ATI TEAS 7
TEAS Test 7 science quizlet
1. What force keeps a car moving along a curved road?
- A. Gravitational force
- B. Normal force from the road
- C. Air resistance
- D. Friction between the tires and the road
Correct answer: D
Rationale: The correct answer is D: Friction between the tires and the road. When a car travels along a curved road, the friction between the tires of the car and the road provides the necessary centripetal force required to keep the car moving in the curved path. This friction allows the tires to grip the road and prevent the car from sliding off the curve due to inertia or momentum. Choices A, B, and C are incorrect because gravitational force, normal force from the road, and air resistance do not play a significant role in keeping a car moving along a curved road. While these forces may have other effects on the car's motion, they are not the primary force responsible for maintaining the car's trajectory along a curve.
2. A population refers to a group of organisms of the same:
- A. Species living in the same area
- B. Genus competing for resources
- C. Kingdom inhabiting a specific biome
- D. Phylum found throughout the world
Correct answer: A
Rationale: A population is defined as a group of organisms of the same species living in the same area and interacting with one another. Option A correctly describes this definition by specifying that the organisms are of the same species and share a common geographical location. Options B, C, and D are incorrect because they do not accurately define a population in biological terms. In this context, a population specifically refers to a group of organisms belonging to the same species, not higher taxonomic ranks like genus, kingdom, or phylum.
3. What happens to the frequency of a wave if its wavelength decreases while the speed remains constant?
- A. Frequency decreases
- B. Frequency increases
- C. Frequency remains constant
- D. Frequency becomes zero
Correct answer: B
Rationale: The correct answer is B: Frequency increases. Frequency and wavelength are inversely proportional in a wave with a constant speed. When the wavelength decreases while the speed remains constant, the frequency must increase to maintain the constant speed of the wave. This relationship is governed by the equation: speed = frequency x wavelength. Choice A is incorrect as frequency increases when wavelength decreases. Choice C is incorrect as the frequency changes in this scenario. Choice D is incorrect as the frequency does not become zero but increases when the wavelength decreases.
4. Which of the following areas has the least amount of sweat glands?
- A. Back
- B. Palms
- C. Axilla
- D. Forehead
Correct answer: B
Rationale: The correct answer is B - Palms. The palms have the least amount of sweat glands compared to the other options listed. The back, axilla (armpits), and forehead are all areas with a higher concentration of sweat glands in the body. The palms have fewer sweat glands to minimize water loss and maintain a better grip for activities requiring precise and controlled movement. The back, axilla, and forehead have more sweat glands to assist in thermoregulation and cooling of the body, while the palms have fewer sweat glands for functional reasons related to grip and dexterity.
5. Which organ is responsible for filtering waste from the blood?
- A. Kidneys
- B. Pancreas
- C. Liver
- D. Heart
Correct answer: A
Rationale: The correct answer is A: Kidneys. The kidneys are responsible for filtering waste products from the blood, maintaining fluid and electrolyte balance. The pancreas aids in digestion and regulates blood sugar levels. The liver processes nutrients, detoxifies chemicals, and produces bile. The heart is responsible for pumping blood throughout the body. Choice B, Pancreas, is incorrect because the pancreas plays a role in digestion and blood sugar regulation, not in filtering waste from the blood. Choice C, Liver, is incorrect as the liver processes nutrients, detoxifies chemicals, and produces bile, but it is not primarily responsible for filtering waste from the blood. Choice D, Heart, is incorrect as the heart's main function is pumping blood throughout the body, not filtering waste from the blood.
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