Pharmacology - Autonomic Nervous System (ANS)

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  • Created by: Eltanova
  • Created on: 15-10-20 15:50

1. An elderly man ingested a large quantity of carvedilol tablets, a drug that blocks alpha 1, beta 1 and beta 2 adrenergic receptors, which mainly mediate the cardiovascular effects of epinephrine and norepinephrine. Which symptom would you expect to see?

  • Increased blood pressure
  • Bradycardia
  • Tachycardia
  • Mydriasis (dilation of the pupil)
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2. A patient describes faecal incontinence since starting her new prescribed drugs. This is a side effect of the drug. What part of the ANS is this involving?

  • Parasympathetic system
  • Central nervous system
  • Sympathetic system
  • Enteric neuron system

3. "Rest and Digest" refers to the sympathetic system, of generally conserving energy

  • False
  • True

4. Which statement is accurate, regarding efferent neurons?

  • None of the above
  • Signals from an organ to the CNS
  • Signals from the CNS to an organ
  • All of the above

5. Which of the following changes could theoretically happen in a person when the parasympathetic system is inhibited using a pharmacological agent?

  • Contraction of detrusor muscle in the bladder
  • Xerostomia (dry mouth)
  • Reduction in heart rate
  • Miosis (constriction of the pupil)
  • Increase in gastric motility
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