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Nursing Elites

ATI TEAS 7

physics

1. What property of matter remains constant regardless of changes in its state?

Correct answer: a

Rationale: Mass remains constant for a given amount of matter, regardless of its state (solid, liquid, or gas) or its location in the universe. Explanation of other options:

2. The following epithelium lines the inner surface of the oral cavity, providing a barrier against external insults. Which type of epithelium best fits this description?

Correct answer: B

Rationale: The correct answer is B: Stratified squamous epithelium. The oral cavity is subjected to mechanical stress and potential injuries from chewing and abrasive food particles. Stratified squamous epithelium is the best choice for this location due to its multiple layers of cells that provide protection against wear and tear. This type of epithelium is well-suited for areas that require a tough, protective barrier, making it ideal for lining the oral cavity. In contrast, simple squamous epithelium is a single layer of flat cells found in locations where filtration or diffusion occurs, not where protection is needed. Simple columnar epithelium and pseudostratified columnar epithelium are better suited for absorption and secretion functions in areas like the intestines and respiratory tract, respectively.

3. According to the wave theory of light, the bright fringes observed in a double-slit experiment correspond to:

Correct answer: A

Rationale: The correct answer is A: Constructive interference. According to the wave theory of light, when two light waves meet in phase (crest to crest or trough to trough), they combine to produce a brighter fringe. This is known as constructive interference, leading to the formation of bright fringes in a double-slit experiment. Destructive interference, on the other hand, occurs when two waves are out of phase (crest to trough), resulting in a dimmer or dark fringe. Increased diffraction refers to the bending of light waves around obstacles, not the formation of bright fringes. Total internal reflection is a phenomenon that occurs at the boundary between two different mediums when light is reflected back into the original medium. Therefore, the bright fringes observed in a double-slit experiment correspond to constructive interference.

4. The formula for calculating heart rate is HR = (220 - age) * 0.65. If a patient's heart rate is 136.5, what is their age?

Correct answer: B

Rationale: Rearrange the formula to solve for age: age = 220 - (HR / 0.65). Substitute the heart rate (136.5) to get 40 years old.

5. Which word is misspelled?

Correct answer: D

Rationale: "Indelible" is spelled correctly, while "circumstance" should be "circumstance."

6. What is the correct way to write "25th anniversary" as a word?

Correct answer: D

Rationale: Ordinals (numbers with "th", "st", "nd", etc.) are generally written as words when used before nouns. Option (d) is correct.

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