HESI A2
Vocabulary for HESI A2
1. Which of the following should never be performed by a healthcare professional?
- A. Heimlich maneuver
- B. Euthanasia
- C. Assessment
- D. Palliative care
Correct answer: B
Rationale: Euthanasia, which involves deliberately ending a person's life to relieve suffering, is a controversial and illegal practice in many countries. Healthcare professionals should not be involved in performing euthanasia as it goes against medical ethics and principles of preserving life and providing care. Assistance in hastening death is not within the scope of healthcare professionals' responsibilities. Assessments, such as physical examinations or patient evaluations, are crucial for diagnosing and treating patients. Palliative care focuses on improving the quality of life for individuals with serious illnesses and should be provided by healthcare professionals. However, euthanasia is not an acceptable practice for healthcare professionals due to ethical considerations and legal restrictions.
2. To aspirate fluid, you might use a ___________.
- A. syringe
- B. beaker
- C. test tube
- D. flange
Correct answer: A
Rationale: To aspirate fluid, you would typically use a syringe. A syringe is a device consisting of a tube and a plunger, which allows you to draw fluids such as blood or medication into the tube by pulling back on the plunger. This action is called aspiration, and the syringe is a common tool for this purpose in various medical procedures. Choices B, C, and D are incorrect as they are not typically used for aspiration procedures. A beaker is a glass container used for holding liquids, a test tube is used for holding or mixing small quantities of substances, and a flange is a projecting rim or edge used for strength or for attaching to another object.
3. What does 'deteriorating' mean?
- A. Improving
- B. Worsening
- C. Staying the same
- D. Fluctuating
Correct answer: B
Rationale: The correct answer is B, 'Worsening.' Deteriorating refers to something getting worse over time, not improving (choice A), staying the same (choice C), or fluctuating (choice D).
4. What is Diffusion?
- A. Movement of materials from low concentration to high concentration
- B. Movement of materials from high concentration to low concentration
- C. Absorption of nutrients
- D. Breaking of materials
Correct answer: B
Rationale: Diffusion is the process where substances move from an area of high concentration to an area of low concentration. This movement occurs due to the random motion of particles and continues until equilibrium is reached. Choice A is incorrect because diffusion occurs down the concentration gradient, from high to low concentration, not from low to high concentration. Choice C is incorrect as it refers to the uptake of substances by cells, not the general process of diffusion. Choice D is incorrect as it does not accurately describe the process of diffusion; diffusion involves the movement of substances, not the breaking of materials.
5. The eye drops were intended to _____ the pupils for the eye exam.
- A. dilate
- B. constrict
- C. enlarge
- D. decrease
Correct answer: A
Rationale: The correct answer is 'dilate.' Eye drops are used to dilate the pupils, meaning to widen or enlarge them, which is necessary for an eye exam to allow more light to enter the eye. 'Constrict' (choice B) means to make smaller, which is the opposite effect needed for an eye exam. 'Enlarge' (choice C) is similar in meaning to dilate but is not the correct term used in this context. 'Decrease' (choice D) means to make less or reduce, which is also the opposite of what is required for an eye exam.
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