While being intubated, a client with a head injury experienced bradycardia. Atropine was consequently administered. What assessment should be postponed until all atropine is excreted and no longer exerting an effect?

CT of the brain

Electroencephalogram

Brain stem reflexes

Pupil response

Answer and Explanation

The Correct Answer is C

A.   CT of the brain can proceed regardless of atropine administration, as it does not directly affect the assessment of brain stem reflexes.
B.   Electroencephalogram (EEG) can also proceed regardless of atropine administration, as it evaluates brain electrical activity rather than brain stem reflexes.
C.   Assessment of brain stem reflexes should be postponed until all atropine is excreted and no

longer exerting its effects. Atropine can mask or alter the pupillary response and other brain stem reflexes, such as gag reflex and cough reflex, which are important indicators of neurological function.
D. Pupil response assessment should be postponed until atropine effects have dissipated, as

atropine can cause pupillary dilation, which may interfere with accurate assessment of pupil size and reactivity

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Correct Answer is A

Explanation

A. The last dose of medication should be given 4 to 6 hours before bedtime to diminish insomnia: Methylphenidate is a stimulant medication commonly used to treat ADHD.
Administering it at bedtime may interfere with sleep onset and lead to insomnia. It's important to follow the prescribed dosing schedule to optimize symptom control during waking hours while minimizing adverse effects on sleep.
B. The medication should be taken with meals for optimal absorption: While taking

methylphenidate with meals may help reduce gastrointestinal side effects, the timing of administration relative to bedtime is more relevant to address in this scenario.
C. The medication should not be taken until he is at school: Delaying medication until the child is at school may result in inadequate symptom control during the morning when ADHD
symptoms are often most problematic.

D. She is giving him the medication dosage appropriately: Administering methylphenidate at bedtime is not appropriate and may lead to insomnia rather than optimizing symptom control during the day.

A. Dobutamine B. Atropine sulfate C. Atenolol D. Bethanechol

Correct Answer is B

Explanation

A. Dobutamine is a sympathomimetic drug used to increase cardiac output in conditions such as heart failure. It is not an antidote for cholinergic drug overdose.
B. Atropine sulfate is the antidote for cholinergic drug overdose. It acts as a competitive antagonist to acetylcholine at muscarinic receptors, counteracting the effects of excessive cholinergic stimulation.
C. Atenolol is a beta-blocker used to manage hypertension and certain cardiac conditions. It is not an antidote for cholinergic drug overdose.
D. Bethanechol is a cholinergic agonist used to stimulate bladder contractions in urinary retention. It is not an antidote for cholinergic drug overdose; in fact, it would exacerbate cholinergic effects.

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While being intubated, a client with a head injury experienced bradycardia. Atropine was consequently administered. What assessment should be postponed until all atropine is excreted and no longer exerting an effect?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

A patient has had an overdose of an intravenous cholinergic drug. The nurse expects to administer which drug as an antidote?

Correct Answer is B

Explanation

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