HESI LPN
CAT Exam Practice Test
1. A male client with hypertension, who received new antihypertensive prescriptions at his last visit returns to the clinic two weeks later to evaluate his blood pressure (BP). His BP is 158/106 mmHg and he admits that he has not been taking the prescribed medication because the drugs make him feel bad. In explaining the need for hypertension control, the nurse should stress that an elevated BP places the client at risk for which pathophysiological condition?
- A. Stroke secondary to hemorrhage
- B. Acute kidney injury due to glomerular damage
- C. Heart block due to myocardial damage
- D. Blindness secondary to cataracts
Correct answer: A
Rationale: The correct answer is A: Stroke secondary to hemorrhage. Hypertension increases the risk of stroke due to the stress and damage it causes to blood vessels, which can lead to hemorrhage. Choice B is incorrect because acute kidney injury is more commonly associated with chronic uncontrolled hypertension, not acute elevations. Choice C is incorrect as heart block is not a direct consequence of hypertension. Choice D is incorrect as hypertension does not directly cause cataracts leading to blindness.
2. The nurse identifies the presence of clear fluid on the surgical dressing of a client who just returned to the unit following lumbar spinal surgery. What action should the nurse implement immediately?
- A. Change the dressing using a compression bandage
- B. Test fluid on the dressing for glucose
- C. Document the findings in the electronic medical record
- D. Mark drainage area with a pen and continue to monitor
Correct answer: B
Rationale: The correct action for the nurse to implement immediately upon identifying clear fluid on the surgical dressing post-lumbar surgery is to test the fluid for glucose. Clear fluid could indicate cerebrospinal fluid (CSF) leakage, and testing for glucose can help confirm this. Changing the dressing using a compression bandage (Choice A) without further assessment could lead to complications. Documenting the findings (Choice C) is important but not as immediate as confirming the presence of CSF. Marking the drainage area with a pen and monitoring (Choice D) does not address the need for immediate confirmation of CSF leakage.
3. Based on the information provided in this client’s medical record during labor, which intervention should the nurse implement?
- A. Apply oxygen at 10 L per minute via mask
- B. Stop the oxytocin infusion
- C. Turn the client to the right lateral position
- D. Continue monitoring the progress of labor
Correct answer: C
Rationale: Turning the client to the right lateral position is essential as it can improve fetal oxygenation and uterine blood flow, promoting better labor outcomes. This intervention helps relieve pressure on blood vessels, enhancing blood flow to the placenta and improving oxygen supply to the fetus. Applying oxygen at a specific rate may not address the underlying issue of compromised blood flow and oxygenation. Stopping the oxytocin infusion is not the priority unless medically indicated as it can affect labor progression. While monitoring the progress of labor is important, actively addressing the compromised fetal oxygenation and uterine blood flow by changing the client's position takes precedence in this scenario.
4. Which type of Leukocyte is involved with allergic responses and the destruction of parasitic worms?
- A. Neutrophils
- B. Lymphocytes
- C. Eosinophils
- D. Monocytes
Correct answer: C
Rationale: Eosinophils are the correct answer. Eosinophils are specialized white blood cells that play a crucial role in allergic responses and combating parasitic infections. They release substances to destroy parasites and modulate allergic reactions. Neutrophils (Choice A) are mainly involved in fighting bacterial infections. Lymphocytes (Choice B) play a key role in the immune response, including antibody production, but are not primarily responsible for combating parasites or allergic responses. Monocytes (Choice D) are involved in immune defense, differentiating into macrophages or dendritic cells, but they are not mainly associated with allergic responses or parasitic worm destruction.
5. An adult male who admits to abusing IV drugs obtains the results of HIV testing. When informed that the results are positive, he states that he does not want his wife to know. What action should the nurse take?
- A. Tell the client he is required by law to inform his sexual partners of his HIV status
- B. Counsel the client about the importance of notifying his sexual partner
- C. Inform the wife of her health risk related to her husband's HIV results
- D. Report the client's status as a sexually transmitted case to the health department
Correct answer: B
Rationale: The nurse should counsel the client on the importance of notifying partners about HIV status while respecting confidentiality. Mandatory partner notification laws vary by jurisdiction, so option A cannot be universally applied. Breaching patient confidentiality, as suggested in option C, is unethical. Reporting the client's status to the health department without consent, as in option D, is not appropriate as HIV status is confidential information and is not automatically reported as a sexually transmitted case.
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