Calyx is characterized by

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Urinary and Renal System Questions Questions

Question 1 of 5

Calyx is characterized by:

A. The inner region of the kidney. B. A cuplike urine collection cavity found in the kidney. C. Presence of bacteria in the urine. D. Painful urination.

Correct Answer: B

Rationale: Calyx is a cuplike structure collecting urine in the renal pelvis.

Question 2 of 5

What is the resulting effect of renin being released by the kidney?

A. Angiotensin II is formed B. aldosterone is released C. macula densa sends paracrine message to afferent arterioles. D. efferent arterioles are constricted

Correct Answer: A

Rationale: Renin triggers angiotensin II formation, affecting blood pressure.

Question 3 of 5

The kidneys produce all of the following except one. Which one?

A. the enzyme renin B. the hormone erythropoietin C. antidiuretic hormone D. the vitamin calcitriol

Correct Answer: C

Rationale: ADH is from hypothalamus, not kidneys.

Question 4 of 5

What effect does aldosterone have?

A. increases the absorption of Na+ from the kidney tubules. B. makes the kidney tubules more permeable to water. C. catalyses the formation of angiotensin I. D. blocks the release of ADH

Correct Answer: A

Rationale: Aldosterone boosts sodium reabsorption in tubules.

Question 5 of 5

Which one of the statements about the collecting ducts is true? The collecting duct absorbs:

A. calcium if parathyroid hormone is present. B. water if antidiuretic hormone is present. C. sodium if atrial natriuretic hormone is NOT present. D. urea.

Correct Answer: B

Rationale: ADH enables water reabsorption in collecting duct.

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Calyx is characterized by:

Nurselytic

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Urinary and Renal System Questions Questions

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