Urinary System Anatomy and Functions
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Questions and Answers

Which nerve plays a crucial role in regulating appetite and satiety?

  • Vagus nerve (CN X) (correct)
  • Glossopharyngeal nerve
  • Hypoglossal nerve
  • Phrenic nerve

What is the primary function of salivary amylase in the oral cavity?

  • Breaking down carbohydrates into simple sugars (correct)
  • Breaking down proteins into peptides
  • Breaking down nucleic acids into nucleotides
  • Breaking down fats into fatty acids

What is the main function of villi in the small intestine?

  • Absorption of nutrients (correct)
  • Mechanical breakdown of food
  • Secretion of digestive enzymes
  • Production of bile salts

What is the primary function of the esophagus in the digestive system?

<p>Transportation of food to the stomach (B)</p> Signup and view all the answers

What is the main function of lingual lipase in the oral cavity?

<p>Breaking down fats into fatty acids (C)</p> Signup and view all the answers

What is the primary function of the parietal cells in the stomach?

<p>Production of hydrochloric acid (D)</p> Signup and view all the answers

What is the percentage of filtrate reabsorbed by the PCT?

<p>65% (D)</p> Signup and view all the answers

What is the function of the juxtaglomerular apparatus?

<p>Regulates GFR without external control (D)</p> Signup and view all the answers

What is the main function of the nephron loop?

<p>Reabsorption of solutes (C)</p> Signup and view all the answers

What is the name of the hormone that increases GFR?

<p>Atrial natriuretic peptide (D)</p> Signup and view all the answers

What is the name of the structure that filters plasma?

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

What is the purpose of the renal capsule?

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

What is the function of the ureters?

<p>Transports urine to the bladder (D)</p> Signup and view all the answers

What is the name of the layer of connective tissue that supports the kidneys?

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

What is the name of the hormone that helps regulate water reabsorption?

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

What is the normal range of urinary pH?

<p>4.5 to 8.2 (D)</p> Signup and view all the answers

Which of the following nerves is involved in the parasympathetic stimulation of salivary secretion?

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

What is the function of the vermillion border of the lips?

<p>Food retention and movement (C)</p> Signup and view all the answers

Which of the following structures is NOT a part of the esophagus?

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

What is the primary function of the circular folds in the small intestine?

<p>Absorption of nutrients (D)</p> Signup and view all the answers

Which salivary gland secretes lysozyme?

<p>All of the above (D)</p> Signup and view all the answers

What is the function of the myenteric plexus in the enteric nervous system?

<p>Control of gut motility (B)</p> Signup and view all the answers

Which of the following is a function of the small intestine?

<p>Absorption of vitamins and minerals (C)</p> Signup and view all the answers

What is the purpose of the salivary enzyme amylase?

<p>Breakdown of carbohydrates (B)</p> Signup and view all the answers

Which of the following is a characteristic of the oral cavity?

<p>Non-keratinized stratified squamous epithelium (A)</p> Signup and view all the answers

What is the function of the lingual lipase in the oral cavity?

<p>Emulsification of fats (D)</p> Signup and view all the answers

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