which systems primary function is protection sensory reception thermoregulation osmoregulation insulation and vitamin d absorption
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ATI TEAS 7

ATI TEAS Science Questions

1. Which system's primary function is protection, sensory reception, thermoregulation, osmoregulation, insulation, and vitamin D absorption?

Correct answer: B

Rationale: The correct answer is the Integumentary system (Option B). The integumentary system, which includes the skin, hair, nails, and glands, serves various functions such as providing protection against external factors, sensory reception, regulating body temperature (thermoregulation), maintaining water balance (osmoregulation), insulating the body, and absorbing vitamin D from sunlight. The nervous system (Option A) is responsible for transmitting signals throughout the body. The endocrine system (Option C) produces and secretes hormones to regulate bodily functions. The digestive system (Option D) is involved in breaking down food for nutrient absorption. Therefore, the primary functions described in the question align with those of the integumentary system, making it the correct choice.

2. Eric buys 5 1/2 pounds of apples each week for four weeks. How many total pounds does he buy?

Correct answer: A

Rationale: To find the total pounds of apples Eric buys, you need to multiply the pounds of apples bought each week (5 1/2 pounds) by the number of weeks (4 weeks). When you multiply 5 1/2 by 4, you get 22 pounds. Therefore, the correct answer is A. Choices B, C, and D are incorrect because they do not accurately calculate the total pounds purchased over the four weeks.

3. How did Araminta Ross come to be known as Harriet Tubman?

Correct answer: A

Rationale: Araminta Ross came to be known as Harriet Tubman after marrying a free black man named John Tubman. She took her husband's last name 'Tubman' and changed her first name to 'Harriet,' which was her mother's name. This change of name was a personal choice after her marriage and not because she was named after the plantation owner's wife (B), wanted as an Underground Railroad runner (C), or to remain anonymous as a Civil War spy (D). Therefore, the correct answer is A.

4. What energy transformation occurs when a guitar string vibrates to produce sound?

Correct answer: D

Rationale: The correct answer is D. When a guitar string vibrates to produce sound, the energy transformation that occurs is from potential energy (stored energy in the string when it is stretched) to kinetic energy (energy of motion as the string vibrates back and forth). As the string vibrates, its kinetic energy is transferred to the surrounding air molecules, producing sound energy. Choices A, B, and C are incorrect. Choice A, mechanical energy to thermal energy, does not align with the energy transformation involved in producing sound from a vibrating guitar string. Choice B, kinetic energy to potential energy, is the opposite of what happens when a guitar string vibrates. Choice C, electrical energy to sound energy, is not relevant to the energy conversion process in this scenario.

5. Which organelle is responsible for cellular respiration, producing ATP for energy?

Correct answer: B

Rationale: The correct answer is B) Mitochondria. Mitochondria are known as the powerhouse of the cell because they are responsible for cellular respiration, a process that produces ATP (adenosine triphosphate) for energy. The other organelles listed, such as the nucleus, Golgi apparatus, and vacuole, have distinct functions within the cell and are not directly involved in cellular respiration. The nucleus contains genetic material, the Golgi apparatus is involved in protein processing and packaging, and the vacuole is responsible for storage and maintaining cell turgor pressure.

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