The nurse should include which of the following in preprocedure teaching for a patient scheduled for carotid angiography?

Correct Answer: C

Rationale: The correct answer is C: "You may feel a burning sensation when the dye is injected." This is important preprocedure teaching for carotid angiography because it prepares the patient for a common sensation during the procedure, helping to manage their expectations and reduce anxiety. This information is crucial for informed consent. Choice A is incorrect because carotid angiography is usually done under local anesthesia, not general anesthesia. Choice B is incorrect as carotid angiography typically takes about 1-2 hours, not several hours. Choice D is incorrect because all medical procedures, including carotid angiography, carry potential risks and complications, which should be discussed with the patient.

Correct Answer: D

Rationale: The correct answer is D because antimetabolites interfere with the synthesis of nucleic acids (RNA and/or DNA), affecting multiple stages of RNA and DNA synthesis. This disruption hinders cell division and leads to cell death. Choices A and B are incorrect because antimetabolites do not specifically target cell division during the M phase or normal cellular processes during the S phase. Choice C is also incorrect because antimetabolites primarily target nucleic acid synthesis rather than altering the chemical structure of DNA or the binding between DNA molecules.

Correct Answer: C

Rationale: The correct answer is C: 3.8 mL. To calculate the volume needed, first determine the concentration of the solution after reconstitution: 2.4 million units / 5,000,000 units = 0.48. Next, divide the desired dose by the concentration: 2.4 million units / 0.48 = 5 mL. Since the instructions state to dilute with 8 mL of sterile water, the total volume will be 13 mL. To find the volume of the powder to draw up, subtract the water volume from the total volume: 13 mL - 8 mL = 5 mL. Therefore, the nurse should draw up 5 mL of the reconstituted solution, which is equivalent to 3.8 mL of powder for injection. Incorrect choices: A, B, and D are incorrect because they do not consider the dilution factor of adding sterile water to the powder for injection. Option A is less than the

Correct Answer: C

Rationale: The correct answer is C because it encourages the patient to provide more detailed information about the cause of their pain, which can help in understanding the underlying health issues. Choice A is judgmental and may make the patient defensive. Choice B is closed-ended and does not prompt for specific details. Choice D is directive and may not be well-received by the patient. Asking the patient to elaborate on what caused their pain allows for a more open-ended response, leading to a more thorough health history assessment.

Correct Answer: B

Rationale: The correct answer is B because it provides a specific action (offering water) at regular intervals (every 2 hours) to promote hydration, which is a clear and measurable nursing intervention. Choice A is too prescriptive and lacks flexibility. Choice C is reactive and not proactive. Choice D is vague and lacks specific guidance on how to achieve the desired outcome. By offering water consistently, the nurse ensures proactive care and helps meet the client's hydration needs effectively.

Correct Answer: D

Rationale: The correct answer is D: Tensilon test. The Tensilon test involves administering edrophonium (Tensilon) to temporarily improve muscle weakness in myasthenia gravis patients, confirming the diagnosis. Other choices are incorrect: A (Mestinon test) is not a standard diagnostic test for myasthenia gravis, B (Pulmonary function studies) are not specific for myasthenia gravis, and C (Quinine tolerance test) is not a relevant test for this condition.

Correct Answer: D

Rationale: The correct answer is D (Downward) because it helps to maintain a clear airway for effective mouth-to-mouth respiration. By holding the victim's chin downward, you can ensure proper alignment of the airway, allowing the tongue to fall forward and prevent obstruction. Holding the chin forward (Choice A) may cause the airway to close, holding it backward (Choice B) may strain the neck, and holding it sideward (Choice C) may not provide optimal airway alignment. Holding the chin downward is the most effective and safe method for providing mouth-to-mouth respiration.

Correct Answer: C

Rationale: The correct answer is C: Assess apical heart before administering digitalis. This is important because digitalis can slow down the heart rate, so it is crucial to monitor the client's heart rate before giving the medication to prevent further decrease in cardiac output. Encouraging activities that engage the Valsalva maneuver (A) is contraindicated in clients with congestive heart failure as it can lead to increased intra-thoracic pressure and decreased venous return, worsening cardiac output. Encouraging the client to perform exercises (B) may also increase cardiac workload and exacerbate symptoms. Offering small frequent feedings (D) is generally beneficial for clients with congestive heart failure to prevent overeating and promote easier digestion, but it does not directly address the decreased cardiac output concern in this scenario.

Correct Answer: B

Rationale: The correct answer is B: Collect his urine for 12 hours. This instruction is given because the Schilling test involves collecting urine over a specific time period to measure the absorption of vitamin B12. A is incorrect because fasting is not necessary. C is incorrect as enema is not required. D is incorrect as emptying the bladder is not part of the test procedure.