For which client would the use of a phenothiazine most likely be contraindicated?

A client being treated for a traumatic brain injury.

A client with a history of ischemic heart disease.

A pediatric client.

A client with type 2 diabetes.

Answer and Explanation

The Correct Answer is A

Phenothiazines are contraindicated in patients with suspected or established subcortical brain damage. Phenothiazines are a class of drugs that have antipsychotic, antiemetic, and sedative effects. They act by blocking dopamine receptors in the brain and can cause extrapyramidal symptoms, hypotension, and anticholinergic effects.

Choice B is wrong because phenothiazines are not contraindicated in patients with ischemic heart disease.

However, they can cause orthostatic hypotension and cardiac arrhythmias, so they should be used with caution and monitored closely in these patients.

Choice C is wrong because phenothiazines are not contraindicated in pediatric patients.

However, they can cause sedation, hypotension, and extrapyramidal symptoms, so they should be used with caution and at lower doses in these patients.

Choice D is wrong because phenothiazines are not contraindicated in patients with type 2 diabetes.

However, they can cause hyperglycemia and weight gain, so they should be used with caution and monitored closely in these patients.

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Free Nursing Study Resources

Correct Answer is C

Explanation

The nurse should question an order for bismuth salts for a client with an allergy to aspirin because bismuth salts contain salicylates, which are chemically related to aspirin and can cause allergic reactions.

Choice A is wrong because rheumatoid arthritis is not a contraindication for bismuth salts.

Bismuth salts may have anti-inflammatory effects that could benefit clients with rheumatoid arthritis.

Choice B is wrong because viral gastroenteritis is not a contraindication for bismuth salts.

Bismuth salts may help reduce diarrhea and inflammation caused by viral gastroenteritis.

Choice D is wrong because hypertension is not a contraindication for bismuth salts.

Bismuth salts do not affect blood pressure or interact with antihypertensive medications.

A. Avoid eating or drinking for 6 hours before the trip. B. Take the medication 30 minutes before departing. C. Take two doses if relief is not achieved. D. Increase fluid intake to prevent urinary retention.

Correct Answer is B

Explanation

This is because antiemetics should be given to prevent motion sickness rather than after nausea or vomiting develop. Taking the medication 30 minutes before departing allows enough time for the drug to be absorbed and reach its peak effect.

Choice A is wrong because avoiding eating or drinking for 6 hours before the trip may cause dehydration and low blood sugar, which can worsen nausea and vomiting.

It is better to eat a light meal or snack before the trip and avoid spicy, greasy, or acidic foods.

Choice C is wrong because taking two doses if relief is not achieved may cause overdose and adverse effects.

Antiemetics should be taken as prescribed and not exceeded without consulting a doctor.

Choice D is wrong because increasing fluid intake to prevent urinary retention is not relevant for motion sickness.

Urinary retention is a possible side effect of some antiemetics, such as anticholinergics, but it is not a common problem for most people.

Fluid intake should be moderate and not excessive to avoid stomach distension.

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For which client would the use of a phenothiazine most likely be contraindicated?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse should question an order for bismuth salts for a client with what condition?

Correct Answer is C

Explanation

A client who is prone to motion sickness is going on a fishing trip on a boat and has been prescribed an antiemetic. What action should the nurse recommend?

Correct Answer is B

Explanation

The nurse is caring for a client newly diagnosed with hypothyroidism. The client also takes theophylline to control asthma symptoms. What change may need to be made to the client’s theophylline dose?

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