Correct Answer: D

Rationale: The correct answer is D because enoxaparin should be injected into the abdomen to ensure proper absorption. Choice A is incorrect as enoxaparin should not be taken with food. Choice B is incorrect as enoxaparin should be injected subcutaneously, not into the muscle. Choice C is incorrect as massaging the injection site after administering enoxaparin is not recommended.

Correct Answer: C

Rationale: The correct action for the nurse to take when preparing to administer an intermittent enteral feeding through a nasogastric tube is to flush the tube with 10 mL of water after feeding. This helps maintain tube patency and prevent clogging. Choice A, checking for residual feeding contents, is not the immediate action to take before administering the feeding. Choice B, administering the feeding through a large-bore syringe, is not the recommended method for administering enteral feedings. Choice D, administering the feeding at room temperature, is important but not the immediate action related to tube maintenance.

Correct Answer: A

Rationale: The correct answer is A: 'You should eat crackers before getting out of bed.' Eating crackers before getting out of bed can help reduce nausea and vomiting during pregnancy. This recommendation helps in stabilizing blood sugar levels before fully waking up. Choice B is incorrect because ginger ale may exacerbate nausea due to its carbonation. Choice C is incorrect as lying down after eating can worsen symptoms of nausea. Choice D is incorrect as avoiding eating between meals can lead to low blood sugar levels, worsening nausea and vomiting.

Correct Answer: D

Rationale: The correct answer is D because taking metformin with food helps reduce gastrointestinal discomfort, a common side effect of the medication. Choice A is incorrect as metformin is usually taken with meals to minimize side effects. Choice B is incorrect because metformin does not typically cause urine discoloration. Choice C is incorrect as metformin is associated with weight loss or weight neutrality rather than weight gain.

Correct Answer: C

Rationale: The correct answer is C. Pacing spikes after the QRS complex indicate a malfunction of the pacemaker and should be reported. Choice A is not directly related to the pacemaker function. Choice B, hiccups, are common and not typically associated with pacemaker issues. Choice D, a heart rate of 90 beats per minute, is within the normal range and does not indicate a pacemaker malfunction.