Correct Answer: C

Rationale: The most crucial action for maintaining sterility when donning sterile gloves is to keep gloved hands above the elbows. This practice is essential to prevent potential contamination and maintain a sterile field. Choices A, maintaining thumbs at a ninety-degree angle, and B, holding hands with fingers pointing downward while gloving, are not as critical as keeping hands above the elbows for maintaining sterility. Choice D, putting the glove on the dominant hand first, is not as important as ensuring that gloved hands are kept above the elbows to maintain sterility.

Correct Answer: B

Rationale: Placing the client's arm in a dependent position is the correct action when inserting a peripheral IV catheter for an older adult client. This position helps veins dilate due to gravity, facilitating easier insertion of the IV catheter. Choice A is incorrect because catheters are typically inserted at a lower angle, around 10-30 degrees. Choice C is unnecessary unless excessive hair impedes the insertion process. Choice D is incorrect as veins in the hand are generally smaller and more prone to complications, making them less ideal for IV therapy in older adults.

Correct Answer: C

Rationale: The correct response is C: "At this age, children tend to become modest and value their privacy." During the developmental stage around 10 years old, children often start to value their privacy more and exhibit behaviors like closing doors when showering or dressing. It is a normal part of growing up and developing a sense of modesty. Choice A is incorrect as it suggests prying into the child's privacy, which may be counterproductive and invasive. Choice B is not the best response as it focuses on safety but fails to address the child's developmental stage and need for privacy. Choice D is also incorrect as it advocates for discipline without recognizing the normal developmental behavior of children at this age.

Correct Answer: A

Rationale: A pull toy is the most appropriate choice for an 18-month-old child. At this age, children are developing their motor skills and coordination, and a pull toy can help with these aspects by encouraging movement and coordination. Puzzle with large pieces (Choice B) may pose a choking hazard for a child of this age due to small parts. While a book with large pictures (Choice C) can be engaging and beneficial for language development, a pull toy is more suitable for promoting physical development in an 18-month-old. A doll with small clothes (Choice D) is not ideal for this age group as small parts can be a choking hazard.

Correct Answer: A

Rationale: The correct answer is A because cleaning the outside part of hearing aids with a damp cloth is an appropriate method. Rubbing alcohol can damage ear molds, so choice B is incorrect. Keeping the volume of hearing aids turned up high may lead to discomfort, making choice C incorrect. Removing batteries when not in use at night is good practice for battery life, but it does not directly relate to understanding cleaning instructions, so choice D is less relevant in this context.