HESI A2
Vocabulary HESI A2
1. Pulse, temperature, and respiration are known as ___________.
- A. vital signs
- B. vital statistics
- C. vital force
- D. vital capacity
Correct answer: A
Rationale: Pulse, temperature, and respiration are collectively known as vital signs. These measurements provide important information about a person's overall health status and are essential in assessing a person's well-being in various medical settings. Choice B, 'vital statistics,' is incorrect as vital statistics usually refer to data related to births, deaths, marriages, and health. Choice C, 'vital force,' is incorrect as it refers to a concept in some alternative medicine practices and is not a standard medical term for these measurements. Choice D, 'vital capacity,' is incorrect as it specifically refers to the maximum amount of air a person can expel from the lungs after a maximum inhalation, not a combination of pulse, temperature, and respiration.
2. What is the meaning of the word 'placebo' in the following sentence: 'Ten patients will receive the experimental drug while 10 take a placebo'?
- A. Fallback
- B. Substitute
- C. Control
- D. Curative
Correct answer: C
Rationale: In the context of the sentence, the word 'placebo' refers to a substance or treatment that resembles a real medical treatment but has no therapeutic effect. It is used as a standard against which the effects of the experimental drug are compared. A placebo is typically included in a control group in medical research to evaluate the actual effects of the experimental drug. Therefore, in this scenario, the placebo serves as a control to gauge the effectiveness of the experimental drug, making choice C the correct answer. Choices A, B, and D are incorrect because a placebo is not a fallback, substitute, or curative treatment in this context.
3. When a symptom is exacerbated, it is ___________.
- A. not dangerous
- B. disfiguring
- C. painful
- D. made worse
Correct answer: D
Rationale: When a symptom is exacerbated, it means that it is made worse or intensified beyond its usual level of severity. This can lead to increased discomfort, pain, or other negative effects associated with that particular symptom. Choice A is incorrect because exacerbation does not imply that the symptom is not dangerous. Choice B is incorrect as exacerbation does not necessarily mean disfiguring. Choice C is incorrect as exacerbation does not always specifically refer to pain, but to any worsening of a symptom.
4. The electrolytes in human bodies include sodium, potassium, calcium, and ___________, among others.
- A. magnesium
- B. manganese
- C. magnetite
- D. manganite
Correct answer: A
Rationale: Magnesium is another essential electrolyte in the human body, along with sodium, potassium, and calcium. Magnesium plays a crucial role in various bodily functions, including muscle and nerve function, regulating blood pressure, and supporting the immune system. Manganese (Choice B), magnetite (Choice C), and manganite (Choice D) are not electrolytes found in the human body. Manganese is a mineral but not an electrolyte, while magnetite and manganite are compounds and not essential electrolytes for bodily functions.
5. A symptom that is transitory is ___________.
- A. short-lived
- B. damaging
- C. fluctuating
- D. degenerating
Correct answer: A
Rationale: A symptom that is transitory is short-lived. It appears temporarily and does not persist for an extended period of time. This term indicates that the symptom is not permanent or continuous but rather temporary or fleeting.\nChoice B, damaging, is incorrect as transitory refers to the duration of the symptom, not its impact. Choice C, fluctuating, is incorrect as it implies the symptom varies in intensity, not necessarily in duration. Choice D, degenerating, is incorrect as it suggests a worsening or deteriorating condition, which is not implied by transitory.
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