which part of the brain is responsible for processing vision
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ATI TEAS 7

TEAS 7 practice test free science

1. Which part of the brain is responsible for processing vision?

Correct answer: A

Rationale: The occipital lobe is the part of the brain responsible for processing visual information. Located at the back of the brain, the occipital lobe contains the primary visual cortex, which plays a crucial role in interpreting visual stimuli received from the eyes. The frontal lobe is primarily involved in higher cognitive functions, decision-making, and motor control, not vision processing. The temporal lobe is responsible for auditory processing, memory, and emotion, not vision. The parietal lobe is involved in sensory integration, spatial awareness, and perception of stimuli, but not specifically for visual processing.

2. Which of the following describes the general function of cytokines in the immune system?

Correct answer: A

Rationale: The correct answer is A: 'They communicate between cells to instigate an immune response.' Cytokines are signaling molecules that act as messengers between cells in the immune system, playing a vital role in coordinating and regulating immune responses. They communicate with various immune cells to initiate appropriate responses against pathogens. Choice B is incorrect because cytokines do not inhibit blood clotting but rather regulate immune responses. Choice C is incorrect as cytokines do not bind to specific pathogens to increase their mass; instead, they regulate the immune response. Choice D is also incorrect because cytokines do not transport pathogens trapped in mucus to the stomach for destruction; they primarily function as signaling molecules within the immune system.

3. Which of the following is a condition characterized by inflammation and narrowing of the airways, leading to symptoms such as wheezing, coughing, and shortness of breath?

Correct answer: C

Rationale: Asthma is a chronic condition characterized by inflammation and narrowing of the airways, leading to symptoms such as wheezing, coughing, and shortness of breath. Pneumonia, caused by an infection in the lungs, presents with symptoms like fever, chills, and cough with sputum. Tuberculosis is a bacterial infection that primarily affects the lungs, leading to symptoms such as persistent cough, chest pain, and weight loss. Emphysema, a type of chronic obstructive pulmonary disease, is characterized by the destruction of the air sacs in the lungs, causing symptoms like shortness of breath and chronic cough. Therefore, among the options provided, asthma best fits the description of a condition with airway inflammation and narrowing.

4. Which of the following statements least supports the argument that the American economy is healthy?

Correct answer: D

Rationale: The correct answer is D because a decrease in the manufacturing sector is usually considered a negative indicator for the economy, as it may suggest a decline in production or demand for goods. Choices A, B, and C all provide positive signs for a healthy economy: an increase in GDP reflects economic growth, low unemployment rates indicate a strong job market, and rising household income signifies improved financial well-being for families.

5. Which element shares the same group (family) on the periodic table with helium (He)?

Correct answer: A

Rationale: Neon (Ne) shares the same group (family) on the periodic table with helium (He). Both helium and neon belong to Group 18 (Noble Gases) due to their complete and stable outer electron shells, making them chemically inert. Boron (B), Carbon (C), and Oxygen (O) are not in the same group as helium. Boron is in Group 13, Carbon is in Group 14, and Oxygen is in Group 16 on the periodic table.

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