Cholinergics and Anticholinergics

Descripción

Pharmacology - Bio 528
thomasina413
Test por thomasina413, actualizado hace más de 1 año
thomasina413
Creado por thomasina413 hace alrededor de 11 años
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Resumen del Recurso

Pregunta 1

Pregunta
ACh is released from the terminal of each of the following neurons EXCEPT:
Respuesta
  • sympathetic preganglionic neuron innervating the adrenal medulla
  • sympathetic postganglionic neuron innervating the GI tract
  • parasympathetic postganglionic neuron innervating the pupil of the eye
  • motor nerve innervating skeletal muscle

Pregunta 2

Pregunta
Postsynaptic nicotinic receptors are found at each of the following sites EXCEPT:
Respuesta
  • adrenal medulla
  • sinoatrial node
  • autonomic ganglia
  • skeletal muscle motor end-plate

Pregunta 3

Pregunta
Another name for the sympathetic nervous system outflow is the...
Respuesta
  • thoracolumbar outflow
  • craniosacral outflow
  • somatic outflow
  • autonomic outflow

Pregunta 4

Pregunta
You would MOST AVOID administering which of the following drugs to the patient taking an MAO inhibitor?
Respuesta
  • meperidine
  • ephedrine
  • halothane
  • propranolol

Pregunta 5

Pregunta
Release of neurotransmitter requires the entry of what substance into the nerve terminal?
Respuesta
  • sodium
  • potassium
  • magnesium
  • calcium

Pregunta 6

Pregunta
Which of the following is the correct pairing for sweat glands (division / neurotransmitter)?
Respuesta
  • sympathetic - norepinephrine
  • sympathetic - acetylcholine
  • parasympathetic - norepinephrine
  • parasympathetic - acetylcholine

Pregunta 7

Pregunta
Side effects of cholinesterase inhibitors include each of the following EXCEPT:
Respuesta
  • bradycardia
  • increased salivation
  • bronchoconstriction
  • mydriasis

Pregunta 8

Pregunta
You would avoid which agent if the patient w/ glaucoma is being treated with echothiophate?
Respuesta
  • remifentanyl
  • thiopental
  • mivacurium
  • edrophonium

Pregunta 9

Pregunta
A farmer who one hour ago was spraying his crops with organophosphate insecticide complains of abdominal cramps, muscle weakness, and blurred vision. He is wheezing and bradycardic. Treatment of this condition might reasonably include each of the following agents EXCEPT:
Respuesta
  • physiostigmine
  • atropine
  • diazepam
  • pralidoxime

Pregunta 10

Pregunta
Nerves that conduct the action potential the fastest are:
Respuesta
  • myelinated and have small diameter
  • myelinated and have large diameter
  • unmyelinated and have small diameter
  • unmyelinated and have large diameter

Pregunta 11

Pregunta
Signs and symptoms of the anticholinergic syndrome include:
Respuesta
  • excessive salivation
  • bradycardia
  • excessive sweating
  • mania and hallucinations

Pregunta 12

Pregunta
Which second messenger promotes bronchoconstriction?
Respuesta
  • cGMP
  • inositol triphosphate (IP3)
  • cAMP
  • calmodulin

Pregunta 13

Pregunta
Which of the following agents produces bronchodilation because of its antimuscarinic actions?
Respuesta
  • sodium nitroprusside
  • terbutaline
  • aminophylline
  • ipratropium

Pregunta 14

Pregunta
Which of the following agents produces the greatest increase in HR?
Respuesta
  • scopolamine
  • glycopyrrolate
  • atropine
  • pilocarpine

Pregunta 15

Pregunta
You want to protect the patient from excessive salivation. You also want to PROMOTE sedation. Which drug would be used?
Respuesta
  • glycopyrrolate
  • atropine
  • scopolamine

Pregunta 16

Pregunta
You want to protect the patient from excessive salivation. You also want to AVOID sedation. Which drug would be used?
Respuesta
  • glycopyrrolate
  • atropine
  • scopolamine

Pregunta 17

Pregunta
Which antisialogogue is LEAST effective at reducing salivation?
Respuesta
  • glycopyrrolate
  • atropine
  • scopolamine

Pregunta 18

Pregunta
A farmer who one hour ago was spraying his crops with organophosphate insecticide complains of abdominal cramps, muscle weakness, and blurred vision. He is wheezing and bradycardic. What is he suffering from?
Respuesta
  • anticholinergic overdose
  • cholinergic syndrome or cholinergic crisis
  • anticholinergic syndrome

Pregunta 19

Pregunta
68-year-old patient was given scopolamine preop and atropine with edrophonium to reverse muscle paralysis at the end of the case. In PACU the patient becomes restless, combative and confused. A rash on the upper body is seen. Tachycardia is also present. What is the condition called?
Respuesta
  • anticholinergic syndrome
  • cholinergic syndrome
  • anticholinesterase inhibitor
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