Nursing Elites

1. For the core of an electromagnet, a material with high:

• A. Resistivity is ideal
• B. Permeability is preferred
• C. Permittivity is crucial
• D. Dielectric strength is essential

Correct answer: B

Rationale: A material with high permeability is preferred for the core of an electromagnet because it allows magnetic field lines to pass through it easily, enhancing the strength of the magnetic field generated. Choice A is incorrect because high resistivity would impede the flow of current in the coil, reducing the strength of the magnetic field. Choice C is incorrect as permittivity is related to electric fields, not magnetic fields. Choice D is also incorrect because dielectric strength is about insulating materials against breakdown under an electric field, not relevant to enhancing magnetic fields.

2. What is the role of the stomach in digestion?

• A. To absorb nutrients
• B. To break down food
• C. To secrete digestive enzymes
• D. To transport nutrients

Correct answer: B

Rationale: The correct answer is B: To break down food. The stomach's primary function in digestion is to mechanically and chemically break down food. It achieves this by utilizing gastric acid and digestive enzymes to convert food into chyme, a semi-liquid mixture. The chyme is then passed to the small intestine for further processing and absorption of nutrients. Choices A, C, and D are incorrect because the stomach's main role is not to absorb nutrients, secrete digestive enzymes, or transport nutrients; instead, it primarily focuses on breaking down food.

3. What is another name for the voice box?

• A. Trachea
• B. Larynx
• C. Pharynx
• D. Esophagus

Correct answer: B

Rationale: The correct answer is B: Larynx. The voice box is commonly known as the larynx, which plays a vital role in producing sound. The trachea (choice A) is the windpipe that carries air to and from the lungs, not the voice box. The pharynx (choice C) is the throat passageway for air and food, distinct from the voice box. The esophagus (choice D) is the tube that carries food and liquids from the throat to the stomach, not related to the voice box. Therefore, the larynx is the specific anatomical structure referred to as the voice box.

4. What is the best description of aseptic?

• A. Infected
• B. Purified
• C. Contaminated
• D. Sterilized

Correct answer: B

Rationale: The correct answer is B: 'Purified.' Aseptic means free from contamination or purified. In medical and scientific contexts, aseptic techniques are used to prevent contamination and maintain sterility in environments or procedures. Choice A, 'Infected,' is incorrect as aseptic refers to being free from contamination, not being infected. Choice C, 'Contaminated,' is incorrect as aseptic means the opposite of contaminated. Choice D, 'Sterilized,' is incorrect as aseptic focuses on the absence of contamination rather than the process of sterilization.

5. If a patient’s condition is deteriorating, he is ___________.

• A. getting worse
• B. improving gradually
• C. resisting medication
• D. failing to eat or drink

Correct answer: A

Rationale: When a patient's condition is deteriorating, it means that their health is declining or worsening. This can involve a range of factors such as worsening symptoms, declining vital signs, or an overall decline in health status. In this context, the phrase 'getting worse' best describes the situation of a patient whose condition is deteriorating. Choices B, C, and D are incorrect because they do not reflect the concept of deterioration in a patient's health. Improving gradually (choice B) indicates a positive trend, resisting medication (choice C) suggests a behavioral response, and failing to eat or drink (choice D) points to a specific issue rather than a general decline in health.

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