Human Anatomy & Physiology: The Urinary System
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Questions and Answers

What is the primary function of the urinary system in terms of waste management?

  • Elimination of nitrogenous wastes (correct)
  • Production of red blood cells
  • Regulation of electrolytes
  • Activation of vitamin D

What is the location of the kidneys in the body?

  • Against the dorsal body wall at the level of T12 to L3 (correct)
  • In the pelvic cavity
  • Against the ventral body wall
  • At the level of L4 to S1

What is the function of the adipose capsule surrounding the kidney?

  • To filter blood and form urine
  • To produce erythropoietin
  • To provide protection to the kidney and keep it in its correct location (correct)
  • To regulate blood pressure

What is one of the ways the urinary system regulates homeostasis?

<p>By maintaining acid-base balance in the blood (D)</p> Signup and view all the answers

What organ is responsible for the activation of vitamin D?

<p>Kidney (A)</p> Signup and view all the answers

What is the function of the ureters in the urinary system?

<p>To transport urine from the kidneys to the urinary bladder (A)</p> Signup and view all the answers

What is the primary function of the nephrons in the kidneys?

<p>to filter waste and excess fluids from the blood (A)</p> Signup and view all the answers

What type of arterioles are attached to the glomerulus to maintain high pressure?

<p>Large afferent arterioles (C)</p> Signup and view all the answers

What is the name of the cup-shaped structures that funnel urine towards the renal pelvis?

<p>Calyces (D)</p> Signup and view all the answers

What is the outer region of the kidney?

<p>Renal cortex (A)</p> Signup and view all the answers

What is the function of the podocytes in the glomerulus?

<p>to cover the capillaries of the glomerulus (B)</p> Signup and view all the answers

What is the name of the triangular regions of tissue in the renal medulla?

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

What is the primary function of the glomerular capsule?

<p>Filtration of water and solutes from the blood (C)</p> Signup and view all the answers

What is the location of cortical nephrons in the kidney?

<p>Entirely in the cortex (D)</p> Signup and view all the answers

What is the function of peritubular capillaries?

<p>Reabsorption of some substances from the collecting tubes (C)</p> Signup and view all the answers

What is the process by which water and solutes smaller than proteins are forced through capillary walls?

<p>Filtration (D)</p> Signup and view all the answers

What is the name of the tubule that follows the glomerular capsule?

<p>Proximal convoluted tubule (B)</p> Signup and view all the answers

What is the process by which substances are removed from the blood and added to the filtrate?

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

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