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Urinary System and Dehydration Quiz

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Questions and Answers

What is the function of natriuretic hormone in diabetic kidney disease?

Causes vasodilation

Opposes aldosterone and causes Na+ secretion (correct)

Stimulates ADH release

Promotes Na+ reabsorption

Which hormone increases Ca++ reabsorption and blocks phosphate reabsorption?

Aldosterone

Renin

Parathyroid hormone (PTH) (correct)

Erythropoietin (EPO)

In what locations are the baroreceptors found to check blood pressure?

Kidneys and bladder

Heart and lungs

Intestines and liver

Aorta and carotid sinuses (correct)

How does caffeine affect the nephron function?

Promotes vasodilation in the nephron Signup and view all the answers

What is the primary function of Vitamin D synthesis?

Enhances erythropoiesis Signup and view all the answers

How does the kidney contribute to acid/base homeostasis?

By regulating hydrogen ions balance Signup and view all the answers

What is the main function of the nephrons in the kidney?

Maintain homeostatic balance of plasma and excrete potential toxins Signup and view all the answers

What is the purpose of the macula densa in the kidney?

Regulate renin release based on plasma osmolarity Signup and view all the answers

What does anuria, or excreting less than 50 mL of urine per day, indicate?

Kidney disease Signup and view all the answers

Which process involves substances being reabsorbed by active transport, diffusion, facilitated diffusion, secondary active transport, and osmosis?

Tubular reabsorption Signup and view all the answers

What causes systemic edema in the body?

Low osmotic pressure in circulating blood Signup and view all the answers

Which part of the kidney is responsible for releasing hormones that regulate blood pressure?

Tuboglomerular apparatus Signup and view all the answers

What is the function of the collecting ducts in the kidney?

Reabsorb sodium under the influence of aldosterone Signup and view all the answers

How does aldosterone influence the distal convoluted tubule (DCT) function?

Increase water reabsorption Signup and view all the answers

Which substance is recycled in the proximal convoluted tubule (PCT) to aid in bicarbonate recovery?

Hydrogen ions Signup and view all the answers

What is the main function of the renal co in glomerular filtration?

Push solutes through filtration slits into Bowman's capsule Signup and view all the answers