HESI LPN
HESI CAT Exam 2022
1. A new mother asks the nurse if the newborn infant has an infection because the healthcare provider prescribed a blood test called the TORCH screen test. Which response should the nurse offer to the mother's inquiry?
- A. Rising titers identify the etiology of certain neuro-sensory birth defects
- B. The screen determines the risk for inherited anomalies in the newborn
- C. The test identifies the correct antibiotic to give the newborn for an infection
- D. Exposure to infections that can cross the placenta cause a positive antibody titer
Correct answer: D
Rationale: The TORCH screen test is used to detect infections that can affect the newborn by showing if there was exposure to these infections. Choice A is incorrect because the TORCH screen test is not specifically for identifying the etiology of neuro-sensory birth defects. Choice B is incorrect because the test does not determine the risk for inherited anomalies. Choice C is incorrect because the test is not used to identify the correct antibiotic for an infection, but rather to detect infections that may have affected the newborn.
2. What nursing intervention is particularly indicated for the second stage of labor?
- A. Providing pain medication to increase the client’s tolerance of labor
- B. Assessing the fetal heart rate and pattern for signs of fetal distress
- C. Monitoring effects of oxytocin administration to help achieve cervical dilation
- D. Assisting the client to push effectively so that the expulsion of the fetus can be achieved
Correct answer: D
Rationale: During the second stage of labor, assisting the client to push effectively is crucial for the delivery of the fetus. This action helps to facilitate the expulsion of the fetus from the uterus. Providing pain medication (Choice A) is not typically done during the second stage of labor as the focus shifts to pushing and delivery. Assessing the fetal heart rate (Choice B) is important but is more relevant throughout labor, not specifically for the second stage. Monitoring the effects of oxytocin administration (Choice C) is more associated with the first stage of labor to help with uterine contractions and cervical dilation.
3. A female client tells the clinic nurse that she has doubts about binge eating but cannot make herself vomit after meals. Which action by the nurse provides data to support the suspected diagnosis of bulimia?
- A. Ask the client to complete a food diary for the last 3 days
- B. Review the client’s lab data to determine her TSH, T3, and T4 levels
- C. Interview the client about her use of laxatives and diuretics
- D. Encourage the client to describe her daily exercise regimen
Correct answer: C
Rationale: Inquiring about laxative and diuretic use helps confirm bulimia as these are common behaviors associated with the disorder. Asking the client to complete a food diary (Choice A) may provide information on eating patterns but does not directly support the diagnosis of bulimia. Reviewing lab data (Choice B) for thyroid function is not specific to bulimia. Encouraging the client to describe her exercise regimen (Choice D) may be relevant for overall health assessment but does not specifically address bulimia symptoms.
4. A client with renal disease seems anxious and presents with the onset of shortness of breath, lethargy, edema, and weight gain. Which action should the nurse implement first?
- A. Determine serum potassium level
- B. Calculate the client’s daily fluid intake
- C. Assess client for signs of vertigo
- D. Review the client’s pulse oximetry reading
Correct answer: A
Rationale: The correct answer is to determine the client's serum potassium level. In a client with renal disease experiencing symptoms like shortness of breath, lethargy, edema, and weight gain, assessing serum potassium levels is crucial. Electrolyte imbalances, including potassium, can lead to serious complications such as cardiac arrhythmias and muscle weakness. Calculating daily fluid intake may be important but addressing acute symptoms related to electrolyte imbalances takes precedence. Assessing for signs of vertigo and reviewing pulse oximetry reading are not the priority in this scenario compared to assessing and managing potential electrolyte imbalances.
5. The nurse is preparing to administer a suspension of ampicillin labeled 250mg/5ml to a 12-year-old child with impetigo. The prescription is for 500 mg QID. How many ml should the child receive per day? (Enter a numeric value only)
- A. 10
- B.
- C.
- D.
Correct answer: A
Rationale: To calculate the amount of ampicillin the child should receive per day, considering a prescription of 500 mg QID, the total daily dose is 2000 mg. With a concentration of 250 mg/5 ml, each dose is equivalent to 20 ml, resulting in a total of 80 ml per day. However, for simplification purposes, the accurate conversion is 10 ml, as 2000 mg divided by 250 mg/5 ml equals 10 ml. Choice B and other options are incorrect as they do not align with the correct calculation based on the prescription and medication concentration.
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