Nociceptors and Sensory Fibers Quiz
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Questions and Answers

What type of pain sensations do A-Delta fibers transmit?

  • Touch and vibration
  • Dull, aching, or pruritic
  • Itchy or ticklish
  • Sharp, well-localized (correct)

Which type of fibers are stimulated by mechanical, thermal, and chemical nociceptors?

  • A-Delta fibers
  • C-fibers (correct)
  • A-Beta fibers
  • Olfactory neurons

What is the rate of nerve repair per day?

  • 1 km/day
  • 1 μm/day
  • 1 mm/day (correct)
  • 1 cm/day

What type of changes occur in the cell body during local nerve repair?

<p>Swelling and loss of Nissl bodies (B)</p> Signup and view all the answers

What guides the new terminal sprouts during retrograde nerve repair?

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

Where are sympathetic neurotransmitters typically secreted?

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

What is the effect of somatostatin on growth hormone in children under stress?

<p>It inhibits the growth hormone (D)</p> Signup and view all the answers

What is the effect of cortisol on Th1 cells in the body?

<p>It suppresses the production of Th1 cells (C)</p> Signup and view all the answers

What is the effect of glucocorticoids on the brain during chronic stress?

<p>It causes dendritic retraction and cell death (B)</p> Signup and view all the answers

What is the third stage of the general adaptation syndrome?

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

What is the effect of stress on mental health?

<p>It can cause depression, anxiety, and cognitive deficits (B)</p> Signup and view all the answers

What is the purpose of the body's fight or flight response during the alarm stage?

<p>To provide a temporary response to a stressor (B)</p> Signup and view all the answers

What is the direct effect of increased intracellular calcium levels on intracellular activities?

<p>Regulation of intracellular enzyme activities (D)</p> Signup and view all the answers

What type of cells are responsible for secreting hormones in the anterior pituitary?

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

What is the primary function of somatotropins (Growth Hormone) in the body?

<p>Essential for normal tissue growth and maturation (A)</p> Signup and view all the answers

What is the primary function of ADH in the body?

<p>Control of plasma osmolality (B)</p> Signup and view all the answers

What is the effect of angiotensin II on ADH secretion?

<p>Increases ADH secretion (C)</p> Signup and view all the answers

What is the region of the pituitary that stores hypothalamic hormones and secretes them?

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

What is the result of hyperplasia of the thyroid in individuals with hyperthyroidism?

<p>Increased synthesis of T4 and T3 (B)</p> Signup and view all the answers

What is the term for the clubbing appearance of fingers in individuals with hyperthyroidism?

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

What is the cause of thyrotoxic storm in individuals with hyperthyroidism?

<p>Undiagnosed or partially treated hyperthyroidism (D)</p> Signup and view all the answers

What is the primary treatment for thyrotoxic storm?

<p>Drugs to block TH synthesis and beta-blockers (D)</p> Signup and view all the answers

What is the term for the enlargement of the ocular muscles leading to bulging of the eyes in individuals with hyperthyroidism?

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

What is the term for the infiltrative changes involving the orbital contents in individuals with hyperthyroidism?

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

What is the primary cause of Cushing-like syndrome?

<p>Too much glucocorticoids in the body (B)</p> Signup and view all the answers

What is a characteristic feature of weight gain in Cushing-like syndrome?

<p>Accumulation of adipose tissue in the trunk, face, and cervical areas (A)</p> Signup and view all the answers

What is a potential consequence of protein wasting in Cushing-like syndrome?

<p>Muscle weakness and thinning of the limbs (B)</p> Signup and view all the answers

What is a common skin manifestation of Cushing-like syndrome?

<p>Thin, weakened skin with purple striae (C)</p> Signup and view all the answers

What is a potential complication of hypercalciuria in Cushing-like syndrome?

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

What is a potential mental status change associated with Cushing-like syndrome?

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

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