The nurse informs the patient to remain well hydrated while taking lithium because dehydration can lead to:

Lithium toxicity

Increased effectiveness

The need to increase the lithium dosage

Lower serum lithium levels

Answer and Explanation

The Correct Answer is A

A. Lithium toxicity can occur if the patient becomes dehydrated while taking lithium, as dehydration can lead to higher concentrations of lithium in the blood.

B. Increased effectiveness is not a consequence of dehydration while taking lithium.

C. Dehydration would not typically lead to the need to increase the lithium dosage but rather to the risk of toxicity.

D. Dehydration can lead to higher, not lower, serum lithium levels, increasing the risk of toxicity.

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Correct Answer is C

Explanation

A. Organic nitrates do not increase contractility and heart rate; they typically decrease myocardial oxygen demand.

B. Organic nitrates do not slow heart rate or decrease contractility of the heart.

C. The mechanism of action of organic nitrates in the treatment of angina is the relaxation of arterial and venous smooth muscle, leading to vasodilation and decreased myocardial oxygen demand.

D. Organic nitrates do not increase peripheral resistance; they typically cause vasodilation.

A. “Leaving the patch off for 8 hours per day helps to delay the development of tolerance. B. “There is no reason to take the patch off each day." C. “You should wear the patch for day and then leave it off for 1 day." D. “You should only wear the patch off for 15 minutes."

Correct Answer is A

Explanation

Explanation:

A. Leaving the patch off for a certain period each day helps prevent tolerance, ensuring that the medication remains effective over time.

B. Continuous use of the patch without breaks may lead to tolerance, reducing its effectiveness.

C. Wearing the patch continuously without any breaks could lead to tolerance and decreased efficacy.

D. Wearing the patch off for only 15 minutes would not provide enough time for the medication to have a therapeutic effect and would not address the issue of tolerance.

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The nurse informs the patient to remain well hydrated while taking lithium because dehydration can lead to:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

In the treatment of angina, the mechanism of action of an organic nitrate is:

Correct Answer is C

Explanation

The client asks the nurse why the Transdermal Nitroglycerin patch needs to be off for 12 hours per day. What is the best response by the nurse?

Correct Answer is A

Explanation

A nurse is reviewing laboratory findings and notes that a client's lithium level is 2.6 mEq/L. Which of the following actions should the nurse plan to take?

According to the nurse instructing the client, which foods contain high amounts of omega-3 fatty acids? (Select all that apply.)

The nurse is educating a group of clients on how high cholesterol leads to heart disease.Which explanation regarding high cholesterol is most appropriate?

A patient asks how most antidepressants work. The nurse responds by saying that antidepressants improve mood by increasing levels of:

The nurse informs the patient to remain well hydrated while taking lithium because dehydration can lead to:

The nurse is describing angina to a family member of a client recently diagnosed with the condition. Which characterization of angina is the most appropriate?

A nurse is caring for a client who has a new prescription for lithium carbonate. When reinforcing teaching with the client about ways to prevent lithium toxicity, the nurse should advise the client do which of the following?

A nurse is caring for a client who has a new prescription of phenelzine (Nardil) for the treatment of depression. Which of the following indicates that the client has developed an adverse effect of this medication?