ATI TEAS 7
Nursing Metric Conversions
1. What is 0.3 as a fraction in simplest form?
- A. 3/10
- B. 1/3
- C. 1/4
- D. 1/5
Correct answer: A
Rationale: To convert 0.3 to a fraction, we take 0.3 and express it as 3/10. This fraction is already in its simplest form because 3 and 10 do not have any common factors other than 1. Choice B, 1/3, is incorrect as it represents a different value. Choice C, 1/4, and Choice D, 1/5, are also incorrect as they do not match the equivalent fraction for 0.3.
2. Based on the context, which of the following is the meaning of the word move in the passage?
- A. drive
- B. sell
- C. advance forward
- D. change location
Correct answer: B
Rationale: In the context provided, the word 'move' is used to indicate that the vehicles are 'marked to move quickly,' which implies that they are intended to be sold rapidly. Therefore, the correct meaning of 'move' in this context is 'sell.' Options A, C, and D do not accurately capture the intention of the word as it is used in the passage. While 'advance forward' (Option C) might seem plausible, the context of a sales event and the urgency to buy due to low prices indicate that 'sell' is the most fitting interpretation.
3. Which type of joint allows for the most movement?
- A. Ball-and-socket joint (shoulder)
- B. Hinge joint (elbow)
- C. Fibrocartilaginous joint (wrists)
- D. Suture joint (skull)
Correct answer: A
Rationale: The correct answer is A: Ball-and-socket joint (shoulder). Ball-and-socket joints, exemplified by the shoulder joint, provide the widest range of movement among joint types. These joints facilitate flexion, extension, abduction, adduction, and rotation, allowing for versatile mobility. In a ball-and-socket joint, the rounded end of one bone fits into the socket of another bone, enabling extensive motion capabilities. Choice B, Hinge joint (elbow), allows movement in one plane, limiting its range compared to ball-and-socket joints. Choice C, Fibrocartilaginous joint (wrists), like the intervertebral discs, is meant for stability rather than extensive movement. Choice D, Suture joint (skull), found in the skull bones, is immovable and provides structural support rather than movement.
4. What are the cellular functions of cilia and flagella?
- A. Cilia and flagella are responsible for cell movement.
- B. Cilia and flagella synthesize proteins.
- C. Cilia and flagella help protect the cell from its environment.
- D. Cilia and flagella have enzymes that help with digestion.
Correct answer: A
Rationale: Cilia and flagella are microtubule-based structures found on the surface of many eukaryotic cells. Their primary function is to facilitate cell movement. Cilia are short, numerous, and move in coordinated waving motions to move substances along the cell's surface. Flagella are longer and usually limited to one or a few per cell, providing a propeller-like movement for the cell. Both cilia and flagella aid in cell motility and are essential for various cellular functions, primarily involved in cell movement rather than protein synthesis, protection, or digestion. Therefore, choice A is correct as it accurately describes the primary function of cilia and flagella. Choices B, C, and D are incorrect as cilia and flagella are not involved in protein synthesis, cell protection, or digestion in cells.
5. Which of the following is true regarding T cells?
- A. They are only seen in individuals with leukemia.
- B. They are a specialized type of white blood cell.
- C. They mature in the thymus.
- D. They play a role in the immune response.
Correct answer: D
Rationale: The correct answer is D: T cells are a specialized type of white blood cell that play a crucial role in the immune response. They are produced in the bone marrow and mature in the thymus gland. T cells help coordinate and regulate the immune response to pathogens and foreign substances by interacting with other immune cells. Choices A, B, and C are incorrect. T cells are not exclusively seen in individuals with leukemia; they are a normal component of the immune system found in healthy individuals. While it is true that T cells are a specialized type of white blood cell, the key characteristic being tested in this question is their role in the immune response. Lastly, T cells do mature in the thymus, but this alone does not encompass the full scope of their function in the immune system.
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