Neurological Review of Systems Questions

Neurological Review of Systems Questions Related

Review Neurological Review of Systems Questions related questions and content

Which type of drug would be an antidote to atropine poisoning?

  • A. nicotinic agonist
  • B. anticholinergic
  • C. muscarinic agonist
  • D. α-blocker
Correct Answer: C

Rationale: The correct answer is C: muscarinic agonist. Atropine is an anticholinergic drug that blocks muscarinic receptors. Therefore, the antidote for atropine poisoning would be a muscarinic agonist, which competes with atropine for binding to muscarinic receptors and reverses its effects. Nicotinic agonist (A) would not be effective as atropine acts on muscarinic receptors, not nicotinic receptors. Anticholinergic (B) is the same class as atropine, so it would not counteract its effects. α-blocker (D) works on a different receptor system and would not be effective in treating atropine poisoning.

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What is an ominous sign of advanced SLE disease?

  • A. Proteinuria from early glomerulonephritis
  • B. Anemia from antibodies against blood cells
  • C. Dysrhythmias from fibrosis of the atrioventricular node
  • D. Cognitive dysfunction from immune complex deposit in the brain
Correct Answer: D

Rationale: Brain involvement is a serious complication.

After a demonstration of isometric (muscle-setting) exercises, which of the following comments by the patient tells you he has understood how to do the exercises?

  • A. I pull on the traction rope to release the tension for 5 seconds and release.
  • B. I draw the kneecap toward the thigh, hold for 5 seconds and relax.
  • C. I lift myself up off the bed for 5 seconds by using the trapeze and relax.
  • D. I turn to my right side, hold for 5 seconds and relax.
Correct Answer: B

Rationale: Isometric exercises involve contracting muscles without movement; drawing the kneecap demonstrates correct technique.

With an action potential, depolarization of the axomembrane is recorded as the gates open, allowing ________ to flow into the axon.

  • A. potassium ions
  • B. H+ ions
  • C. sodium ions
  • D. all of the above
Correct Answer: C

Rationale: During the depolarization phase of an action potential, voltage-gated sodium channels open, allowing sodium ions to flow into the axon. This influx of positively charged ions causes the membrane potential to become more positive, leading to the rapid rise in voltage observed during an action potential. Sodium ion influx is essential for initiating and propagating nerve impulses.

Which medication is the precursor for dopamine?

  • A. retrodopa
  • B. levodopa
  • C. monoamine oxidase
  • D. carbidopa
Correct Answer: B

Rationale: Levodopa is a precursor to dopamine and is the most effective medication for managing the motor symptoms of Parkinson's disease. It crosses the blood-brain barrier and is converted into dopamine in the brain.

Following a knee arthroplasty, a patient has a continuous passive motion machine for the affected joint. The nurse explains to the patient that this device is used for what purpose?

  • A. To relieve edema and pain at the incision site
  • B. To promote early joint mobility and increase knee flexion
  • C. To prevent venous stasis and the formation of a deep venous thrombosis
  • D. To improve arterial circulation to the affected extremity to promote healing
Correct Answer: B

Rationale: Continuous passive motion enhances joint mobility.

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