HESI LPN
Adult Health 2 Exam 1
1. 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.
2. The healthcare provider is assessing a client who has just undergone abdominal surgery. Which finding should be reported to the healthcare provider immediately?
- A. Absence of bowel sounds
- B. Mild abdominal distention
- C. Drainage of serosanguineous fluid from the incision
- D. Sudden onset of severe abdominal pain
Correct answer: D
Rationale: Sudden onset of severe abdominal pain may indicate complications such as peritonitis, bowel perforation, or internal bleeding. These conditions are serious and require immediate medical attention to prevent further complications or deterioration. Absence of bowel sounds, mild abdominal distention, and drainage of serosanguineous fluid are common findings after abdominal surgery and may not necessarily indicate an emergency situation requiring immediate reporting to the healthcare provider. Severe abdominal pain post-surgery should always be reported promptly as it could signify a life-threatening situation that needs urgent evaluation and intervention.
3. 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.
4. The healthcare provider plans to assess a newborn and check the infant's Moro reflex. What is the healthcare provider evaluating?
- A. Neurological integrity
- B. Renal functioning
- C. Thermoregulation
- D. Respiratory adequacy
Correct answer: A
Rationale: The Moro reflex is an instinctive response observed in newborns, indicating their neurological integrity. This reflex is evaluated by eliciting a startle response in the infant, involving the sudden extension and abduction of the limbs, followed by their retraction. This assessment helps in determining the proper functioning of the infant's nervous system and brain. Choices B, C, and D are incorrect as they do not relate to the evaluation of the Moro reflex. Renal functioning pertains to kidney function, thermoregulation refers to temperature control, and respiratory adequacy involves assessing breathing and oxygenation levels, none of which are evaluated through the Moro reflex.
5. The nurse is caring for a client who is 4 hours post-operative from abdominal surgery. The client is complaining of severe pain. What is the nurse's first action?
- A. Reassess the pain and its characteristics
- B. Administer prescribed pain medication
- C. Notify the surgeon
- D. Encourage the use of relaxation techniques
Correct answer: A
Rationale: The correct first action for the nurse to take when a post-operative client complains of severe pain is to reassess the pain and its characteristics. Reassessment is crucial to understand the nature and intensity of the pain, which will guide the nurse in providing appropriate interventions. Administering pain medication may be necessary but should only be done after reassessment to ensure the right medication and dose are given. Notifying the surgeon may be required in certain situations, but reassessment of pain should precede this action. Encouraging relaxation techniques is not the priority when a client is experiencing severe pain post-operatively.
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