A nurse is assessing a client prior to administering atenolol. Which of the following findings should prompt the nurse to withhold the medication?

Choice A reason: Blood pressure 160/94 mm Hg is not a reason to withhold atenolol, as it is a beta-blocker that lowers blood pressure and reduces the workload of the heart. Atenolol is indicated for hypertension, angina, and arrhythmias. The nurse should administer atenolol as prescribed, unless the blood pressure is too low (hypotension).

Choice B reason: Heart rate 46/min is a reason to withhold atenolol, as it is a sign of bradycardia (slow heart rate), which can be a side effect of atenolol. Atenolol can decrease the heart rate by blocking the beta-1 receptors in the heart. The nurse should withhold atenolol if the heart rate is below 60 beats per minute or above 100 beats per minute, and report the finding to the provider.

Choice C reason: Oxygen saturation 95% is not a reason to withhold atenolol, as it is a normal value that indicates adequate oxygenation of the blood. Atenolol does not affect the oxygen saturation or the respiratory function. The nurse should monitor the oxygen saturation regularly, and report any signs of hypoxia (low oxygen level).

Choice D reason: Respiratory rate 18/min is not a reason to withhold atenolol, as it is a normal value that indicates normal breathing. Atenolol does not affect the respiratory rate or the respiratory function. The nurse should monitor the respiratory rate regularly, and report any signs of dyspnea (difficulty breathing).

Choice A reason: Taking this medication with food is not necessary, as lisinopril can be taken with or without food. Food does not affect the absorption or effectiveness of lisinopril.

Choice B reason: Facial swelling is not an expected effect of this medication, but a serious adverse reaction that indicates angioedema. Angioedema is a life-threatening condition that causes swelling of the face, tongue, throat, and airway. It requires immediate medical attention and discontinuation of lisinopril.

Choice C reason: Reporting a cough to the provider is an important instruction, as a cough is a common and annoying side effect of lisinopril. Lisinopril belongs to the class of angiotensin-converting enzyme (ACE) inhibitors, which can cause a dry, persistent, nonproductive cough. The cough may interfere with the client's quality of life and adherence to the medication. The provider may prescribe an alternative medication, such as an angiotensin II receptor blocker (ARB), to avoid the cough.

Choice D reason: Increasing the intake of potassium-rich foods is not advisable, as lisinopril can cause hyperkalemia (high potassium levels) due to decreased potassium excretion in the urine. Clients should monitor their potassium levels and avoid excessive intake of potassium supplements or foods, such as bananas, oranges, potatoes, and tomatoes.