two cars with different masses collide head on which car experiences a greater change in momentum
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ATI TEAS 7

TEAS Test 7 science

1. When two cars with different masses collide head-on, which car experiences a greater change in momentum?

Correct answer: C

Rationale: In a head-on collision between two cars, the law of conservation of momentum states that the total momentum of the isolated system remains constant before and after the collision. The change in momentum of one car is equal in magnitude but opposite in direction to the change in momentum of the other car. As a result, both cars experience the same change in momentum during the collision. Choice A is incorrect because the change in momentum is the same for both cars due to the conservation of momentum principle. Choice B is incorrect as the smaller mass car does not experience a greater change in momentum. Choice D is incorrect as the initial velocities of the cars do not determine which car experiences a greater change in momentum; it is solely dependent on the masses of the colliding cars.

2. What do hair follicles house in the skin?

Correct answer: C

Rationale: Hair follicles are structures in the skin that contain the hair shaft (the visible part of the hair) and the hair root (the part of the hair beneath the skin). The hair shaft is the portion of the hair that is visible above the skin, while the hair root is the part that extends below the surface into the follicle. Therefore, the correct answer is that hair follicles house the hair shafts and hair roots. Choices A, B, and D are incorrect because blood vessels are not housed within hair follicles, nerve endings are present but not housed within hair follicles, and sebaceous glands are often attached to hair follicles but not housed within them.

3. Which of the following substances is NOT typically found in healthy urine?

Correct answer: B

Rationale: Glucose is not typically found in healthy urine because the kidneys usually filter glucose from the blood and reabsorb it back into the bloodstream. The presence of glucose in urine, known as glucosuria, is usually indicative of diabetes or other medical conditions affecting glucose regulation. On the other hand, urea, creatinine, and electrolytes are commonly present in healthy urine as byproducts of metabolism and electrolyte balance. Urea is a waste product of protein metabolism, creatinine is a waste product of muscle metabolism, and electrolytes are essential for various physiological functions in the body. Therefore, choices A, C, and D are typically found in healthy urine, making them incorrect answers.

4. Which of the following is considered an intensive property?

Correct answer: D

Rationale: Density is an intensive property because it does not depend on the amount of matter present. Intensive properties are independent of the quantity of the substance and remain constant regardless of the size or amount of the sample being measured. Mass, weight, and volume are extensive properties that depend on the amount of substance present. Mass and weight change with the amount of matter, while volume changes as the quantity of the substance changes. Therefore, they are not considered intensive properties.

5. What is the muscular sac that stores urine until it is released from the body known as?

Correct answer: B

Rationale: The bladder is the muscular sac that stores urine until it is released from the body. It acts as a reservoir for urine until it is eliminated through the urethra. The urethra is the tube responsible for carrying urine from the bladder to the outside. The ureter transports urine from the kidneys to the bladder. The nephron is the structural and functional unit of the kidney involved in the filtration of blood and urine production. Therefore, the correct answer is the bladder, as it specifically fulfills the function of storing urine before its elimination.

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