a triple beam balance would show which units of measurement
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ATI TEAS 7

ATI TEAS 7 Science Practice Test

1. What units of measurement would a triple beam balance show?

Correct answer: B

Rationale: A triple beam balance is used to measure mass, typically in grams. Liters, meters, and gallons are units of volume, length, and capacity, respectively, not typically measured using a triple beam balance. Therefore, the correct answer is grams. Choice A, Liters, is a unit of volume. Choice C, Meters, is a unit of length. Choice D, Gallons, is a unit of capacity. These units are not typically measured using a triple beam balance.

2. What controls muscles by sending electrical impulses to the muscles?

Correct answer: B

Rationale: Nerves control muscles by transmitting electrical impulses that initiate muscle contractions. Blood vessels are responsible for transporting blood, not controlling muscles. Hormones are chemical messengers produced by glands to regulate bodily functions, not specifically controlling muscles. Neurons are the basic building blocks of the nervous system that transmit signals, but nerves are the specific structures that control muscles by sending electrical impulses.

3. What is the name of the wart-like growths caused by the human papillomavirus (HPV)?

Correct answer: C

Rationale: The correct answer is 'Papillomas.' Papillomas are benign wart-like growths caused by the human papillomavirus (HPV). Keloids are raised scars that occur at the site of an injury due to excessive collagen formation, while carcinomas are malignant tumors arising from epithelial cells. When identifying the growths specifically related to HPV, papillomas are the most appropriate term.

4. How many different types of tissue are there in the human body?

Correct answer: A

Rationale: The correct answer is A: 4. There are 4 types of tissues in the human body: epithelial, connective, muscle, and nervous. Epithelial tissue covers the body surfaces, connective tissue provides support and structure, muscle tissue enables movement, and nervous tissue transmits signals. Choices B, C, and D are incorrect as they do not represent the accurate number of tissue types found in the human body.

5. Which of the following is responsible for regulating body temperature?

Correct answer: A

Rationale: The correct answer is the Hypothalamus. The hypothalamus plays a crucial role in regulating body temperature, hunger, thirst, and maintaining overall homeostasis in the body. It receives input from temperature receptors in the skin and internal organs and helps initiate responses to maintain a stable internal body temperature. Acting as the body's thermostat, the hypothalamus adjusts responses to ensure the body's temperature remains within a narrow range, despite external conditions. The Cerebellum (Choice B) is primarily involved in coordinating movement and balance, not regulating body temperature. The Pituitary gland (Choice C) is responsible for producing and secreting hormones that regulate various bodily functions but not directly involved in body temperature regulation. The Thyroid gland (Choice D) plays a role in metabolism and hormone regulation but is not the primary regulator of body temperature.

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