damage to which part of the brain can lead to difficulty with language and speech
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ATI TEAS 7

TEAS 7 science study guide free

1. Which brain area can lead to difficulty with language and speech if damaged?

Correct answer: A

Rationale: Damage to Broca's area, located in the frontal lobe of the brain, can result in difficulties with language and speech production. Broca's area is responsible for speech production and coordinating the muscles involved in speech. Damage to this area can lead to Broca's aphasia, characterized by struggles in forming words and sentences. On the other hand, damage to Wernicke's area in the temporal lobe can cause issues with language comprehension and producing meaningful language, leading to Wernicke's aphasia. The occipital lobe primarily processes visual information, while the cerebellum is responsible for coordinating movement and balance, not language and speech.

2. What is the function of the pharynx?

Correct answer: A

Rationale: The correct answer is A: 'Allow food and air to pass into the body.' The pharynx serves as a common pathway for both food and air. It connects the nasal cavity and mouth to the larynx and esophagus, enabling the passage of both food and air into their respective pathways. Choices B, C, and D are incorrect as they do not accurately describe the function of the pharynx. Option B is incorrect because the warming and moistening of air primarily occur in the nasal cavity and not in the pharynx. Option C is incorrect as the creation of a chest cavity is mainly related to the thoracic cavity, not the pharynx. Option D is also incorrect as the structural support to the alveolar region is provided by other structures like the alveoli and surrounding tissues, not the pharynx.

3. What is the law of conservation of energy?

Correct answer: C

Rationale: The correct answer is C: 'Energy can neither be created nor destroyed, only transformed from one form to another.' The law of conservation of energy is a fundamental principle in physics. It states that the total energy in a closed system remains constant over time. Energy can change from one form to another (e.g., potential energy to kinetic energy), but the total amount of energy remains the same. Choices A, B, and D are incorrect because they do not accurately represent the law of conservation of energy. Energy is not created or destroyed according to this law, but rather transformed.

4. What is the function of the pericardium, the sac surrounding the heart?

Correct answer: C

Rationale: The pericardium is a double-walled sac that surrounds the heart and contains a small amount of fluid to provide lubrication for the movement of the heart within the chest cavity. It helps reduce friction as the heart beats and moves. Choice A is incorrect because the generation of electrical impulses for heart contraction is primarily the function of the heart's specialized conduction system. Choice B is incorrect as the pericardium is not involved in the transportation of blood throughout the body. Choice D is also incorrect as while the pericardium does protect the heart, its primary function is to provide lubrication and reduce friction.

5. Which of the following meninges is a thin membrane containing numerous nerves and blood vessels that supply nourishment to the underlying brain cells and spinal cord?

Correct answer: D

Rationale: The pia mater is the correct answer. It is a thin, innermost layer of the meninges that contains numerous nerves and blood vessels, providing nourishment to the underlying brain cells and spinal cord. The arachnoid mater (Choice A) is the middle layer of the meninges and does not contain as many nerves and blood vessels as the pia mater. The dura mater (Choice B) is the tough, outermost layer of the meninges and is not responsible for supplying nourishment. The periosteum (Choice C) is a connective tissue membrane covering bones, not part of the meninges.

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