ATI TEAS 7
physics
1. Which of the following is a unit of work and energy?
- A. Pascal (Pa)
- B. Kilowatt-hour (kWh)
- C. Coulomb (C)
- D. Tesla (T)
Correct answer: b
Rationale: Kilowatt-hour is a unit used to measure both work and energy, especially in the context of electricity consumption.
2. Identify the noun in the following sentence: The aroma of freshly baked bread filled the kitchen.
- A. filled
- B. kitchen
- C. aroma
- D. freshly
Correct answer: C
Rationale: Nouns name people, places, things, or ideas. "Aroma" names a specific type of smell.
3. What type of energy does a stretched rubber band possess?
- A. Kinetic energy
- B. Potential energy
- C. Thermal energy
- D. Mechanical energy
Correct answer:
Rationale: When a rubber band is stretched, it stores potential energy due to its position or state.
4. A medication must be taken twice daily, 12 hours apart. If the first dose is at 8:00 AM, what is the most convenient time for the second dose to avoid disrupting sleep?
- A. 4:00 PM
- B. 6:00 PM
- C. 8:00 PM
- D. 10:00 PM
Correct answer: B
Rationale: Rationale: To take the medication 12 hours apart from the first dose at 8:00 AM, the second dose should be taken at 8:00 PM. However, to avoid disrupting sleep, it is recommended to take the second dose a bit earlier. Taking the second dose at 6:00 PM ensures that the medication is still being taken 12 hours apart while allowing for a buffer before bedtime to avoid any potential disruptions to sleep.
5. What are the differences between RNA and DNA?
- A. Both have the same structure and function.
- B. RNA is single-stranded, while DNA is double-stranded.
- C. RNA contains ribose sugar, while DNA contains deoxyribose sugar.
- D. RNA has adenine and guanine, while DNA has thymine and cytosine.
Correct answer: B
Rationale: Rationale: A) This statement is incorrect. RNA and DNA have different structures and functions. RNA is involved in protein synthesis and other cellular processes, while DNA stores genetic information. B) This statement is correct. RNA is typically single-stranded, while DNA is double-stranded, forming a double helix structure. C) This statement is correct. RNA contains ribose sugar in its backbone, while DNA contains deoxyribose sugar. D) This statement is incorrect. RNA contains adenine, guanine, cytosine, and uracil, while DNA contains adenine, guanine, cytosine, and thymine.
6. A medication order is written as 3/4 of a tablet. If each tablet is 500mg, what is the equivalent dosage in milligrams?
- A. 375mg
- B. 425mg
- C. 450mg
- D. 475mg
Correct answer: A
Rationale: Multiply the tablet strength (500mg) by the fractional dose (3/4) to get 375 milligrams.
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