Nursing Elites

1. Which of the following vessels is responsible for pumping oxygenated blood to the body?

• A. Right ventricle
• B. Left ventricle
• C. Pulmonary artery
• D. Aorta

Correct answer: D

Rationale: The aorta is the correct answer because it is responsible for pumping oxygenated blood from the heart to the rest of the body. The aorta is the main artery that carries blood away from the heart and distributes it to all parts of the body, providing oxygen and nutrients to the tissues. Choices A, B, and C are incorrect. The right ventricle pumps deoxygenated blood to the lungs through the pulmonary artery, the left ventricle pumps oxygenated blood to the body through the aorta, and the pulmonary artery carries deoxygenated blood from the heart to the lungs for oxygenation.

2. Which type of capillary is the most common and least permeable?

• A. Fenestrated capillaries
• B. Sinusoidal capillaries
• C. Continuous capillaries
• D. Discontinuous capillaries

Correct answer: C

Rationale: The correct answer is C, continuous capillaries. Continuous capillaries are the most common and least permeable type of capillary. They are found in most tissues, including muscle and the nervous system. Continuous capillaries have a continuous endothelium without fenestrations or large gaps, which limits the movement of substances across their walls. Choice A, fenestrated capillaries, have pores (fenestrations) in their endothelial cells, making them more permeable than continuous capillaries. Choice B, sinusoidal capillaries, have a discontinuous endothelium with large gaps between cells, making them more permeable and allowing larger molecules and cells to pass through compared to continuous capillaries. Choice D, discontinuous capillaries, are similar to sinusoidal capillaries with a discontinuous endothelium, allowing for enhanced permeability compared to continuous capillaries.

3. Which statement below best describes the process of condensation?

• A. Condensation is the process of changing from a gas to a liquid.
• B. Condensation is the process of changing from a liquid to a gas.
• C. Condensation is the process of changing from a solid to a liquid.
• D. Condensation is the process of changing from a solid to a gas.

Correct answer: A

Rationale: The correct answer is A: 'Condensation is the process of changing from a gas to a liquid.' Condensation occurs when a gas cools and transforms into a liquid state. For example, when water vapor in the air cools and forms droplets, it is an example of condensation. This process is commonly observed in the formation of clouds or dew on grass in the early morning. Choice B is incorrect because it describes the process of vaporization rather than condensation. Choice C is incorrect as it refers to the process of melting. Choice D is incorrect as it describes sublimation, which is the transition from a solid to a gas without passing through the liquid phase.

4. Everyday items like potatoes, bread, onions, and even saliva are the tools of art conservators, who work to clean and restore works of art. Which of the following is misspelled in the sentence above?

• A. potatoes
• B. saliva
• C. conservators
• D. restore

Correct answer: A

Rationale: The correct spelling is 'potatoes,' with the correct plural form being used in this context. The other choices are spelled correctly: 'saliva,' 'conservators,' and 'restore.' 'Saliva' refers to a bodily fluid, 'conservators' are professionals who work on art conservation, and 'restore' means to bring something back to its original condition or state.

5. Select the meaning of the highlighted word in the sentence based on the context clues: If you wake up outside in your pajamas in the middle of the night, you may be a 'somnambulist'.

• A. Explorer
• B. Magician
• C. Insomniac
• D. Sleepwalker

Correct answer: D

Rationale: The correct answer is D: 'Sleepwalker'. The word 'somnambulist' refers to a sleepwalker, as indicated by the context of waking up outside in pajamas in the middle of the night. A sleepwalker is someone who walks while asleep, and this matches the situation described in the sentence. Choices A, B, and C are incorrect because they do not align with the behavior of walking during sleep, which is characteristic of a somnambulist/sleepwalker.

Similar Questions