Human Anatomy: The Urinary System

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Questions and Answers

What is the passage of the urethra through the prostate gland in males?

  • Penile urethra
  • Prostatic urethra (correct)
  • Membranous urethra
  • Spongy urethra

Which nerve is responsible for the contraction of the internal urethral sphincter?

  • Pelvic nerve
  • Pelvic splanchnic nerve
  • Hypogastric nerve (correct)
  • Sacral nerve

What is the length of the female urethra?

  • 10 cm
  • 3-4 cm (correct)
  • 20 cm
  • 5-6 cm

Which part of the brain is responsible for integrating the micturition response?

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

What type of epithelium is found near the bladder in the urethra?

<p>Transitional epithelium (C)</p> Signup and view all the answers

What is the name of the muscle that voluntarily inhibits urination?

<p>External urethral sphincter (B)</p> Signup and view all the answers

What is the primary function of the kidneys in the urinary system?

<p>Maintaining the chemical consistency of the blood (C)</p> Signup and view all the answers

Where are the kidneys located in the body?

<p>Retroperitoneally, lateral to T12–L3 vertebrae (B)</p> Signup and view all the answers

What is the term for the process by which the kidneys filter waste and excess substances from the blood?

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

What is the name of the network of autonomic fibers that supplies the kidneys?

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

What is the term for the microscopic functional units of the kidney?

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

What is the name of the collecting duct that receives urine from the distal convoluted tubule?

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

What is the term for the process by which the kidneys reabsorb most nutrients, water, and essential ions from the filtrate?

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

What is the term for the process by which the kidneys actively remove undesirable molecules from the bloodstream?

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

What is the term for the muscular, collapsible tube that carries urine from the kidneys to the urinary bladder?

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

What is the term for the involuntary muscle that surrounds the urethra and helps to regulate urine flow?

<p>Internal urethral sphincter (C)</p> Signup and view all the answers

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