HESI LPN
Community Health HESI Exam
1. Which of the following measures the frequency of new cases of the phenomenon during a given period of time?
- A. prevalence rate
- B. proportionate mortality rate
- C. case fatality rate
- D. incidence rate
Correct answer: D
Rationale: The correct answer is D, incidence rate. Incidence rate measures the frequency of new cases of a phenomenon, providing important information about the risk of developing the condition. Prevalence rate (choice A) reflects both old and new cases, proportionate mortality rate (choice B) is the proportion of deaths due to a specific cause, and case fatality rate (choice C) measures the proportion of deaths among confirmed cases, not just new cases.
2. A school nurse is assessing a child who has frequent absences from school due to asthma. Which of the following is the priority nursing action?
- A. Teaching the child how to use an inhaler
- B. Assessing the child's asthma management plan
- C. Discussing the importance of school attendance with the parents
- D. Referring the child to a pulmonologist
Correct answer: B
Rationale: The correct answer is to assess the child's asthma management plan. This is the priority action as it allows the nurse to evaluate the current treatment regimen, identify any gaps or areas for improvement, and ensure that the plan is being effectively implemented. Teaching the child how to use an inhaler (Choice A) may be important but should come after assessing the management plan. Discussing the importance of school attendance with the parents (Choice C) is secondary to ensuring proper asthma management. Referring the child to a pulmonologist (Choice D) may be necessary but is not the priority at this stage; first, the nurse needs to evaluate the current plan in place.
3. An infant weighed 7 pounds 8 ounces at birth. If growth occurs at a normal rate, what would be the expected weight at 6 months of age?
- A. Double the birth weight
- B. Triple the birth weight
- C. Gain 6 ounces each week
- D. Add 2 pounds each month
Correct answer: A
Rationale: The correct answer is A: 'Double the birth weight.' Infants typically double their birth weight by 6 months of age. This is a common milestone in healthy infant growth and development. Choice B is incorrect because tripling the birth weight would be excessive and not in line with normal growth patterns. Choice C, 'Gain 6 ounces each week,' is not accurate as infant growth is not linear each week. Choice D, 'Add 2 pounds each month,' is also incorrect as this rate of growth would be too rapid and unrealistic for healthy infant development.
4. A 19-year-old client is paralyzed in a car accident. Which statement used by the client would indicate to the nurse that the client was using the mechanism of 'suppression'?
- A. "I don't remember anything about what happened to me."
- B. "I'd rather not talk about it right now."
- C. "It's all the other guy's fault! He was going too fast."
- D. "My mother is heartbroken about this."
Correct answer: B
Rationale: The correct answer is B because the statement "I'd rather not talk about it right now" indicates that the client is consciously choosing to avoid discussing the distressing issue, which aligns with the mechanism of suppression. Choice A does not involve active avoidance but rather memory loss, which is not suppression. Choice C involves blaming others, which is a defense mechanism known as projection. Choice D involves expressing emotions rather than avoiding them, which does not align with suppression.
5. Which client has the highest risk for developing community-acquired pneumonia?
- A. a 40-year-old first-grade teacher who works with underprivileged children
- B. a 75-year-old retired secretary with exercise-induced wheezing
- C. a 60-year-old homeless person who is an alcoholic and smokes
- D. a 35-year-old aerobics instructor who skips meals and eats only vegetables
Correct answer: C
Rationale: The correct answer is C because homeless individuals who are alcoholics and smoke have a higher risk of developing community-acquired pneumonia due to factors like poor living conditions, compromised immune systems, and increased exposure to infections. Choice A is less likely as the teacher's profession, while involving contact with children, may not pose as high a risk as the factors in choice C. Choice B may have respiratory issues but does not have the same risk factors as choice C. Choice D, the aerobics instructor, may have a healthy lifestyle but skipping meals and a restrictive diet do not directly correlate with a higher risk of pneumonia compared to the risk factors in choice C.
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