Nursing Elites

1. What is the primary function of platelets in the blood?

• A. To carry oxygen
• B. To clot blood
• C. To fight infection
• D. To transport nutrients

Correct answer: B

Rationale: The correct answer is B: 'To clot blood.' Platelets play a crucial role in the clotting process, forming a plug at the site of blood vessel injury to prevent excessive bleeding. While red blood cells carry oxygen, white blood cells fight infection, and nutrients are transported by plasma, platelets are specifically responsible for blood clotting. Choice A is incorrect because red blood cells are responsible for carrying oxygen. Choice C is incorrect because white blood cells are primarily involved in fighting infection. Choice D is incorrect as the transport of nutrients is mainly carried out by plasma, not platelets.

2. Based on an examination of word parts, which of the following words means 'abnormality of movement'?

• A. Dyskinesia
• B. Hyperkinesia
• C. Akinesia
• D. Hypokinesia

Correct answer: A

Rationale: The correct answer is 'Dyskinesia.' By breaking down the word parts, 'dys-' means difficult or abnormal, and '-kinesia' refers to movement. Therefore, 'Dyskinesia' means an abnormality of movement. Choice B, 'Hyperkinesia,' is incorrect as 'hyper-' means excessive, not abnormal. Choice C, 'Akinesia,' is incorrect as 'a-' means without, not abnormal. Choice D, 'Hypokinesia,' is incorrect as 'hypo-' means deficient, not abnormal.

3. Which of the following is NOT a major component of a healthy blood pressure reading?

• A. Systolic pressure (peak pressure during ventricular contraction)
• B. Diastolic pressure (pressure within arteries during ventricular relaxation)
• C. Pulse pressure (difference between systolic and diastolic pressure)
• D. Blood oxygen saturation levels. While blood oxygen levels are crucial for overall health, they are not directly reflected in a blood pressure reading.

Correct answer: D

Rationale: Blood oxygen saturation levels are essential for overall health but are not directly part of a blood pressure reading. A healthy blood pressure reading consists of systolic pressure, diastolic pressure, and pulse pressure. Systolic pressure represents the peak pressure during ventricular contraction, diastolic pressure reflects the pressure within arteries during ventricular relaxation, and pulse pressure is the difference between systolic and diastolic pressure. These components collectively provide information about the pressure variations within the arteries throughout the cardiac cycle phases, contributing to the assessment of cardiovascular health. Therefore, choice D, blood oxygen saturation levels, is not a major component of a healthy blood pressure reading and is the correct answer. Choices A, B, and C are major components of a healthy blood pressure reading and directly relate to the pressure variations within the arteries during different phases of the cardiac cycle.

4. What are the three types of capillaries?

• A. Continuous, fenestrated, sinusoidal
• B. Continuous, discontinuous, fenestrated
• C. Sinusoidal, alveolar, continuous
• D. Continuous, fenestrated, vascular

Correct answer: A

Rationale: The correct answer is A: Continuous, fenestrated, sinusoidal. Capillaries are classified into three types based on their permeability: continuous (least permeable), fenestrated (moderately permeable), and sinusoidal (most permeable). Choices B, C, and D are incorrect because they do not represent the three main types of capillaries. Choice B includes 'discontinuous' which is not a recognized type. Choice C includes 'alveolar' which is not a type of capillary, and Choice D includes 'vascular' which is too broad and not specific to capillary classification.

5. Which of the following choices best combines the following sentences? The French and Indian War was not an isolated war in North America. It was part of a larger war that Europe was fighting. Europeans called it the Seven Years’ War.

• A. The French and Indian War did not occur in North America but was rather a small part of the larger European war known as the Seven Years’ War.
• B. What Europeans called the Seven Years’ War was called the French and Indian War in North America. It was part of a larger war that Europe was fighting.
• C. The French and Indian War was not an isolated war in North America but was rather part of a larger war that Europe was fighting, known among Europeans as the Seven Years’ War.
• D. While North America was fighting the French and Indian War, the Europeans were fighting a much larger war known as the Seven Years’ War.

Correct answer: C

Rationale: Choice C best combines the sentences by correctly stating that the French and Indian War was not an isolated conflict in North America but rather part of a larger war that Europe was engaged in, known as the Seven Years’ War. This option maintains the chronological order of events and provides a clear and concise explanation. Choices A, B, and D either incorrectly convey the relationship between the wars, introduce unnecessary information, or deviate from the original context of the sentences, making them less suitable for combining the information effectively.

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