The patient's family is asking questions about the medications used in the treatment for shock. The nurse explains that dopamine is one of the drugs being used and that it works:

(Select All that Apply.)

At high doses, to treat anaphylaxis.

At high doses, to increase cardiac output.

At low doses, to cause increased blood flow to the kidneys.

At low doses, to treat anaphylaxis.

To cause vasoconstriction and increase blood pressure.

Answer and Explanation

Correct Answer : B,C,E

A. At high doses, to treat anaphylaxis: Dopamine is not used to treat anaphylaxis. Anaphylaxis is typically managed with medications such as epinephrine, antihistamines, and corticosteroids.

B. At high doses, to increase cardiac output: Dopamine is a medication commonly used in the treatment of shock, particularly in cases of hypotension. At higher doses, dopamine acts as a positive inotrope and increases cardiac contractility, thereby improving cardiac output and increasing blood pressure.

C. At low doses, to cause increased blood flow to the kidneys: At lower doses, dopamine primarily acts on dopaminergic receptors in the renal vasculature, leading to vasodilation of the renal blood vessels and increased renal perfusion. This can help improve renal blood flow and urine output, making it beneficial in cases of renal hypoperfusion or acute kidney injury.

D. At low doses, to treat anaphylaxis: Dopamine is not used to treat anaphylaxis at any dose. Anaphylaxis is managed with medications such as epinephrine, which acts on multiple receptors to reverse the systemic effects of the allergic reaction.

E. To cause vasoconstriction and increase blood pressure: Dopamine can also cause vasoconstriction, particularly at higher doses. This effect is mediated through its action on alpha-adrenergic receptors, leading to peripheral vasoconstriction and an increase in systemic vascular resistance, which in turn helps increase blood pressure.

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Correct Answer is ["A","B","E"]

Explanation

A. The inside surface of the lungs is small, and the dose is concentrated in that area: Inhalation medications are delivered directly to the lungs, where they are rapidly absorbed due to the small surface area and the close proximity of the medication to the lung tissue.

B. There is a large surface area inside the lungs: The lungs have a large surface area for gas exchange, allowing for efficient absorption of inhaled medications into the bloodstream.

C. Inhaled medications are given at very high doses: Inhaled medications are typically given at therapeutic doses appropriate for the patient's condition. While they may be given in higher doses compared to oral medications in some cases, the dosage is carefully adjusted based on factors such as the patient's age, weight, and severity of the condition.

D. Inhaled medications are given with food: Inhaled medications are typically administered separately from meals. Food can interfere with the absorption of inhaled medications and may affect their effectiveness.
E. There is a rich blood supply to the lungs: The lungs have a rich network of blood vessels, known as pulmonary capillaries, which allows for rapid absorption of inhaled medications into the bloodstream.

A. Diabetes B. Hypertension C. Hyperthyroidism D. Heart disease E. Allergic rhinitis

Correct Answer is ["B","D"]

Explanation

A. Diabetes: Diabetes is not typically a contraindication for decongestant use. However, patients with diabetes should be cautious with decongestants that contain sugar or other ingredients that may affect blood glucose levels.

B. Hypertension: Decongestants can cause vasoconstriction and increase blood pressure, which may exacerbate hypertension. Patients with hypertension should use decongestants cautiously and under the guidance of a healthcare provider.

C. Hyperthyroidism: While decongestants can stimulate the sympathetic nervous system and may exacerbate symptoms of hyperthyroidism such as tachycardia and palpitations, hyperthyroidism is not typically considered a contraindication for decongestant use. However, patients with hyperthyroidism should use decongestants cautiously and consult with their healthcare provider.

D. Heart disease: Decongestants can increase heart rate and blood pressure, potentially worsening symptoms in patients with heart disease such as coronary artery disease, heart failure, or arrhythmias. Patients with heart disease should use decongestants cautiously and consult with their healthcare provider before use.

E. Allergic rhinitis: Decongestants are often used to relieve nasal congestion associated with allergic rhinitis. While patients with allergic rhinitis may use decongestants, they should still use them cautiously and follow the recommended dosage instructions.

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The patient's family is asking questions about the medications used in the treatment for shock. The nurse explains that dopamine is one of the drugs being used and that it works: (Select All that Apply.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse explains to the client why inhalation medications work rapidly. What should the nurse include in the teaching? (Select All that Apply.)

Correct Answer is ["A","B","E"]

Explanation

Decongestants should be used with caution in patients with which diagnoses? (Select All that Apply.)

Correct Answer is ["B","D"]

Explanation

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The healthcare provider has ordered 1000 mL of 0.9% sodium chloride to be administered intravenously over 5 hours. The drop factor on the tubing is 15 drops/mL. How many milliliters per hour will you administer and how many drops per minute?

The patient's family is asking questions about the medications used in the treatment for shock. The nurse explains that dopamine is one of the drugs being used and that it works:

(Select All that Apply.)