The nurse is reviewing the use of central nervous system stimulants. Which of these are indications for this class of drugs? (Select all that apply.)

(Select All that Apply.)

Attention deficit hyperactivity disorder (ADHD)

Panic attacks

Narcolepsy

Neonatal apnea

Answer and Explanation

Correct Answer : A,C,E

A. Attention deficit hyperactivity disorder (ADHD) - Correct. CNS stimulants like

methylphenidate and amphetamine derivatives are commonly used to treat ADHD by improving attention, focus, and impulse control.

B. Panic attacks - Incorrect. CNS stimulants are not typically used to treat panic attacks.

Medications such as benzodiazepines or selective serotonin reuptake inhibitors (SSRIs) are more commonly used for panic disorder.

C. Narcolepsy - Correct. CNS stimulants are used to treat narcolepsy, a sleep disorder characterized by excessive daytime sleepiness and sudden attacks of sleep.

D. Neonatal apnea - Incorrect. CNS stimulants are not indicated for neonatal apnea.

Management of neonatal apnea usually involves supportive measures, respiratory support, and caffeine citrate as a respiratory stimulant.

E. Obesity - Correct. CNS stimulants like phentermine are sometimes used as adjuncts to diet and exercise for short-term management of obesity

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Correct Answer is C

Explanation

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

A. Carbidopa prevents the breakdown of levodopa in the periphery. B. Carbidopa is the biologic precursor of dopamine and can penetrate into the central nervous system. C. Carbidopa allows for larger doses of levodopa to be given. D. There are concerns about drug-food interactions with levodopa therapy that do not exist with the combination therapy.

Correct Answer is A

Explanation

A. Carbidopa prevents the breakdown of levodopa in the periphery, specifically in the gastrointestinal tract and peripheral tissues, allowing more levodopa to reach the brain and be converted to dopamine. This enhances the effectiveness of levodopa therapy in managing the symptoms of Parkinson's disease.
B. Carbidopa is not the biologic precursor of dopamine. It is a peripheral decarboxylase inhibitor that does not cross the blood-brain barrier.
C. Carbidopa does not directly allow for larger doses of levodopa to be given. However, by

inhibiting the peripheral breakdown of levodopa, it enhances the availability of levodopa to the central nervous system, potentially improving therapeutic efficacy.
D. While levodopa-carbidopa combination therapy may have fewer drug-food interactions compared to levodopa alone, the primary reason for combining these medications is to enhance the effectiveness of levodopa by preventing its peripheral breakdown.

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The nurse is reviewing the use of central nervous system stimulants. Which of these are indications for this class of drugs? (Select all that apply.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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?

Correct Answer is C

Explanation

A patient has been given a prescription for levodopa-carbidopa for a new diagnosis of Parkinson's disease. The patient asks the nurse, "Why are there two drugs in this pill?" The nurse's best response reflects which fact?

Correct Answer is A

Explanation

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An adrenergic agonist is ordered for a patient in shock. The nurse will note that this drug has had its primary intended effect if which expected outcome occurs?

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