HESI LPN
HESI Practice Test for Fundamentals
1. When providing oral care to an unconscious patient, what action should the nurse take to protect the patient from injury?
- A. Moisten the mouth using lemon-glycerin sponges.
- B. Hold the patient's mouth open with gloved fingers.
- C. Use foam swabs to help remove plaque.
- D. Suction the oral cavity.
Correct answer: D
Rationale: When caring for an unconscious patient, it is crucial to prevent choking and aspiration. Suctioning the oral cavity helps in removing secretions and preventing potential harm. Moisten the mouth using lemon-glycerin sponges may not effectively clear secretions. Holding the patient's mouth open with gloved fingers can cause discomfort and potential harm. Using foam swabs to remove plaque may not address the immediate risk of aspiration.
2. A client admitted with left-sided heart failure has a heart rate of 110 beats per minute and is becoming increasingly dyspneic. Which additional assessment finding by the nurse supports the client’s admitting diagnosis?
- A. Jugular vein distention.
- B. Crackles in the lung bases.
- C. Peripheral edema.
- D. Bounding peripheral pulses.
Correct answer: B
Rationale: The correct answer is B: Crackles in the lung bases. Crackles in the lung bases are indicative of pulmonary congestion, which is a classic sign of left-sided heart failure. Left-sided heart failure leads to a backup of blood into the lungs, causing fluid leakage into the alveoli and resulting in crackles upon auscultation. Choices A, C, and D are less specific to left-sided heart failure. Jugular vein distention can be seen in right-sided heart failure, peripheral edema can be seen in both right and left-sided heart failure, and bounding peripheral pulses are more indicative of conditions like hyperthyroidism or anemia rather than specifically supporting left-sided heart failure.
3. When reinforcing diet teaching for a client diagnosed with hypokalemia, which foods should the PN encourage the client to eat? Select All That Apply
- A. Orange juice, oranges, bananas
- B. All are applicable
- C. Collard greens, kale, turnips
- D. Soybeans, lima beans, spinach
Correct answer: B
Rationale: The correct answer is B: All are applicable. Foods rich in potassium, such as orange juice, oranges, bananas, collard greens, kale, soybeans, lima beans, and spinach, are essential for managing hypokalemia. These options provide a significant source of potassium, which helps in maintaining normal heart and muscle function. Choice A is incorrect because it does not include all the appropriate potassium-rich foods. Choice C is incorrect as it only mentions vegetables rich in potassium, missing out on other essential sources like fruits and beans. Choice D is incorrect as it lacks key potassium-rich foods like oranges and bananas.
4. What is the most common genetic cause of intellectual disability?
- A. Down syndrome
- B. Fragile X syndrome
- C. Prader-Willi syndrome
- D. Turner syndrome
Correct answer: B
Rationale: The correct answer is Fragile X syndrome because it is the most common inherited cause of intellectual disability, resulting from a mutation in the FMR1 gene. Down syndrome, Prader-Willi syndrome, and Turner syndrome are not the most common genetic causes of intellectual disability. Down syndrome is caused by the presence of an extra chromosome 21, Prader-Willi syndrome results from specific genetic abnormalities on chromosome 15, and Turner syndrome is characterized by the absence of part or all of one of the X chromosomes.
5. What is a critical factor in determining community health?
- A. Number of hospitals
- B. Availability of healthcare services
- C. Socioeconomic status
- D. Population density
Correct answer: B
Rationale: The availability of healthcare services is a critical factor in determining community health. While the number of hospitals may contribute to healthcare accessibility, it is the overall availability of healthcare services that encompasses various factors including hospitals, clinics, healthcare providers, and resources. Socioeconomic status and population density are important determinants of health outcomes, but the direct availability of healthcare services plays a more immediate and direct role in promoting community health.