HESI RN
Biology Test
1. Which organelle has the ability to hydrolyze fats, nucleic acids, proteins, and sugars?
- A. Chloroplasts
- B. Mitochondria
- C. Lysosomes
- D. Ribosomes
Correct answer: C
Rationale: The correct answer is C, Lysosomes. Lysosomes contain hydrolytic enzymes that are capable of breaking down various biomolecules such as fats, nucleic acids, proteins, and sugars. This organelle acts as the 'digestive system' of the cell. Choices A, B, and D are incorrect because chloroplasts are involved in photosynthesis, mitochondria are responsible for energy production, and ribosomes are responsible for protein synthesis, not the hydrolysis of biomolecules.
2. When teaching a group of mothers of young children about emergency care for poisoning, which of the following statements should be included?
- A. Induce vomiting immediately after the poison ingestion
- B. Call the local Poison Control Center after inducing vomiting
- C. Call the Poison Control Center prior to any interventions
- D. Take the child to the emergency department before calling the Poison Control Center
Correct answer: C
Rationale: The correct statement to include when teaching about emergency care for poisoning is to call the Poison Control Center prior to any interventions. This is important because the Poison Control Center can provide guidance on the appropriate steps to take based on the type of poisoning, the amount ingested, and the age of the child. Inducing vomiting without professional advice can sometimes do more harm than good. Choice A is incorrect because inducing vomiting immediately is not recommended without consulting with professionals. Choice B is incorrect as it suggests calling the Poison Control Center after inducing vomiting, which is not the recommended sequence. Choice D is incorrect because it is advisable to contact the Poison Control Center first before taking the child to the emergency department.
3. When developing a program to support caregivers of elderly patients, which topic should be prioritized in the first session?
- A. Managing medication schedules
- B. Recognizing signs of caregiver burnout
- C. Effective communication with healthcare providers
- D. Navigating insurance and financial issues
Correct answer: B
Rationale: Recognizing signs of caregiver burnout is the most critical topic to prioritize in the first session. Caregiver burnout can have detrimental effects on both the caregiver and the elderly patient's well-being. By addressing this issue early on, caregivers can learn to identify the signs of burnout, take necessary steps to prevent it, and ensure they can continue providing effective care for their loved ones. Managing medication schedules, effective communication with healthcare providers, and navigating insurance and financial issues are also important aspects to cover in the program. However, recognizing signs of caregiver burnout is essential for the overall health and quality of care provided by the caregivers.
4. An adolescent female who is leaning forward with her hands on her knees to breathe tells the practical nurse that she has been using triamcinolone (Azmacort) inhalation aerosol before coming to the clinic. Which action should the PN implement?
- A. Obtain vital signs and assess breath sounds for wheezing.
- B. Collect a blood sample for white blood cell count.
- C. Give the client a nebulizer breathing treatment.
- D. Administer another dose of Azmacort.
Correct answer: A
Rationale: When a patient presents with breathing difficulties, the first action should be to assess vital signs and breath sounds to evaluate the severity of the condition. This assessment will provide crucial information to determine the appropriate course of action and treatment. Collecting a blood sample for a white blood cell count, giving a nebulizer treatment, or administering another dose of Azmacort would not be the initial priority in this situation. Therefore, option A is the correct choice as it focuses on assessing the patient's respiratory status to guide further interventions.
5. A child with Graves' disease who is taking propranolol (Inderal) is seen in the clinic. The nurse should monitor the child for which therapeutic response?
- A. Increased weight gain
- B. Decreased heart rate
- C. Reduced headaches
- D. Diminished fatigue
Correct answer: B
Rationale: The correct answer is B: 'Decreased heart rate.' Propranolol is a beta-blocker commonly used to manage symptoms of hyperthyroidism, including tachycardia. Monitoring for a decreased heart rate is important as it indicates the drug's therapeutic response in controlling the elevated heart rate associated with Graves' disease. Choices A, C, and D are incorrect because weight gain, reduced headaches, and diminished fatigue are not typical therapeutic responses to propranolol in the context of managing Graves' disease.