | Ureteral constriction |
Answer» B. Decrease in blood pressure | |
10. |
Which of these hormones do not lead to the constriction of blood vessels? |
A. | Epinephrine |
B. | Angiotensin II |
C. | ANF |
D. | ADH |
Answer» D. ADH | |
11. |
Which of these is not a function of ADH? |
A. | Stimulates water reabsorption |
B. | Decreases blood pressure |
C. | Prevents diuresis |
D. | Decreases perspiration |
Answer» C. Prevents diuresis | |
12. |
Where is vasopressin released from? |
A. | Neurohypophysis |
B. | Pineal gland |
C. | Adrenal gland |
D. | Pancreas |
Answer» B. Pineal gland | |
13. |
What is another name for ADH? |
A. | Oxytocin |
B. | Noradrenaline |
C. | Vasopressin |
D. | Ghrelin |
Answer» D. Ghrelin | |
14. |
Which of these do not activate osmoreceptors? |
A. | Blood volume |
B. | Body fluid volume |
C. | Homoeostasis |
D. | Ionic concentration |
Answer» D. Ionic concentration | |
15. |
Which of these are not involved in the regulation of kidney function? |
A. | Hypothalamus |
B. | Heart |
C. | JGA |
D. | Spleen |
Answer» E. | |