HESI LPN
Adult Health 1 Exam 1
1. The client is diagnosed with pneumonia. Which intervention is most effective in promoting airway clearance?
- A. Administer bronchodilators as prescribed
- B. Encourage increased fluid intake
- C. Perform chest physiotherapy
- D. Provide humidified oxygen
Correct answer: B
Rationale: Encouraging increased fluid intake is the most effective intervention in promoting airway clearance for a client with pneumonia. Increasing fluid intake helps to thin respiratory secretions, making it easier for the client to clear the airways. Administering bronchodilators may help with bronchospasm but does not directly promote airway clearance. Chest physiotherapy may be beneficial but is not the first-line intervention for promoting airway clearance in pneumonia. Providing humidified oxygen can improve oxygenation but does not directly address airway clearance.
2. A client with a history of asthma is experiencing wheezing and shortness of breath. What is the priority nursing intervention?
- A. Administer a bronchodilator as prescribed
- B. Encourage the client to drink fluids
- C. Place the client in an upright position
- D. Assess the client's peak flow rate
Correct answer: A
Rationale: Administering a bronchodilator as prescribed is the priority nursing intervention for a client experiencing wheezing and shortness of breath due to asthma. Bronchodilators help relieve bronchoconstriction, allowing better airflow and improving breathing. Encouraging the client to drink fluids may be beneficial in certain situations, but it is not the priority when the client is in respiratory distress. Placing the client in an upright position, not supine, can facilitate easier breathing by allowing the chest to expand fully. While assessing the client's peak flow rate is important in asthma management, in this acute situation, the priority is to provide immediate relief by administering the bronchodilator.
3. What is the homeostatic cellular transport mechanism that moves water from a hypotonic to a hypertonic fluid space?
- A. Filtration
- B. Diffusion
- C. Osmosis
- D. Active transport
Correct answer: C
Rationale: The correct answer is C: Osmosis. Osmosis is the homeostatic cellular transport mechanism that moves water from a hypotonic to a hypertonic fluid space to maintain cellular balance. In osmosis, water moves across a semi-permeable membrane from an area of low solute concentration (hypotonic) to an area of high solute concentration (hypertonic). This process helps regulate the water content inside cells. Choices A, B, and D are incorrect. Filtration involves the movement of solutes and solvents through a membrane due to a pressure difference, diffusion is the movement of solutes from an area of high concentration to low concentration, and active transport requires energy to move substances against their concentration gradient.
4. What is the function of the cervix in reproduction?
- A. Accepts and interprets signals of sexual stimuli
- B. Secretes mucus to facilitate sperm transport
- C. Serves as the site for union of ovum and sperm
- D. Receives the penis during intercourse
Correct answer: B
Rationale: The cervix functions in reproduction by secreting mucus that facilitates the transport of sperm to the uterus. Choice A is incorrect because the cervix does not interpret signals of sexual stimuli. Choice C is incorrect as the site for the union of ovum and sperm is the fallopian tube. Choice D is incorrect as the cervix is not involved in receiving the penis during intercourse.
5. In a community health setting, which individual is at highest risk for contracting an HIV infection?
- A. 17-year-old who is sexually active with numerous partners
- B. 34-year-old homosexual in a monogamous relationship
- C. 30-year-old cocaine user who inhales and smokes drugs
- D. 45-year-old who has received two blood transfusions in the past 6 months
Correct answer: C
Rationale: The correct answer is C. Substance abuse, particularly using shared inhalation equipment like needles and pipes for drug inhalation, significantly increases the risk of contracting HIV. Choice A, the 17-year-old with multiple sexual partners, poses a risk of HIV transmission through sexual contact, but it is lower compared to the direct risk associated with sharing drug paraphernalia. Choice B, the 34-year-old homosexual in a monogamous relationship, is at lower risk since being in a monogamous relationship reduces exposure to HIV. Choice D, the 45-year-old who received blood transfusions, is also at lower risk as blood transfusions are now screened for HIV, decreasing the likelihood of transmission through this route.
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