Correct Answer: A

Rationale: They have a high energy-to-fluid-volume ratio. Fat emulsions are formulated in 10%, 20%, and 30% solutions and supply 1.1, 2, and 3 kilocalories respectively for each milliliter. A milliliter of 5% dextrose only supplies 0.17 kilocalories.

Choices 2, 3, and 4 are incorrect because fat emulsions are essentially pH neutral and isotonic.

Correct Answer: A

Rationale: Normal saline (0.9% sodium chloride) is isotonic and safe for flushing IV lines before and after blood administration, preventing cell lysis or clotting.

Correct Answer: C

Rationale: Hepatitis A is for individuals who travel or persons with chronic liver disease. Infants receive the hepatitis B vaccine at birth. DTaP is administered at 18 months of age. Individuals who come into contact with blood should be immunized against hepatitis B.

Correct Answer: A

Rationale:
To provide the best response, the nurse must identify what the elder is asking. Concern is being expressed about whether elders can engage in sexual activity. The most therapeutic response by the nurse is
Choice 1. In this choice, the nurse acknowledges that elders can physically engage in sexual activity and have no psychological barriers to the same. All of the other choices contain facts but are not the best initial response.
Choice 1 opens the conversation for the expression of further concerns about sexual issues.

Correct Answer: B

Rationale: Fainting and hypotension can be caused by Tricyclics.