ATI TEAS 7
physics
1. What type of force opposes the motion of an object moving through a fluid (liquid or gas)?
- A. Gravitational force
- B. Tension force
- C. Viscous force
- D. Magnetic force
Correct answer: c
Rationale: Viscous force is the resistance experienced by an object moving through a fluid due to internal friction.
2. Which hormone stimulates the release of pancreatic enzymes and bile?
- A. Gastrin
- B. Insulin
- C. Cholecystokinin (CCK)
- D. Glucagon
Correct answer: C
Rationale: The correct answer is C: Cholecystokinin (CCK). Cholecystokinin is a hormone produced by the small intestine in response to the presence of food, especially fats and proteins. It stimulates the release of pancreatic enzymes from the pancreas and bile from the gallbladder to aid in digestion. Gastrin is a hormone that stimulates the release of gastric acid in the stomach. Insulin and glucagon are hormones involved in regulating blood sugar levels, not the release of pancreatic enzymes and bile. Therefore, CCK is the hormone responsible for stimulating the release of pancreatic enzymes and bile in the digestive process.
3. Two coherent light waves with a slight phase difference interfere. What determines the resulting intensity of the combined wave?
- A. The individual intensities of the waves
- B. The wavelength of the waves
- C. The distance between the waves
- D. The color of the waves
Correct answer: A
Rationale: The intensity of the resulting wave depends on the individual intensities and the phase difference between the interfering waves. Constructive interference leads to higher intensity, while destructive interference leads to lower intensity.
4. What is the main point of the passage?
- A. Climate change is a myth and does not pose any significant threat to the planet.
- B. The negative consequences of climate change are inevitable and irreversible.
- C. Human actions are the primary cause of climate change, and global efforts are needed to address it.
- D. Technological advancements alone can provide quick and easy solutions to the climate crisis.
Correct answer: C
Rationale: The passage clearly identifies human activities as the cause of climate change and emphasizes the need for global action, aligning with C.
5. What property of a wave is measured in Hertz (Hz)?
- A. Amplitude
- B. Wavelength
- C. Speed
- D. Frequency
Correct answer: d
Rationale: Frequency, the number of oscillations per second, is measured in Hertz (Hz).
6. Which element has the highest melting point of any element?
- A. Tungsten
- B. Iron
- C. Platinum
- D. Carbon
Correct answer: D
Rationale: Diamond's strong covalent bonds between carbon atoms make it incredibly resistant to heat and pressure, giving it the highest melting point.
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