ATI TEAS 7
physics
1. What phenomenon occurs when two identical waves are perfectly aligned and reinforce each other?
- A. Refraction
- B. Reflection
- C. Diffraction
- D. Constructive interference
Correct answer: d
Rationale: Constructive interference happens when identical waves meet in phase, resulting in a wave with increased amplitude.
2. Fertilization, the fusion of sperm and egg, typically occurs in which part of the female reproductive system?
- A. Ovary
- B. Fallopian tube
- C. Uterus
- D. Vagina
Correct answer: B
Rationale: The correct answer is B: Fallopian tube. Fertilization usually occurs in the fallopian tube. After ovulation, the egg is released from the ovary into the fallopian tube where it can be fertilized by sperm. The fallopian tube provides the ideal environment for fertilization to take place before the fertilized egg travels to the uterus for implantation. The other options, such as the ovary, uterus, and vagina, do not typically serve as the site of fertilization. Therefore, the fallopian tube is the correct answer in this case.
3. Which vitamin is synthesized in the skin upon exposure to sunlight?
- A. Vitamin A
- B. Vitamin C
- C. Vitamin D
- D. Vitamin E
Correct answer: A
Rationale: The correct answer is Vitamin D (C). When the skin is exposed to sunlight, a compound in the skin is converted to Vitamin D. Vitamin A (A) is not synthesized in the skin but is found in foods like carrots and sweet potatoes. Vitamin C (B) is not synthesized in the skin either, but is found in citrus fruits and vegetables. Vitamin E (D) is not synthesized in the skin upon sunlight exposure, but is found in nuts and seeds.
4. What is the formula to calculate work?
- A. Work = Force × Distance
- B. Work = Mass × Velocity
- C. Work = Power × Time
- D. Work = Energy ÷ Time
Correct answer: a
Rationale: Work is calculated by multiplying force exerted on an object by the distance the object moves in the direction of the force.
5. A circular bandage has a diameter of 6cm. What is the area covered by the bandage (area of a circle = πr^2)?
- A. 9Ï€ cm^2
- B. 18Ï€ cm^2
- C. 27Ï€ cm^2
- D. 36Ï€ cm^2
Correct answer: B
Rationale: Divide the diameter (6cm) by 2 to find the radius (3cm). Substitute into the formula and multiply by π to get 18π cm^2.
6. Based on the information provided, which statement is LEAST likely to be supported by the author?
- A. Energy storage technologies play a critical role in the future of renewable energy utilization.
- B. Smart grids can improve the reliability and efficiency of the electricity grid.
- C. Continued reliance on fossil fuels hinders long-term climate change mitigation goals.
- D. Technological advancements offer solutions to overcome challenges associated with renewable energy.
Correct answer: B
Rationale: While the passage mentions smart grids, its primary focus is on managing the intermittency of renewable energy, making B the least likely statement the author would strongly support.
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