the human bodys command center integrating sensory information and coordinating movement and vital functions is the
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ATI TEAS 7

TEAS 7 practice test science

1. Which organ serves as the human body's command center, integrating sensory information and coordinating movement and vital functions?

Correct answer: B

Rationale: The brain is the human body's command center, responsible for integrating sensory information, coordinating movement, and regulating vital functions such as breathing, heart rate, and digestion. While the lungs, kidneys, and stomach perform crucial functions in the body, they do not have the central role of serving as the command center for these essential bodily processes. The lungs are primarily involved in respiration, the kidneys in filtering blood and regulating fluid balance, and the stomach in digestion. However, none of these organs have the comprehensive control over sensory integration, movement coordination, and vital functions like the brain does.

2. Which nervous system controls voluntary motor movement?

Correct answer: D

Rationale: The correct answer is D: Somatic. The somatic nervous system is responsible for controlling voluntary motor movements. It includes the motor neurons that innervate skeletal muscles and allows us to consciously control our movements. The parasympathetic and sympathetic nervous systems are part of the autonomic nervous system, which controls involuntary functions such as heart rate and digestion. Therefore, choices A, B, and C are incorrect as they are components of the autonomic nervous system and are not primarily responsible for voluntary motor movements.

3. What is the term for the shedding of the outermost layer of the epidermis?

Correct answer: A

Rationale: Desquamation is the correct term for the shedding of the outermost layer of the epidermis. This process is essential for skin renewal, allowing the removal of dead skin cells from the skin's surface. Exfoliation, on the other hand, involves the removal of dead skin cells through mechanical or chemical methods. Keratinization refers to the process where skin cells produce the protein keratin, contributing to the skin's protective barrier. Epidermolysis is a condition characterized by the separation of the epidermis from the dermis due to a structural defect in the skin.

4. Which skin condition is characterized by patches of inflamed, reddened skin and is often triggered by allergens or stress?

Correct answer: A

Rationale: Eczema is the correct answer. It presents as patches of inflamed, reddened skin and can be triggered by allergens, stress, or other factors. Psoriasis, on the other hand, is characterized by red, scaly patches rather than inflamed and reddened skin. Acne manifests as pimples and blemishes, not patches of inflamed skin. Vitiligo is characterized by the loss of skin color in patches, which is distinct from the symptoms described in the question.

5. A physician prescribes a drug to help control a person's anxiety attacks. This drug most likely targets the

Correct answer: A

Rationale: The correct answer is A: Amygdala. The amygdala is a key brain structure involved in the processing of emotions, including anxiety. Medications for anxiety disorders often target the amygdala to help regulate emotional responses and control anxiety attacks. The amygdala plays a crucial role in the brain's fear circuit and is essential for the appropriate response to stress and threat perception. Choices B, C, and D are incorrect because the parietal lobe is primarily involved in sensory processing and spatial reasoning, the hypothalamus regulates basic functions like hunger, thirst, and body temperature, and sensory neurons transmit signals from sensory receptors to the central nervous system, none of which are directly related to the regulation of anxiety attacks.

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