ATI TEAS 7
physics
1. What is the relationship between work, force, and displacement?
- A. Work is directly proportional to force but inversely proportional to displacement
- B. Work is directly proportional to both force and displacement
- C. Work is inversely proportional to force but directly proportional to displacement
- D. Work is inversely proportional to both force and displacement
Correct answer: b
Rationale: Work done is the product of force and displacement in the direction of the force.
2. What type of genetic testing can reveal an individual's susceptibility to certain diseases?
- A. Karyotyping
- B. Pharmacogenomics
- C. Paternity testing
- D. Microarray analysis
Correct answer: D
Rationale: Rationale: A) Karyotyping is a genetic test that examines an individual's chromosomes to detect abnormalities such as extra or missing chromosomes. It is not typically used to reveal an individual's susceptibility to certain diseases. B) Pharmacogenomics is the study of how genes affect a person's response to drugs. It focuses on how genetic variations can influence drug response, rather than susceptibility to diseases. C) Paternity testing is a genetic test used to determine the biological relationship between a child and an alleged father. It is not used to reveal an individual's susceptibility to diseases. D) Microarray analysis is a type of genetic testing that can reveal an individual's susceptibility to certain diseases by analyzing variations in their DNA. It can identify genetic markers associated with increased risk for specific conditions, allowing for personalized risk assessment and preventive measures.
3. A scientist observes a new species of plant with unusual leaves. They hypothesize that the leaves help capture more sunlight. Which observation would LEAST support this hypothesis?
- A. The plant grows in shady environments.
- B. The leaves have a large surface area.
- C. The leaves contain high levels of chlorophyll.
- D. The plant has shallow roots.
Correct answer: A
Rationale: If the plant thrives in shade, it suggests the leaves may have adapted for other purposes than maximizing sunlight capture.
4. Which term refers to the measure of the mass of a substance per unit volume and is commonly expressed in kilograms per cubic meter?
- A. Mass
- B. Weight
- C. Density
- D. Volume
Correct answer: c
Rationale: Density is the measure of the mass of a substance per unit volume and is commonly expressed in kilograms per cubic meter (kg/m³).
5. The phrase "illuminates not only past events" suggests that history
- A. primarily serves as a nostalgic exercise in remembering old stories.
- B. offers valuable lessons beyond simply recalling occurrences from the past.
- C. is focused solely on factual accuracy and avoids drawing any interpretations.
- D. exists only as a static record of unchanging events with no relevance to our lives.
Correct answer: B
Rationale: The phrase highlights that history goes beyond mere chronology, offering valuable insights and lessons beyond the dates and facts.
6. Which of the following factors does NOT affect the rate of dissolution of a solute in a solvent?
- A. Temperature
- B. Pressure
- C. Surface area
- D. Particle size
Correct answer: B
Rationale: Pressure does not affect the rate of dissolution of a solute in a solvent. The factors that do affect the rate of dissolution include temperature, surface area, and particle size. Temperature generally increases the rate of dissolution as it provides more energy for the solute particles to break apart and mix with the solvent. Increasing the surface area of the solute by grinding it into smaller particles or increasing its contact area with the solvent can also speed up dissolution. Similarly, reducing the particle size of the solute can increase the rate of dissolution by providing more surface area for interaction with the solvent.
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