ATI TEAS 7
Nursing Metric Conversions
1. How many milliliters are in 0.5 liters?
- A. 500 ml
- B. 50 ml
- C. 5 ml
- D. 0.5 ml
Correct answer: A
Rationale: To convert from liters to milliliters, you need to multiply by 1000 since there are 1000 milliliters in a liter. Therefore, 0.5 liters x 1000 = 500 milliliters. This conversion is common in various contexts where different units of volume are used. Choices B, C, and D are incorrect as they do not reflect the correct conversion factor from liters to milliliters.
2. Identify the reflexive pronoun in the sentence: 'She prepared herself for the presentation.'
- A. herself
- B. she
- C. presentation
- D. for
Correct answer: A
Rationale: The correct answer is 'A: herself.' A reflexive pronoun refers back to the subject of the sentence and emphasizes that the subject performed the action on itself. In the sentence 'She prepared herself for the presentation,' 'herself' refers back to the subject 'she,' making it a reflexive pronoun. Choice B, 'she,' is a subjective pronoun used as the subject of the sentence. Choice C, 'presentation,' is a noun and not a pronoun. Choice D, 'for,' is a preposition and not a pronoun.
3. Which of the following is NOT a function of the skeletal system?
- A. Support and structure
- B. Production of red blood cells
- C. Storage of minerals like calcium
- D. Insulation of the body
Correct answer: D
Rationale: The skeletal system's primary functions include support and structure, protection of internal organs, movement facilitation, production of blood cells, and storage of minerals like calcium. Insulation of the body is not a function of the skeletal system. Insulation, typically involving fat under the skin, helps regulate body temperature but is not a direct function of the skeletal system. Choice B, the production of red blood cells, is a function of the skeletal system as it occurs in the bone marrow within the bones. Choices A and C are also correct functions of the skeletal system.
4. Which of the following structures in the body is responsible for protecting the lungs and heart?
- A. Rib cage
- B. Pelvis
- C. Femur
- D. Vertebral column
Correct answer: A
Rationale: The rib cage is the correct answer. It plays a crucial role in protecting vital organs like the lungs and heart. The rib cage forms a protective barrier around these organs, shielding them from external trauma or injuries. It acts as a sturdy cage, offering structural support and safeguarding the delicate tissues and structures of the lungs and heart. The pelvis, femur, and vertebral column do not directly protect the lungs and heart; instead, they have other important functions in the body, such as supporting the body's weight, enabling movement, and protecting the spinal cord.
5. What is the difference between heat and temperature?
- A. They are the same thing.
- B. Heat is a form of energy, while temperature measures the average kinetic energy of particles.
- C. Heat flows from cold to hot, while temperature flows from hot to cold.
- D. Heat is measured in Celsius, while temperature is measured in Joules.
Correct answer: B
Rationale: Heat and temperature are distinct concepts. Heat is a form of energy that transfers from a higher temperature object to a lower temperature object, while temperature represents the average kinetic energy of particles in a substance. Heat is quantified in units like Joules or calories, whereas temperature is typically gauged in degrees Celsius or Fahrenheit. Therefore, choice B correctly distinguishes between heat and temperature, making it the correct answer. Choices A, C, and D are incorrect because they do not accurately define the difference between heat and temperature. Choice A erroneously suggests they are the same, choice C confuses the direction of heat and temperature flow, and choice D provides inaccurate units for measuring heat and temperature.
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