which part of the brain regulates body temperature hunger and thirst
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ATI TEAS 7

Practice Science TEAS Test

1. Which part of the brain regulates body temperature, hunger, and thirst?

Correct answer: B

Rationale: The correct answer is the Hypothalamus. The hypothalamus is a crucial part of the brain that regulates various essential functions to maintain homeostasis. It controls body temperature, hunger, thirst, and plays a key role in the autonomic nervous system. The cerebellum is primarily involved in coordinating movement and balance, the thalamus acts as a relay station for sensory information, and the medulla oblongata is responsible for vital functions like breathing and heart rate. Therefore, choices A, C, and D are incorrect as they do not govern the specific functions mentioned in the question.

2. Which method is most suitable for measuring the volume of a cube?

Correct answer: B

Rationale: The correct answer is B. To measure the volume of a cube, you need to use a mathematical formula that takes into account the dimensions of the cube, specifically the length of its sides. Using a measuring wheel alone or a triple beam balance is not suitable for determining the volume of a cube. A graduated cylinder is used to measure the volume of liquids, not geometric solids like cubes.

3. What is the scientific term for a muscle that helps another muscle perform its action?

Correct answer: C

Rationale: A synergist is a muscle that assists the agonist, the primary muscle responsible for a specific movement, in performing that movement. Synergists stabilize joints and provide additional support to the prime mover muscle, enhancing the efficiency and effectiveness of the movement. Choice A, Agonist, refers to the muscle primarily responsible for a specific movement. Choice B, Antagonist, refers to a muscle that opposes the action of the agonist. Choice D, Fixator, refers to a muscle that stabilizes the origin of the prime mover muscle, maintaining the desired position during movement.

4. Which of the following lobes in the cerebral cortex is primarily responsible for processing and integrating sensory information received from the rest of the body?

Correct answer: C

Rationale: The parietal lobe is the correct answer because it is primarily responsible for processing and integrating sensory information received from the rest of the body, including touch, pressure, temperature, and pain. This lobe plays a crucial role in spatial awareness, perception, and attention to sensory stimuli. It helps individuals make sense of the world around them and is essential for various sensory processes. The frontal lobe (choice A) is more associated with functions like reasoning, planning, and problem-solving. The occipital lobe (choice B) is responsible for processing visual information. The temporal lobe (choice D) is involved in functions like memory, auditory processing, and language comprehension, but it is not the primary lobe responsible for processing and integrating sensory information from the body.

5. What is the name of the muscle responsible for pumping blood throughout the body?

Correct answer: D

Rationale: The correct answer is D, Cardiac muscle. The cardiac muscle is specifically designed to pump blood throughout the body and is found in the heart. In contrast, the bicep, tricep, and deltoid are skeletal muscles responsible for joint movement, not for pumping blood. The bicep is responsible for elbow flexion, the tricep for elbow extension, and the deltoid for shoulder abduction.

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