A nurse is caring for a client who takes an over-the-counter (OTC) sleep aid medication every evening. Which of the following findings should th nurse identify as a potential adverse effect of OTC sleep aid medications?

Hyperactivity

Diarrhea

Excessive salivation

Urinary retention

Answer and Explanation

The Correct Answer is D

A. Hyperactivity is not a common adverse effect of OTC sleep aids. These medications, which often contain antihistamines such as diphenhydramine, are generally sedating rather than stimulating, and they are more likely to cause drowsiness, grogginess, or confusion, especially in older adults.

B. Diarrhea is not typically associated with OTC sleep aids. While gastrointestinal upset can occasionally occur with any medication, diarrhea is not a characteristic or common adverse effect of these sedating agents.

C. Excessive salivation is not commonly seen with OTC sleep aids. In fact, antihistamine-containing sleep aids more often cause dry mouth rather than increased salivation due to their anticholinergic effects.

D. Urinary retention is a potential adverse effect of OTC sleep aids that contain antihistamines. Anticholinergic properties of these medications can reduce bladder detrusor muscle activity, making it difficult for clients to empty the bladder. This effect is particularly concerning in older adults or clients with preexisting urinary issues such as benign prostatic hyperplasia.

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Correct Answer is A

Explanation

A. Hypocretin (also called orexin) is a neuropeptide produced in the hypothalamus that plays a critical role in regulating wakefulness, arousal, and REM sleep. In narcolepsy type 1 (NT1), the body’s immune system often mistakenly attacks and destroys the hypocretin-producing neurons. The resulting deficiency leads to the hallmark symptoms of NT1: excessive daytime sleepiness, sudden onset of REM sleep, and cataplexy—brief episodes of muscle weakness triggered by strong emotions such as laughter, anger, or surprise. Recognizing hypocretin deficiency as the underlying cause helps the nurse understand why pharmacologic interventions (such as stimulants, sodium oxybate, or wake-promoting agents) and behavioral strategies (scheduled naps, sleep hygiene) are essential in management.

B. Melatonin is a hormone secreted by the pineal gland that regulates the body’s circadian rhythm and promotes sleep onset at night. While melatonin influences the timing of sleep, a deficiency does not cause narcolepsy or cataplexy, and supplements typically do not improve the daytime sleepiness characteristic of NT1.

C. Estrogen is a sex hormone that regulates reproductive functions and secondary sexual characteristics. It does not play a role in the neurochemical mechanisms that control wakefulness or muscle tone and is unrelated to narcolepsy.

D. Insulin is a pancreatic hormone essential for glucose metabolism. While hypoglycemia can cause fatigue or sleepiness, insulin deficiency or excess is not implicated in the pathophysiology of narcolepsy, and insulin therapy does not affect cataplexy or REM sleep regulation.

A. Sleep-wake homeostasis B. Sensory overload C. Sleep deprivation D. Increased melatonin E. Decreased hypocretin levels

Correct Answer is E

Explanation

A. Sleep-wake homeostasis refers to the balance between sleep and wakefulness. Disruptions in this balance, such as irregular sleep schedules or poor sleep quality, can trigger migraines by affecting neurochemical and vascular regulation in the brain.

B. Migraine triggers often include excessive sensory stimulation, such as bright lights, loud noises, or strong odors. Sensory overload can increase neuronal excitability and provoke migraine attacks.

C. Insufficient or poor-quality sleep is a well-documented trigger for migraines. Sleep deprivation can increase cortical excitability, alter pain modulation pathways, and contribute to the recurrence of headaches.

D. Melatonin generally has a protective effect against migraines because it helps regulate the sleep-wake cycle and has anti-inflammatory and antioxidant properties. Low melatonin levels, rather than increased levels, are more often associated with migraine susceptibility.

E. Hypocretin (also called orexin) is a neurotransmitter that regulates wakefulness and sleep. Decreased hypocretin levels are associated with sleep disturbances and may contribute to migraine pathophysiology by affecting pain modulation and sleep regulation.

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A nurse is caring for a client who takes an over-the-counter (OTC) sleep aid medication every evening. Which of the following findings should th nurse identify as a potential adverse effect of OTC sleep aid medications?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has narcolepsy (NT1) with cataplexy. The nurse should identify that this condition is caused by a lack of which of the following hormones?

Correct Answer is A

Explanation

Correct Answer is E

Explanation

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