ATI LPN
LPN Pharmacology Assessment A
1. The nurse is assisting in the care of a client with a history of angina pectoris who is receiving nitroglycerin patches. Which instruction should the nurse reinforce with the client?
- A. Apply the patch to a different site each time.
- B. Remove the patch at night to prevent tolerance.
- C. Use more than one patch if chest pain occurs.
- D. Shower with caution while wearing the patch.
Correct answer: B
Rationale: Removing the nitroglycerin patch at night is crucial to prevent the development of tolerance. Tolerance can occur when the body becomes accustomed to a constant level of the medication, reducing its effectiveness. By removing the patch at night, the client experiences a drug-free period, which helps prevent tolerance and maintains the effectiveness of the nitroglycerin for angina relief. Choices A, C, and D are incorrect because applying the patch to a different site each time helps prevent skin irritation, using more than one patch is not recommended unless instructed by the healthcare provider, and showering with caution is important to prevent dislodging the patch, but it is not the most critical instruction to prevent tolerance development.
2. A client with a history of myocardial infarction (MI) is being discharged with a prescription for nitroglycerin sublingual tablets. Which instruction should the nurse reinforce?
- A. Store the tablets in a cool, dry place away from light.
- B. Take a tablet every 5 minutes if chest pain occurs.
- C. Place the tablets under the tongue for sublingual absorption.
- D. Take the tablets without water for faster effect.
Correct answer: A
Rationale: The correct answer is A. Nitroglycerin tablets are light and moisture-sensitive, so they should be stored in a cool, dry place away from light to maintain their effectiveness. Option B advises taking a tablet every 5 minutes, which may lead to overdose as this frequency is too high. Option C emphasizes the correct administration route for sublingual tablets. Option D is incorrect as water is not needed for the tablets to take effect.
3. A healthcare professional is preparing to administer a unit of packed red blood cells to a client. Which of the following actions should the healthcare professional take?
- A. Prime the blood tubing with normal saline.
- B. Verify the client’s identity using two identifiers.
- C. Infuse the blood rapidly over 30 minutes.
- D. Obtain the client’s vital signs every 4 hours during the transfusion.
Correct answer: B
Rationale: Verifying the client’s identity using two identifiers is a critical patient safety measure to ensure the correct patient receives the blood transfusion. This process involves checking the patient's identity using at least two unique identifiers, such as name, date of birth, or medical record number, to prevent administration errors. Priming the blood tubing with normal saline is necessary to ensure there are no air bubbles in the tubing, but it is not the immediate action required before administering the blood. Infusing packed red blood cells over 30 minutes is generally too rapid and can lead to adverse reactions; a slower rate is recommended for safe administration. Obtaining vital signs every 4 hours during the transfusion is not frequent enough to monitor the client adequately for potential transfusion reactions or complications; vital signs should be monitored more frequently, especially during the initial phase of the transfusion.
4. A client is receiving morphine for pain. Which of the following assessments is the priority?
- A. Urine output
- B. Pupil reaction
- C. Respiratory rate
- D. Bowel sounds
Correct answer: C
Rationale: The correct answer is C: Respiratory rate. Monitoring the respiratory rate is the priority assessment for a client receiving morphine due to the risk of respiratory depression. Morphine is a potent opioid that can cause respiratory depression, which is a serious adverse effect that can be life-threatening. Assessing the client's respiratory rate is crucial to detect any signs of respiratory depression early and intervene promptly. Assessing urine output is important but not as critical as monitoring for respiratory depression with morphine. Pupil reaction and bowel sounds are also important assessments but do not take precedence over monitoring the respiratory rate when a client is on morphine.
5. A client with a history of angina is scheduled for an exercise electrocardiography (ECG) test. The nurse should explain that the purpose of this test is to evaluate which factor?
- A. The heart's response to physical stress
- B. The client's overall physical fitness
- C. The presence of electrolyte imbalances
- D. The effectiveness of anti-anginal medications
Correct answer: A
Rationale: An exercise electrocardiography (ECG) test is used to evaluate the heart's response to physical stress. During the test, the heart's electrical activity is monitored while the client exercises, helping to identify any areas of ischemia or abnormal rhythms. This test helps healthcare providers assess the heart's function and detect any potential issues related to angina or other cardiac conditions. Choice B, the client's overall physical fitness, is incorrect because the test primarily focuses on the heart's response to stress rather than the client's general physical fitness. Choice C, the presence of electrolyte imbalances, is incorrect as this test is not specifically designed to evaluate electrolyte levels. Choice D, the effectiveness of anti-anginal medications, is incorrect as the main purpose of the test is to assess the heart's response to physical stress, not medication effectiveness.
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