ATI TEAS 7
Nursing Metric Conversion
1. What is the term for the amount of space an object occupies?
- A. mass
- B. volume
- C. density
- D. area
Correct answer: B
Rationale: The correct term for the amount of space an object occupies is 'volume.' Volume refers to the three-dimensional space that an object occupies and is measured in cubic units like cubic meters. 'Mass' (Choice A) refers to the amount of matter in an object, 'density' (Choice C) is the mass per unit volume of a substance, and 'area' (Choice D) is the measurement of the extent of a surface.
2. Which of the following epithelial tissues lines the stratified squamous epithelium of the esophagus, providing a protective barrier against abrasion from food passage?
- A. Simple squamous epithelium
- B. Stratified squamous epithelium
- C. Simple cuboidal epithelium
- D. Stratified cuboidal epithelium
Correct answer: B
Rationale: The correct answer is stratified squamous epithelium. This type of epithelium is found in areas subjected to mechanical and chemical stresses, such as the lining of the esophagus. The multiple layers of cells provide protection against abrasion from the passage of food. Simple squamous epithelium (choice A) is a single layer of flat cells and is not well-suited for protection against abrasion as it lacks the multiple layers. Simple cuboidal epithelium (choice C) is found in areas where secretion and absorption occur, such as kidney tubules, and is not typically found in the esophagus where protection against abrasion is necessary. Stratified cuboidal epithelium (choice D) is rare in the body and is not a characteristic tissue type of the esophagus, which requires stratified squamous epithelium for its protective function.
3. Which of the following is an example of a chemical change?
- A. Dissolving sugar in water
- B. Boiling water
- C. Rusting iron
- D. Crushing ice
Correct answer: C
Rationale: Rusting iron is an example of a chemical change because it involves a chemical reaction where iron reacts with oxygen in the presence of water to form iron oxide (rust). This reaction results in a change in the chemical composition of the iron, unlike dissolving sugar in water, boiling water, or crushing ice, which are physical changes. Dissolving sugar in water is a physical change as sugar molecules remain unchanged but disperse in water. Boiling water is also a physical change as water changes its state from liquid to gas due to heat. Crushing ice is a physical change as the solid ice changes its physical form without altering its chemical composition.
4. What happens to the work done on an object when the angle between the force and displacement is 90 degrees?
- A. Maximum work is done
- B. No work is done
- C. Minimum work is done
- D. Work is infinite
Correct answer: B
Rationale: When the angle between the force and displacement is 90 degrees, the work done is given by the formula W = F * d * cos(theta), where theta is the angle between the force and displacement vectors. Since cos(90 degrees) = 0, the work done becomes zero. This means that no work is done on the object when the angle between the force and displacement is 90 degrees. Choice A is incorrect because maximum work is done when the force and displacement are in the same direction (theta = 0 degrees). Choice C is incorrect as minimum work is done when the force and displacement are parallel (theta = 0 degrees), not perpendicular. Choice D is incorrect because work cannot be infinite; it depends on the force, displacement, and the cosine of the angle between them.
5. Which of the following pieces of writing should include citations?
- A. A comparison of the language used in two different Shakespeare plays
- B. A news article describing a burglary
- C. A description of your favorite play
- D. A personal essay about your lifelong interest in marine biology
Correct answer: A
Rationale: The correct answer is A. A comparison of the language used in two different Shakespeare plays should include citations to support the analysis. Citations are necessary in academic or analytical pieces to give credit to the original sources, especially when comparing specific works. Choices B, C, and D do not require citations as they are more subjective or personal in nature. Choice B, a news article, should be based on facts and not personal analysis. Choice C is a personal opinion, and choice D is a personal essay based on the author's experiences and interests, where citations are not typically needed.
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