HESI LPN
HESI Fundamentals Study Guide
1. A healthcare professional is reviewing a plan of care for a client who was admitted with dehydration as a result of prolonged watery diarrhea. Which prescription should the healthcare professional question?
- A. Oral psyllium (Metamucil)
- B. Oral potassium supplement
- C. Parenteral half normal saline
- D. Parenteral albumin (Albuminar)
Correct answer: D
Rationale: The correct answer is D, Parenteral albumin (Albuminar). Parenteral albumin is not typically indicated for dehydration resulting from diarrhea. In this case, fluid replacement therapy with intravenous fluids such as parenteral half normal saline would be more appropriate. Oral psyllium and oral potassium supplement are not the primary interventions for managing dehydration due to watery diarrhea. Oral psyllium is a fiber supplement used for constipation rather than diarrhea. Oral potassium supplements may be necessary if potassium levels are low due to dehydration, but the priority is fluid replacement. Therefore, choices A and B are less relevant in this scenario.
2. The nurse is caring for an older adult patient with a diagnosis of urinary tract infection (UTI). Upon assessment, the nurse finds the patient confused and agitated. How will the nurse interpret these assessment findings?
- A. These are normal signs of aging.
- B. These are early signs of dementia.
- C. These are purely psychological in origin.
- D. These are common manifestations with UTIs.
Correct answer: D
Rationale: The nurse should interpret confusion and agitation in an older adult patient with a UTI as common manifestations of the infection. In older patients, confusion is a primary symptom of a compromised state due to an acute urinary tract infection or fever. Choice A is incorrect as confusion and agitation are not normal signs of aging. Choice B is incorrect because these symptoms are more likely related to the UTI rather than early signs of dementia. Choice C is incorrect as confusion and agitation in this context are not purely psychological but are likely physiological responses to the UTI.
3. When teaching the guardian of a 12-year-old male client about manifestations of puberty, which of the following physical changes typically occurs first?
- A. Appearance of downy hair on the upper lip
- B. Hair growth in the axillae
- C. Enlargement of the testes and scrotum
- D. Deepening of the voice
Correct answer: C
Rationale: During puberty in males, the first physical change that typically occurs is the enlargement of the testes and scrotum. This change is due to increased production of testosterone, which stimulates growth and development of the genital organs. The appearance of downy hair on the upper lip (Choice A) and hair growth in the axillae (Choice B) usually follow the enlargement of the testes and scrotum. Deepening of the voice (Choice D) is a later stage change that occurs during puberty as the larynx (voice box) grows and the vocal cords lengthen and thicken.
4. A nurse is preparing to insert an IV catheter for an adult client. Which of the following actions should the nurse take?
- A. Choose the most distal site on the selected extremity
- B. Apply a cool compress to the selected extremity before insertion of the IV catheter
- C. Stroke the selected extremity before insertion of the IV catheter
- D. Place the tourniquet above the proposed insertion site
Correct answer: C
Rationale: When preparing to insert an IV catheter, stroking the extremity before insertion helps to visualize veins, making it easier to locate a suitable vein for catheter insertion. Choosing the most distal site on the extremity is correct because veins more distal are preferred for IV catheter insertion. Applying a cool compress to the extremity before insertion is unnecessary and not a standard practice. Placing the tourniquet below the proposed insertion site is incorrect; the tourniquet should be placed above the proposed insertion site to help engorge the veins for easier visualization and access.
5. A client who is postoperative is using an incentive spirometer. Into which of the following positions should the nurse place the client?
- A. Side-lying
- B. Supine
- C. Semi-Fowler’s
- D. Trendelenburg
Correct answer: C
Rationale: The correct position for a postoperative client using an incentive spirometer is the Semi-Fowler’s position. Placing the client in Semi-Fowler’s or high-Fowler’s position maximizes lung expansion and the effectiveness of the incentive spirometer. Side-lying may not provide optimal lung expansion. The supine position is not ideal for postoperative clients using incentive spirometers as it may limit lung expansion. The Trendelenburg position is not recommended due to potential complications postoperatively.
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