Using a stepwise approach to managing asthma, a nurse teaches a patient who is at step 1 that their albuterol MDI (Proventil) is used:

If nighttime awakenings occur more than 2 days per week

Twice daily combined with an inhaled glucocorticoid

Only with a long-acting beta2 agonist (LABA)

As a rescue inhaler as needed for asthma symptoms

Answer and Explanation

The Correct Answer is D

Choice A reason: Nighttime awakenings more than twice weekly indicate step 2, requiring maintenance therapy. Step 1 uses albuterol as needed, so this is incorrect.

Choice B reason: Twice-daily glucocorticoids are for step 2 or higher, not step 1, where albuterol is used as needed. This is incorrect for step 1 management.

Choice C reason: LABAs are used in step 3 or higher, not step 1, where albuterol alone is sufficient as needed. This is incorrect for the asthma step.

Choice D reason: At step 1, albuterol is used as a rescue inhaler for acute asthma symptoms. This is the standard approach, making it the correct choice.

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Correct Answer is ["A","C","D"]

Explanation

Choice A reason: Benzonatate suppresses cough by anesthetizing stretch receptors in the respiratory tract, reducing the cough reflex. It acts locally on nerve endings in the lungs and pleura, effectively decreasing cough frequency without systemic opioid effects, making it an appropriate choice for cough suppression.

Choice B reason: Guaifenesin is an expectorant, promoting mucus clearance by thinning secretions, not suppressing the cough reflex. It facilitates productive coughing rather than inhibiting it, making it ineffective for cough suppression and an incorrect choice for this indication in managing cough symptoms.

Choice C reason: Dextromethorphan suppresses cough by acting on the medulla’s cough center, reducing the urge to cough. As a non-opioid antitussive, it effectively controls non-productive cough without significant respiratory depression, making it a suitable and correct choice for cough suppression in various conditions.

Choice D reason: Codeine, an opioid, suppresses cough by acting on the central nervous system’s cough center, reducing reflex activity. It’s effective for non-productive cough but carries risks of sedation and dependency, making it a correct but cautiously used choice for cough suppression.

A. 5 mL B. 6 mL C. 4 mL D. 2 mL

Correct Answer is D

Explanation

Choice A reason: To calculate volume, divide the ordered dose (40 mg) by the concentration (20 mg/mL): 40 ÷ 20 = 2 mL. Choice A (5 mL) delivers 100 mg (5 × 20), far exceeding the ordered dose, risking fluid and electrolyte imbalances, making it incorrect for safe administration.

Choice B reason: The correct volume is 40 mg ÷ 20 mg/mL = 2 mL. Choice B (6 mL) delivers 120 mg (6 × 20), significantly overdosing Lasix, which could cause severe dehydration, hypokalemia, or hypotension. This excessive dose is unsafe and incorrect for the prescribed administration.

Choice C reason: Calculating 40 mg ÷ 20 mg/mL yields 2 mL. Choice C (4 mL) delivers 80 mg (4 × 20), doubling the ordered dose. This could lead to excessive diuresis, electrolyte disturbances, or hypotension, making it an incorrect and potentially harmful choice for administration.

Choice D reason: Dividing the ordered dose (40 mg) by the concentration (20 mg/mL) gives 40 ÷ 20 = 2 mL. This volume accurately delivers the prescribed 40 mg of Lasix, ensuring effective diuresis for conditions like edema or heart failure while minimizing risks, making it the correct choice.

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Using a stepwise approach to managing asthma, a nurse teaches a patient who is at step 1 that their albuterol MDI (Proventil) is used:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which medication is indicated for suppression of cough? (Select all that apply)

Correct Answer is ["A","C","D"]

Explanation

The healthcare provider orders Lasix 40 mg IV now. The concentration available is Lasix 20 mg/mL. How many mL will the patient receive?

Correct Answer is D

Explanation

A patient is to receive a beta agonist. Before administration of this medication, which assessment finding would most concern the nurse?

A patient is brought to the emergency department with shortness of breath, a respiratory rate of 30 breaths per minute, intercostal retractions, and frothy, pink sputum. The nurse caring for this patient will expect to administer which drug?

A nurse is discussing how beta blockers work to decrease blood pressure with a nursing student. Which statement by the student indicates a need for further teaching?

What are considered the ‘Big Three’ properties of an ideal drug? (Select all that apply)

A patient is admitted with severe hypertensive crisis. The nurse will anticipate administering which medication?

A provider has ordered captopril [Capoten] for a patient who has hypertension. The patient reports a history of swelling of the tongue and lips after taking enalapril [Vasotec] in the past. Which action by the nurse is correct?

Name the imbalance using the following Arterial Blood Gas (ABG) values: pH 7.32, PaCO2 <37, HCO3- <24

The nurse should monitor for which potential clinical manifestation after administering furosemide (Lasix)?