HESI LPN
Community Health HESI Practice Exam
1. Which bioterrorism agent poses a high risk for use as a potential biological weapon due to its ability to be readily transmitted through several portals of entry?
- A. Anthrax.
- B. Smallpox.
- C. Botulism.
- D. Tularemia.
Correct answer: A
Rationale: The correct answer is Anthrax. Anthrax is a high-risk bioterrorism agent because it can be readily transmitted through multiple portals of entry such as inhalation, ingestion, or skin contact. This makes it a significant concern for use as a biological weapon. Smallpox, though highly contagious, is not known for multiple portals of entry like Anthrax. Botulism is a potent toxin but is not as easily transmissible through various routes as Anthrax. Tularemia, while a serious bacterial infection, does not have the same ease of transmission through multiple portals of entry as Anthrax.
2. A hospitalized child suddenly has a seizure while his family is visiting. The nurse notes whole body rigidity followed by general jerking movements. The child vomits immediately after the seizure. A priority nursing diagnosis for the child is
- A. High risk for infection related to vomiting
- B. Altered family processes related to chronic illness
- C. Fluid volume deficit related to vomiting
- D. Risk for aspiration related to loss of consciousness
Correct answer: D
Rationale: Risk for aspiration is a priority concern following a seizure, especially when the child vomits, as there is a danger of aspirating the vomit into the lungs, leading to respiratory complications. The other options are not the priority in this situation. While infection risk and fluid volume deficit are important, ensuring the child's airway is clear and there is no risk of aspiration takes precedence. Altered family processes may be a concern but addressing the immediate physiological risk is the priority.
3. A client is scheduled to have a blood test for cholesterol and triglycerides the next day. The nurse would tell the client
- A. ''Be sure to eat a fat-free diet until the test.''
- B. ''Do not eat or drink anything but water for 12 hours before the blood test.''
- C. ''Have the blood drawn within 2 hours of eating breakfast.''
- D. ''Stay at the laboratory so 2 blood samples can be drawn an hour apart.''
Correct answer: B
Rationale: Fasting for at least 12 hours is necessary before a cholesterol and triglyceride test to ensure accurate results by avoiding fluctuations that can occur after eating. Choice A is incorrect because a fat-free diet is not required; fasting is. Choice C is incorrect as it suggests having the test right after eating, which can affect the results. Choice D is incorrect as there is no need to stay at the laboratory for 2 blood samples unless specifically instructed by a healthcare provider.
4. Which level of care serves as a referral center for primary health facilities?
- A. Secondary level health care
- B. Primary health care
- C. Tertiary level care
- D. Intermediate level care
Correct answer: A
Rationale: Secondary level health care is the correct answer as it serves as a referral center for primary health facilities. Primary health care refers to basic health services provided in the community setting. Tertiary level care involves specialized services like hospitals with advanced medical equipment and expertise. Intermediate level care is not a standard term in the hierarchy of health care services.
5. A child and his family were exposed to Mycobacterium tuberculosis about 2 months ago. To confirm the presence or absence of an infection, it is most important for all family members to have a
- A. Chest x-ray
- B. Blood culture
- C. Sputum culture
- D. PPD intradermal test
Correct answer: D
Rationale: The PPD (purified protein derivative) intradermal test is the standard screening method for detecting tuberculosis infection. It helps identify individuals who have been infected with Mycobacterium tuberculosis. A chest x-ray (Choice A) is used to assess the extent of active disease, not for screening purposes. Blood culture (Choice B) is not typically used for tuberculosis screening. Sputum culture (Choice C) is used to confirm active tuberculosis in symptomatic individuals, not for initial screening purposes.
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