Endocrine System Chapter 17 Quiz
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Questions and Answers

What is the function of inhibin?

  • Stimulates the release of FSH
  • Inhibits secretion of FSH (correct)
  • Inhibits the development of the female reproductive system
  • Regulates the menstrual cycle

Which hormone prepares the breasts for lactation?

  • hCG
  • hPL (correct)
  • Progesterone
  • Relaxin

What does somatostatin do?

  • Raises blood glucose levels
  • Plays a role in appetite regulation
  • Decreases blood glucose levels
  • Inhibits glucagon and insulin release (correct)

What is the function of cholecystokinin (CCK)?

<p>Stimulates pancreatic enzyme release (D)</p> Signup and view all the answers

Which hormone stimulates erythrocyte production in the bone marrow?

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

What is the function of leptin?

<p>Promotes satiety after a meal (D)</p> Signup and view all the answers

Which region of the adrenal gland is responsible for producing mineralocorticoids like aldosterone?

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

What is the main function of the adrenal medulla during an acute response?

<p>Increases blood pressure (D)</p> Signup and view all the answers

What are the symptoms of Cushing's disease due to hypersecretion of cortisol?

<p>Rapid weight gain and hair loss (A)</p> Signup and view all the answers

What is the role of the Pineal Gland in influencing circadian rhythms?

<p>Produces and secretes melatonin (D)</p> Signup and view all the answers

Which region of the adrenal glands responds to physiological and psychological stress by promoting the fight or flight response?

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

What is the main function of testosterone in the human body?

<p>Develop male reproductive system (C)</p> Signup and view all the answers

What is the primary mechanism of travel for hormones throughout the body?

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

What type of chemical signaling elicits a response in the same cell?

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

Which type of hormones are derived from the lipid cholesterol and are hydrophobic?

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

What is considered the first messenger in the hormone pathway of action?

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

Which type of hormone receptor binds inside the plasma membrane and triggers transcription to mRNA and protein synthesis?

<p>Intracellular hormone receptor (A)</p> Signup and view all the answers

What is the second messenger activated by hydrophilic hormones that initiates a phosphorylation cascade to activate proteins?

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

What does downregulation of cells in response to excessive hormone levels involve?

<p>$Decreasing$ $receptors$ (B)</p> Signup and view all the answers

Which effect occurs when two hormones with similar effects amplify the cell’s response?

<p>$Synergistic$ $effect$ (C)</p> Signup and view all the answers

Where does the pituitary gland connect to the hypothalamus?

<p>$Infundibulum$ (C)</p> Signup and view all the answers

$Oxytocin$ stimulates which physiological processes?

<p>Lactation and uterine contraction (D)</p> Signup and view all the answers

Which hormone stimulates protein synthesis and tissue building?

<p>Growth Hormone (GH) (C)</p> Signup and view all the answers

What is responsible for melanin production in response to UV light or pregnancy?

<p>Melanocyte-Stimulating Hormone (MSH) (C)</p> Signup and view all the answers

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