Correct Answer: B

Rationale: Placing a sign on the client's door is crucial in alerting healthcare providers to the client's latex allergy, helping them avoid using latex products, which can trigger an allergic reaction. This precaution can prevent accidental exposure and ensure the client's safety during care.

Correct Answer: C

Rationale: Applying a transparent dressing over the heel is beneficial as it can protect the ulcer from friction and shear, and allow for continuous observation of the wound. This intervention promotes healing and prevents further damage to the skin.

Correct Answer: B

Rationale: When administering a subcutaneous injection, it is important to insert the needle at a 90-degree angle to ensure proper medication delivery into the subcutaneous tissue. This angle helps prevent the medication from being injected too deeply or too superficially, ensuring optimal absorption and therapeutic effect.

Correct Answer: C

Rationale: When administering an intradermal injection, a tuberculin syringe is the appropriate choice due to its small size and precise measurement markings, which are essential for accurately delivering the medication into the dermis layer of the skin. Using a 1-inch needle (choice A) is more common for subcutaneous injections, while inserting the needle at a 45-degree angle (choice B) is typical for intramuscular injections. Aspirating before injecting (choice D) is not necessary for intradermal injections, as the goal is to deliver the medication into the dermis rather than a blood vessel.

Correct Answer: C

Rationale: A clear liquid diet includes easily digestible liquids that are transparent. Chicken broth is a suitable option as it meets the criteria of being clear and liquid, making it appropriate for a clear liquid diet. Milk, vegetable juice, and orange juice with pulp are not considered clear liquids.