Nursing Elites

1. Following the scientific method, which steps would be done before gathering qualitative data?

• A. Communicate with a scientific journal
• B. Define the problem
• C. Develop a hypothesis
• D. Categorize data for statistical analysis

Correct answer: B

Rationale: In the scientific method, defining the problem is typically the initial step. Before gathering qualitative data, it is essential to clearly outline and understand the issue or question being addressed. This step helps in guiding the research process and ensures that the data collected are relevant to the problem at hand. Communicating with a scientific journal (Choice A) is not a standard step in the scientific method; it comes after the research is conducted. Developing a hypothesis (Choice C) usually follows defining the problem and precedes data collection. Categorizing data for statistical analysis (Choice D) occurs after data collection, not before gathering qualitative data.

2. Which of the following best defines the anatomical term medial?

• A. Being face down
• B. On the front of the body or limb
• C. Near to the midline of the body
• D. Above or on top of the lungs

Correct answer: C

Rationale: The correct definition of the anatomical term 'medial' is being close or near to the midline of the body. This term describes a position closer to the center or midline of the body, opposite to 'lateral' which refers to a position further away from the midline. Choice A, 'Being face down,' is incorrect as it describes the anatomical term 'prone.' Choice B, 'On the front of the body or limb,' is incorrect as it describes the anatomical term 'anterior.' Choice D, 'Above or on top of the lungs,' is incorrect as it does not relate to the term 'medial.'

3. What is the primary function of the strong nuclear force?

• A. Binding electrons in atomic orbitals
• B. Binding protons and neutrons within the nucleus
• C. Mediating the attractive force between opposite charges
• D. Mediating the repulsive force between like charges

Correct answer: B

Rationale: The strong nuclear force primarily functions to bind protons and neutrons within the nucleus. It is responsible for overcoming the electrostatic repulsion between positively charged protons, holding the nucleus together. Choices A, C, and D are incorrect because the strong nuclear force specifically acts on nucleons (protons and neutrons) within the nucleus, not on electrons in atomic orbitals or charges outside the nucleus.

4. What is the role of the diaphragm in respiration?

• A. To regulate air pressure in the lungs
• B. To contract and expand the lungs
• C. To store oxygen
• D. To break down carbon dioxide

Correct answer: B

Rationale: The correct answer is B. The diaphragm plays a crucial role in respiration by contracting and expanding the lungs. When the diaphragm contracts, it moves downward, creating more space in the chest cavity and allowing the lungs to expand. This expansion leads to a decrease in pressure inside the lungs, causing air to rush in. When the diaphragm relaxes, it moves back up, decreasing the space in the chest cavity and causing the lungs to deflate. This action increases the pressure in the lungs, leading to air being pushed out. Therefore, the diaphragm's main function is to facilitate the inhalation and exhalation of air by contracting and expanding the lungs. Choices A, C, and D are incorrect because the diaphragm's primary function is not to regulate air pressure in the lungs, store oxygen, or break down carbon dioxide. Instead, its main purpose is to aid in the mechanical process of breathing.

5. Which of the following best describes the mode of the passage?

• A. expository
• B. narrative
• C. persuasive
• D. descriptive

Correct answer: A

Rationale: The passage is expository as it provides factual information about the sensory, motor, and perceptual development in babies during the first two years of life. It explains how babies' senses develop, focusing on hearing and vision in their early stages. The passage presents these developmental milestones in a straightforward and informative manner, making it expository. Choice B (narrative) is incorrect because the passage does not tell a story or present a sequence of events involving characters. Choice C (persuasive) is incorrect as there is no attempt to convince or persuade the reader of a particular viewpoint. Choice D (descriptive) is incorrect because the passage does not aim to create a vivid picture or impression using sensory details; instead, it focuses on providing clear information about sensory development in infants.

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