Correct Answer: B

Rationale: When the client presses on the nasolacrimal duct while instilling eye drops, it temporarily blocks the lacrimal punctum. This obstruction helps prevent the systemic absorption of the medication by minimizing drainage into the nasolacrimal duct and subsequent systemic circulation. By following this technique, the client can enhance the localized effect of the eye drops and reduce the risk of systemic side effects.

Correct Answer: C

Rationale: The correct answer is C because applying the patch to an area of skin without hair ensures better absorption of the medication. Hair can interfere with the patch's adherence and effectiveness. It is important for the client to choose a clean, hairless area for proper medication delivery.

Correct Answer: D

Rationale: The correct instruction for taking Colesevelam is to take it with food and at least one glass of water to ensure proper absorption and reduce the risk of gastrointestinal side effects.

Correct Answer: A

Rationale: The healthcare professional should administer IV Hydromorphone slowly over 5 minutes to reduce the risk of hypotension and respiratory depression. Rapid administration can lead to adverse effects, so it is crucial to administer the medication slowly to monitor the client's response and intervene promptly if needed.

Correct Answer: B

Rationale: Coarse tremors are a common sign of Lithium toxicity. Monitoring for tremors is crucial as they can indicate a potentially serious complication that requires immediate intervention. While other options such as severe hypertension, constipation, and muscle spasm may be symptoms of various conditions, they are not typically associated with Lithium toxicity.