ATI TEAS 7
English Grammar
1. Which word completes the sentence "He was ____ by the unexpected turn of events."
- A. elated (joyful)
- B. bewildered (confused)
- C. vindicated (justified)
- D. apathetic (uninterested)
Correct answer: B
Rationale: "Bewildered" best describes the confusion caused by the unexpected events.
2. Which element is used in fluorescent lamps and emits ultraviolet light when excited?
- A. Mercury
- B. Neon
- C. Argon
- D. Krypton
Correct answer: A
Rationale: Mercury vapor in fluorescent lamps generates UV light that excites phosphors on the lamp's inner surface, producing visible light.
3. Which of the following is the main function of the lungs?
- A. To transport oxygen and nutrients throughout the body
- B. To coordinate movement and sensory information
- C. To filter waste products from the blood
- D. To exchange oxygen and carbon dioxide between the body and the environment
Correct answer: D
Rationale: Rationale: A) To transport oxygen and nutrients throughout the body - While the lungs do play a role in transporting oxygen, their primary function is to exchange oxygen and carbon dioxide between the body and the environment. The transportation of oxygen and nutrients throughout the body is primarily carried out by the circulatory system, specifically the blood vessels. B) To coordinate movement and sensory information - This function is primarily carried out by the nervous system, specifically the brain and spinal cord. C) To filter waste products from the blood - The kidneys are responsible for filtering waste products from the blood, not the lungs. The lungs primarily function in gas exchange.
4. A ball rolls down an inclined plane. What is the main factor affecting its acceleration?
- A. The material of the ball
- B. The angle of the incline
- C. The air resistance
- D. The ball's initial velocity
Correct answer: B
Rationale: The main factor affecting the acceleration of a ball rolling down an inclined plane is the angle of the incline. The steeper the incline, the greater the component of the gravitational force acting parallel to the incline, leading to a higher acceleration of the ball. The material of the ball, air resistance, and the ball's initial velocity may have some impact on the motion of the ball, but the angle of the incline is the primary factor affecting acceleration in this scenario.
5. What phenomenon occurs when a wave encounters a change in medium causing a change in its speed and direction?
- A. Refraction
- B. Reflection
- C. Diffraction
- D. Interference
Correct answer: a
Rationale: Refraction happens when a wave changes its speed and direction due to encountering a change in medium.
6. What happens to the density of a gas when its temperature increases at constant pressure?
- A. It increases.
- B. It decreases.
- C. It remains the same.
- D. Information insufficient
Correct answer: B
Rationale: As gas particles gain thermal energy with increasing temperature, they spread out, decreasing the density.
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