which of the following is the lobe in the cerebral cortex primarily responsible for processing and integrating sensory information received from the r
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ATI TEAS 7

TEAS 7 Science Practice Test

1. 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.

2. What happens to the work done on an object when the angle between the force and displacement is 90 degrees?

Correct answer: B

Rationale: When the angle between the force and displacement is 90 degrees, the work done is given by the formula W = F * d * cos(theta), where theta is the angle between the force and displacement vectors. Since cos(90 degrees) = 0, the work done becomes zero. This means that no work is done on the object when the angle between the force and displacement is 90 degrees. Choice A is incorrect because maximum work is done when the force and displacement are in the same direction (theta = 0 degrees). Choice C is incorrect as minimum work is done when the force and displacement are parallel (theta = 0 degrees), not perpendicular. Choice D is incorrect because work cannot be infinite; it depends on the force, displacement, and the cosine of the angle between them.

3. Which type of blood vessel carries blood away from the heart?

Correct answer: B

Rationale: The correct answer is B: Artery. Arteries carry oxygen-rich blood away from the heart to various parts of the body. Veins, on the other hand, carry blood back to the heart. Capillaries are tiny blood vessels where oxygen and nutrients are exchanged with tissues. Venules are small veins that collect blood from capillaries, not from the heart, making them incorrect in this context.

4. What is the electrical charge of the nucleus?

Correct answer: A

Rationale: A nucleus always has a positive charge. This is because the nucleus is composed of positively charged protons, along with neutral neutrons. The positive charge of the protons is balanced by the negative charge of the surrounding electrons in an atom, resulting in an overall neutral charge for the atom as a whole. Therefore, choice A is correct as it accurately reflects the positive charge of the nucleus due to the presence of protons. Choices B, C, and D are incorrect because they do not accurately represent the fundamental composition and charge distribution within an atom's nucleus. A stable nucleus consists of positively charged protons and neutral neutrons, leading to an overall positive charge, and not a neutral charge as suggested in the incorrect choices.

5. Which vitamin is essential for collagen production, a key component of connective tissues?

Correct answer: B

Rationale: Vitamin C is essential for collagen production, a key component of connective tissues. Collagen, a crucial protein, provides structure and strength to various body tissues, such as skin, tendons, ligaments, and blood vessels. Vitamin C plays a pivotal role in collagen synthesis by aiding in the hydroxylation of proline and lysine residues, which is essential for stabilizing the collagen structure. A deficiency in vitamin C can lead to impaired collagen production, resulting in conditions like scurvy, characterized by weakened connective tissues. Vitamin A (Choice A) is important for vision and immune function but is not directly involved in collagen production. Vitamin D (Choice C) is essential for calcium absorption and bone health but is not primarily responsible for collagen synthesis. Vitamin E (Choice D) acts as an antioxidant, protecting cells from damage, but it is not a key player in collagen production.

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