Which statement describes the action of a beta-adrenergic agent for a patient with a respiratory disorder such as asthma?

Bronchodilation.

Decrease in peak expiratory flow.

Thinner respiratory secretions.

Increase in respiratory rate.

Answer and Explanation

The Correct Answer is A

A.   Beta-adrenergic agents (often called bronchodilators) work by stimulating beta-2 adrenergic receptors in the airway smooth muscle, leading to relaxation of the muscles and dilation of the airways. This helps improve airflow and relieve symptoms of asthma.
B.   A beta-adrenergic agent should ideally increase peak expiratory flow (PEF) by dilating the airways and improving airflow, not decrease it.
C.   This is not a direct action of beta-adrenergic agents. While some medications (like mucolytics or certain expectorants) can thin secretions, beta-adrenergic agents primarily focus on bronchodilation and do not significantly affect the viscosity of respiratory secretions.
D.   While beta-adrenergic agents can sometimes cause mild tachycardia (increased heart rate) as a side effect, they are not intended to increase the respiratory rate directly. The primary goal of these medications is to improve airway patency rather than change the rate of breathing.

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Correct Answer is B

Explanation

A. This statement is not necessarily true for every situation. While close contacts of a person with active TB may need to be tested and could receive preventive treatment (especially if they are at high risk), not all family members will automatically need to take medications.
B. A standard treatment regimen for active pulmonary TB typically lasts at least 6 months, and sometimes longer, depending on the specific circumstances (e.g., drug resistance, extent of disease). Consistent adherence to the medication regimen is crucial to ensure effective treatment and prevent the development of drug-resistant TB.
C. The Mantoux test (or tuberculin skin test) may remain positive even after successful treatment for TB, as it indicates past exposure rather than active disease. The decision to discontinue medications is based on clinical and microbiological evaluations, not solely on the Mantoux test result.
D. While it is crucial for the client to complete the full course of prescribed medications, they do not need to take them for life. Treatment typically lasts for 6 to 9 months, and clients should not continue medication indefinitely. It is essential to emphasize adherence to the treatment regimen but also to note that it is finite.

A. Bradycardia B. Hypertension C. Fatigue D. Diarrhea

Correct Answer is C

Explanation

A. Bradycardia, or a slower-than-normal heart rate, is not typically associated with anemia due to blood loss. Instead, anemia often leads to tachycardia (increased heart rate) as the body compensates for the reduced oxygen-carrying capacity of the blood.
B. Hypertension, or elevated blood pressure, is not a common finding in cases of anemia from blood loss. In fact, blood loss often results in hypotension (low blood pressure) due to decreased blood volume and circulating fluid.
C. Fatigue is a common symptom of anemia. As the body's ability to transport oxygen decreases due to the lack of sufficient red blood cells, the client may experience weakness, tiredness, and general fatigue, especially after surgery.
D. Diarrhea is not a typical finding associated with anemia from blood loss. While certain conditions causing anemia (such as gastrointestinal bleeding) could lead to changes in bowel habits, diarrhea itself is not a direct consequence of anemia. Instead, clients may experience symptoms more related to fluid volume status and energy levels.

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Which statement describes the action of a beta-adrenergic agent for a patient with a respiratory disorder such as asthma?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is instructing a client who is newly diagnosed with pulmonary tuberculosis (TB) about the use of antitubercular medications. Which of th following information should the nurse include in the teaching?

Correct Answer is B

Explanation

A nurse is assessing a client who is postoperative and has anemia due to excess blood loss following surgery. Which of the following findings should the nurse expect?

Correct Answer is C

Explanation

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