NCLEX-PN
Health Promotion and Maintenance NCLEX PN Questions
1. When performing an eye examination, which area can a healthcare provider best visualize using an ophthalmoscope?
- A. Iris
- B. Cornea
- C. Optic disc
- D. Conjunctiva
Correct answer: C
Rationale: An ophthalmoscope is a tool used to visualize the internal structures of the eye during an examination. The optic disc, located on the internal surface of the retina, can be best visualized using an ophthalmoscope. The iris, cornea, and conjunctiva are superficial structures that can be examined without the need for an ophthalmoscope. Therefore, the correct answer is the optic disc. Choices A, B, and D are incorrect because they are external structures that can be examined directly without the use of an ophthalmoscope.
2. A 2-year-old child diagnosed with HIV comes to a clinic for immunizations. Which of the following vaccines should the healthcare provider expect to administer in addition to the scheduled vaccines?
- A. pneumococcal vaccine
- B. hepatitis A vaccine
- C. Lyme disease vaccine
- D. typhoid vaccine
Correct answer: A
Rationale: The correct answer is the pneumococcal vaccine. Children with HIV are at increased risk of pneumococcal infections, so the pneumococcal vaccine is recommended as a supplemental vaccine for them. The hepatitis A vaccine is not routinely given to HIV-positive children unless they have other risk factors for hepatitis A. Lyme disease vaccine is for individuals at risk for Lyme disease, not routinely recommended for a 2-year-old. Typhoid vaccine is typically given to individuals traveling to endemic areas or working in settings with potential exposure to Salmonella typhi, not a routine vaccine for a 2-year-old with HIV.
3. The client has an order for 0.45 mg of Diltiazem. The medication vial has a concentration of 3 mg/mL. How many mL of the drug should be administered?
- A. 0.15 mL
- B. 6.6 mL
- C. 1.5 mL
- D. 0.65 Ml
Correct answer: A
Rationale: To calculate the amount of drug to be administered, divide the ordered dose by the concentration of the medication in the vial. In this case, 0.45 mg � 3 mg/mL = 0.15 mL. Therefore, the correct answer is 0.15 mL. Choice B (6.6 mL) is incorrect as it does not result from the correct calculation. Choice C (1.5 mL) is incorrect as it is not the result of dividing the ordered dose by the concentration. Choice D (0.65 mL) is incorrect as it is not the accurate calculation based on the provided information.
4. Which of the following are included in the Rights of Medication Administration? Select all that apply.
- A. Right dose, right time, right explanation, right client, right route
- B. Right dose, right time, right client, right route
- C. Right dose, right time, right client
- D. Right time, right explanation, right client
Correct answer: B
Rationale: The Rights of Medication Administration include the right client, right drug, right dose, right route, and right time. An additional right that is sometimes included is the right documentation. The correct answer includes the essential rights that must be ensured during medication administration. Choice A is incorrect as 'right explanation' is not part of the traditional Rights of Medication Administration. Choice B is incorrect as 'right explanation' is not included, and choice C is missing the right route. Choice D is incorrect as it lacks the right dose and right route.
5. What is the threshold of dextrose concentrations that can safely be administered through a peripheral IV?
- A. Dextrose concentrations below 20% can be safely administered through a peripheral IV; dextrose concentrations above 20% should not be administered through a peripheral IV.
- B. Dextrose concentrations below 5% can be safely administered through a peripheral IV; dextrose concentrations above 5% should not be administered through a peripheral IV.
- C. Dextrose concentrations below 10% can be safely administered through a peripheral IV; dextrose concentrations above 10% should not be administered through a peripheral IV.
- D. Dextrose concentrations above 5% can be safely administered through a peripheral IV; dextrose concentrations below 5% should not be administered through a peripheral IV.
Correct answer: C
Rationale: Dextrose concentrations below 10% are considered safe for administration through a peripheral IV, as concentrations above this threshold can lead to phlebitis, causing inflammation of the vein. Concentrations above 10% should not be administered through a peripheral IV to prevent vein irritation. Choice A is incorrect because concentrations above 20% are too high for a peripheral IV. Choice B is incorrect as dextrose concentrations below 5% are too low to be effective. Choice D is incorrect because the statement is reversed, suggesting that concentrations above 5% are safe, which is not true.
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