Endocrine System Quiz

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Questions and Answers

What is the primary role of hormones in the body?

  • To facilitate the exocrine function
  • To pump blood throughout the body
  • To produce digestive enzymes
  • To regulate body functions (correct)

Which organ is NOT a part of the endocrine system?

  • Liver (correct)
  • Pituitary gland
  • Pancreas
  • Thyroid gland

How do endocrine glands secrete hormones?

  • Directly into the bloodstream (correct)
  • Into ducts
  • Into the stomach
  • Through the nervous system

What is the function of the hypothalamus in the endocrine system?

<p>To control hormone secretion of the pituitary gland (D)</p> Signup and view all the answers

What hormone is NOT produced by the pituitary gland?

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

What type of hormones are produced by the thyroid gland?

<p>T3 and T4 (D)</p> Signup and view all the answers

Which cells secrete hydrochloric acid, which activates pepsinogen to form pepsin?

<p>Parietal cells (C)</p> Signup and view all the answers

What is the primary function of the liver in digestion?

<p>Storing and concentrating bile (B)</p> Signup and view all the answers

What is the function of the pancreas in digestion?

<p>Secreting digestive enzymes and bicarbonate (D)</p> Signup and view all the answers

What adaptation of the small intestine mucosa increases its surface area for absorption?

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

Which of the following is NOT a function of the gallbladder?

<p>Producing digestive enzymes (B)</p> Signup and view all the answers

What is the result of hydrochloric acid activating pepsinogen?

<p>Formation of pepsin (D)</p> Signup and view all the answers

Which of the following organs are responsible for the production of hydrochloric acid?

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

What is the function of mucus in the gastric mucosa?

<p>To protect the stomach lining (C)</p> Signup and view all the answers

Which of the following cells secrete pepsinogen in the gastric mucosa?

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

What is the role of gastrin in the stomach?

<p>To stimulate acid secretion (D)</p> Signup and view all the answers

How is pepsin formed in the stomach?

<p>Hydrochloric acid activates pepsinogen (C)</p> Signup and view all the answers

What is the primary function of hydrochloric acid in the stomach?

<p>To activate pepsinogen to form pepsin (C)</p> Signup and view all the answers

Which cells in the stomach produce hydrochloric acid?

<p>Parietal cells (C)</p> Signup and view all the answers

What is the function of the liver in the digestive system?

<p>Secretion of bile into the small intestine (D)</p> Signup and view all the answers

Which of the following is a function of the intestinal mucosa?

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

What is the role of pepsin in the digestive system?

<p>Breakdown of proteins (D)</p> Signup and view all the answers

Which of the following organs produces digestive enzymes?

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

What is the role of bile salts in the digestive system?

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

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