HESI LPN
Fundamentals HESI
1. A charge nurse is observing a newly licensed nurse prepare a sterile field. Which of the following actions should the charge nurse identify as contaminating the sterile field?
- A. The nurse opens the sterile field on a wet surface.
- B. The nurse turns away from the sterile field.
- C. The nurse uses a non-sterile glove to touch the sterile field.
- D. The nurse touches the edge of the sterile drape with her hand.
Correct answer: A
Rationale: The correct answer is A. Opening the sterile field on a wet surface contaminates it, rendering it unsafe for use. Moisture can carry microorganisms that can compromise the sterility of the field. Choice B is incorrect because turning away from the sterile field alone does not necessarily contaminate it unless the nurse touches non-sterile items. Choice C is incorrect because using a non-sterile glove to touch the sterile field directly introduces contaminants. Choice D is incorrect as touching the edge of the sterile drape with a hand may not necessarily contaminate the entire field, unlike opening it on a wet surface.
2. A nurse is caring for a client who has a surgical wound. Which of the following laboratory values places the client at risk for poor wound healing?
- A. Serum albumin 3 g/dL
- B. Total lymphocyte count 2400/mm3
- C. HCT 42%
- D. HGB 16 g/dL
Correct answer: A
Rationale: The correct answer is A: Serum albumin 3 g/dL. Low levels of serum albumin indicate poor nutritional status and can impair wound healing. Total lymphocyte count, HCT, and HGB levels are not directly related to wound healing and do not pose a significant risk for poor wound healing in this context. Total lymphocyte count reflects the immune status, HCT measures the percentage of red blood cells in blood, and HGB measures the amount of hemoglobin in blood.
3. During a skin assessment, a client expresses concern about skin cancer. What findings should the nurse identify as a potential indication of a skin malignancy?
- A. A mole with an asymmetrical appearance.
- B. A mole with a regular border.
- C. A mole that is the same color throughout.
- D. A mole that is smaller than 6mm in diameter.
Correct answer: A
Rationale: The correct answer is A: A mole with an asymmetrical appearance. Asymmetry is a key characteristic of potential skin malignancy. An asymmetrical mole does not have a uniform shape when divided in half. This irregularity raises suspicion for skin cancer. Choices B, C, and D are incorrect. A mole with a regular border (B) is more likely to be benign. A mole that is the same color throughout (C) is also a feature commonly seen in benign moles. Additionally, a mole smaller than 6mm in diameter (D) is not necessarily indicative of malignancy, as some melanomas can be smaller or larger than this size.
4. A nurse is in a public building when someone cries out, 'Help! I think he is having a heart attack!' The nurse responds to the scene and finds the unconscious adult lying on the floor. Another bystander has obtained an AED. The nurse's first action, after ensuring someone has called for EMS, should be to:
- A. Administer cardiac compressions
- B. Attach the AED pads to the client
- C. Check for a pulse
- D. Perform rescue breaths
Correct answer: A
Rationale: In a scenario where a person is unconscious and there is an indication of a possible heart attack, the immediate priority for the nurse should be to administer cardiac compressions. This action helps maintain circulation and ensures oxygenated blood reaches vital organs until the AED is available. Checking for a pulse or performing rescue breaths may delay essential circulation support, and attaching AED pads should follow the initial step of administering compressions to maximize the chances of a successful resuscitation.
5. A healthcare professional working in the emergency department is witnessing the signing of informed consent forms for the treatment of multiple clients during their shift. Which of the following signatures may the healthcare professional legally witness?
- A. A 16-year-old client who is married
- B. A 27-year-old who has schizophrenia
- C. An adoptive parent who brings in their 8-year-old child
- D. A 17-year-old mother who brings in her toddler
Correct answer: A
Rationale: The correct answer is A. A 16-year-old who is married can legally sign an informed consent form. In this case, being married at 16 may indicate legal emancipation or the ability to consent to medical treatment. Choice B is incorrect because having schizophrenia doesn't automatically imply incapacity to provide informed consent. Choice C is incorrect as an adoptive parent does not have the legal authority to provide consent for medical treatment on behalf of a child without proper documentation. Choice D is incorrect as a 17-year-old mother would generally not have the legal capacity to give consent for her toddler, as parental consent is usually required for minors.
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