Nursing Elites

1. When taking Digoxin, low levels of what can cause toxicity?

• A. Potassium
• B. Calcium
• C. Sodium
• D. Magnesium

Correct answer: A

Rationale: Low potassium levels can lead to Digoxin toxicity. Digoxin competes with potassium for binding sites on the sodium-potassium pump. When potassium levels are low, there is an increased risk of Digoxin binding and toxicity. Choice B (Calcium) is incorrect because low calcium levels are not directly linked to Digoxin toxicity. Choice C (Sodium) is incorrect as low sodium levels do not cause Digoxin toxicity. Choice D (Magnesium) is incorrect as low magnesium levels do not contribute to Digoxin toxicity.

2. A healthcare professional is reviewing laboratory findings and notes that a client's plasma Lithium level is 2.1 mEq/L. Which of the following is an appropriate action by the healthcare professional?

• A. Perform immediate gastric lavage.
• B. Prepare the client for hemodialysis.
• C. Administer an additional oral dose of lithium.
• D. Request a stat repeat of the laboratory test.

Correct answer: A

Rationale: Performing immediate gastric lavage is the appropriate action for a client with severe lithium toxicity, indicated by a plasma lithium level of 2.1 mEq/L. Gastric lavage can help reduce the client's lithium level by removing the unabsorbed drug from the stomach.

3. A client with a UTI and a history of recurrent infections asks why the provider has not yet prescribed an antibiotic. The nurse should explain that the provider has to wait for the results of which of the following laboratory tests to identify which antibiotic to prescribe?

• A. Gram stain
• B. Culture
• C. Sensitivity
• D. Specific gravity

Correct answer: C

Rationale: In the case of a UTI, a sensitivity test is crucial as it identifies the most effective antibiotic to target the specific microorganism causing the infection. This test helps in prescribing the appropriate antibiotic for successful treatment and preventing antibiotic resistance. While a Gram stain and culture are important in diagnosing a UTI, the sensitivity test specifically determines the most suitable antibiotic. Specific gravity, on the other hand, is not related to identifying the appropriate antibiotic for a UTI.

4. A client has a new prescription for Raltegravir. Which of the following statements should the nurse include in teaching the client?

• A. This medication prevents the virus from entering the cell.
• B. This medication prevents the virus from leaving the cell.
• C. This medication blocks the virus from attaching to the cell.
• D. This medication blocks the virus from replicating in the cell.

Correct answer: D

Rationale: The correct answer is D because Raltegravir works by blocking the integrase enzyme, preventing the virus from integrating its genetic material into the host cell's DNA. By inhibiting this process, viral replication within the host cell is halted. Choices A, B, and C are incorrect because Raltegravir's mechanism of action specifically targets viral replication within the cell, not virus entry, exit, or attachment to the cell.

5. A client is taking Desmopressin for Diabetes Insipidus. For which of the following adverse effects should the nurse monitor?

• A. Hypovolemia
• B. Hypercalcemia
• C. Agitation
• D. Headache

Correct answer: D

Rationale: Headache is an adverse effect that the nurse should monitor for in a client taking Desmopressin for Diabetes Insipidus. It can be an early sign of water intoxication, which is a potential complication of desmopressin therapy due to excessive water retention in the body.

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