which lobe of the brain is primarily responsible for processing visual information
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ATI TEAS 7

TEAS 7 science quizlet

1. Which lobe of the brain is primarily responsible for processing visual information?

Correct answer: D

Rationale: The occipital lobe, located at the back of the brain, is primarily responsible for processing visual information. It contains the primary visual cortex, which interprets visual stimuli received from the eyes. The frontal lobe is primarily involved in higher cognitive functions, the parietal lobe in sensory processing and spatial awareness, and the temporal lobe in auditory processing and memory. Therefore, choices A, B, and C are incorrect as they are associated with functions different from visual processing.

2. What is the role of surfactant in the respiratory system?

Correct answer: B

Rationale: The correct answer is B: To increase lung compliance. Surfactant is a substance produced by type II alveolar cells in the lungs that reduces surface tension in the alveoli. This reduction in surface tension helps to increase lung compliance, making it easier for the lungs to expand and contract during breathing. Improved lung compliance is essential for efficient gas exchange in the respiratory system, facilitating oxygen uptake and carbon dioxide removal. Choices A, C, and D are incorrect because surfactant does not trap dust particles, produce mucus, or generate oxygen during respiration. Instead, its primary function lies in reducing surface tension to prevent alveolar collapse and improve lung compliance for optimal gas exchange.

3. What information can be obtained from the mass number of an element?

Correct answer: B

Rationale: The mass number of an element represents the total number of protons and neutrons in the nucleus. This information is crucial for determining the atomic mass of the element and understanding its stability and isotopes. The number of protons in the nucleus (option A) is represented by the atomic number, not the mass number. The number of electrons in the valence shell (option C) is related to the element's position in the periodic table and its chemical properties, but it is not directly determined by the mass number. The element's chemical reactivity (option D) is influenced by the number and arrangement of electrons in the atom's energy levels, not by the mass number.

4. Identify the opposing muscle pair.

Correct answer: A

Rationale: The correct answer is A. The bicep and tricep muscles form an antagonistic muscle pair, where one muscle contracts while the other relaxes. The bicep, located on the front of the upper arm, is responsible for arm flexion (bending the elbow), while the tricep, situated on the back of the upper arm, is responsible for arm extension (straightening the elbow). This opposing action allows for controlled movement at the elbow joint. Choice B, hamstring and quadriceps, are not opposing muscles in the context of the knee joint; the hamstring group flexes the knee, while the quadriceps group extends it. Choices C and D do not represent an opposing muscle pair related to joint movement.

5. What is the network of vessels and ducts responsible for draining excess fluid and waste products from tissues?

Correct answer: C

Rationale: The correct answer is the Lymphatic system (option C). The lymphatic system is responsible for draining excess fluid and waste products from tissues. It works alongside the circulatory system to maintain fluid balance in the body. The circulatory system (option A) transports blood, the digestive system (option B) processes food, absorbs nutrients, and eliminates solid waste, while the respiratory system (option D) is responsible for gas exchange, specifically the intake of oxygen and removal of carbon dioxide.

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