A client has a past medical history of coronary artery disease and emphysema.
The nurse knows which agent is safest to give?

Oxygen at 6 liters per minute via nasal cannula.

Ipratropium via metered dose inhaler.

Propranolol by oral administration.

An organic herbal supplement.

Answer and Explanation

The Correct Answer is B

Choice A rationale

Administering oxygen at 6 liters per minute via nasal cannula risks hypercapnia in a client with emphysema due to impaired CO2 elimination. Oxygen should be titrated to maintain safe saturation levels, usually 88–92%.

Choice B rationale

Ipratropium is a bronchodilator that safely alleviates airway constriction in emphysema without systemic cardiovascular effects, making it suitable for a client with coronary artery disease and chronic obstructive pulmonary conditions.

Choice C rationale

Propranolol is contraindicated in emphysema due to its beta-blocking effects, which may exacerbate bronchoconstriction and reduce respiratory function, posing a significant risk to the client’s health.

Choice D rationale

Organic herbal supplements lack evidence-based safety and efficacy, especially in complex medical conditions like coronary artery disease and emphysema. They can also interact adversely with prescribed medications.

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Correct Answer is C

Explanation

Choice A rationale

Sleeping on the operative side increases pressure on the eye, risking complications like increased intraocular pressure and disrupted healing of surgical incisions. Postoperative care avoids this positioning.

Choice B rationale

Lifting items over 5-10 pounds risks increased intraocular pressure. Guidelines usually limit lifting to light objects, not 30 pounds. Heavy lifting can cause strain affecting surgical recovery.

Choice C rationale

Eye shields protect the operative site during sleep, preventing accidental trauma, while glasses shield from debris during daytime. These preventive measures support proper healing and recovery post-cataract surgery.

Choice D rationale

Avoiding eye drops disrupts healing as prescribed medications manage inflammation and prevent infections after surgery. Proper use of eye drops supports post-surgical recovery effectively.

A. Bipolar disorder. B. Pre-existing liver disease. C. Asthma. D. Migraine headaches.

Correct Answer is B

Explanation

Choice A rationale

Bipolar disorder is an approved indication for valproic acid use. It helps stabilize mood swings, particularly mania, making it a suitable treatment rather than a contraindication.

Choice B rationale

Pre-existing liver disease contraindicates valproic acid because it increases the risk of hepatic toxicity and liver failure. Liver function must be closely monitored in all patients receiving this drug.

Choice C rationale

Asthma is not affected by valproic acid use as the drug targets neurological pathways and does not impact respiratory or bronchial systems significantly.

Choice D rationale

Valproic acid is used to treat migraines and seizures. It prevents the occurrence of severe headaches through stabilization of neuronal activity, making this an appropriate rather than contraindicated use. .

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A client has a past medical history of coronary artery disease and emphysema.The nurse knows which agent is safest to give?

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Naxlex Comprehensive Predictor Exams

The client is being discharged from the ambulatory care unit following cataract removal.The nurse provides instructions regarding home care.Which of the following, if stated by the client, indicates an understanding of the instructions?

Correct Answer is C

Explanation

The nurse knows that an important contraindication for valproic acid use is:

Correct Answer is B

Explanation

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A client has a past medical history of coronary artery disease and emphysema.The nurse knows which agent is safest to give?

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A client has a past medical history of coronary artery disease and emphysema.
The nurse knows which agent is safest to give?