Correct Answer: C

Rationale: During an asthma attack, hypoxemia can lead to inadequate oxygen supply to the brain, causing symptoms like restlessness, confusion, and agitation. These manifestations result from the body's response to low oxygen levels, aiming to increase oxygenation. Nausea, dysphagia, and hypotension are not typical manifestations of hypoxemia during an asthma attack.

Correct Answer: B

Rationale: The correct answer is Fluticasone. Carvedilol, Captopril, and Isosorbide dinitrate are commonly used in heart failure management and do not typically pose significant risks for clients with a history of asthma. However, Fluticasone is a corticosteroid used to manage asthma but can potentially worsen heart failure symptoms due to its anti-inflammatory effects. Therefore, the nurse should seek clarification regarding the prescription of Fluticasone for a client with heart failure and a history of asthma.

Correct Answer: D

Rationale: During an acute asthma exacerbation, the priority intervention is to administer a nebulized beta-adrenergic medication, such as albuterol, to help open the airways and improve breathing. This action helps address the underlying cause of the exacerbation. Oxygen therapy may be needed but is not the priority over administering the bronchodilator. Providing rest and positioning the client in high-Fowler's are important but come after administering the medication to address the immediate breathing difficulties.

Correct Answer: C

Rationale: During an asthma attack, hypoxemia can lead to inadequate oxygen supply to the brain, causing symptoms like restlessness, confusion, and agitation. These manifestations result from the body's response to low oxygen levels, aiming to increase oxygenation. Nausea, dysphagia, and hypotension are not typical manifestations of hypoxemia during an asthma attack.

Correct Answer: B

Rationale: Atelectasis is a condition where the alveoli in the lungs collapse, leading to impaired gas exchange. As a result, the client may experience increasing dyspnea (difficulty breathing) due to the decreased lung capacity for oxygen exchange. Facial flushing, decreasing respiratory rate, and friction rub are not typically associated with atelectasis.