what is the largest part of the brain and is responsible for higher functions like thinking memory and learning
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ATI TEAS 7

TEAS 7 science practice questions

1. What is the largest part of the brain and is responsible for higher functions like thinking, memory, and learning?

Correct answer: C

Rationale: The cerebrum is the correct answer. It is the largest part of the brain and is responsible for higher functions like thinking, memory, and learning. The brainstem (option A) is responsible for basic life functions such as breathing and heart rate, not higher cognitive functions. The cerebellum (option B) is responsible for coordination and balance, not higher cognitive functions. The thalamus (option D) acts as a relay station for sensory information, but it is not the largest part of the brain nor responsible for higher cognitive functions.

2. Which property describes a substance's resistance to flow?

Correct answer: B

Rationale: Viscosity is the property that describes a substance's resistance to flow. A substance with high viscosity flows slowly, while a substance with low viscosity flows quickly. Density (A) is the measure of mass per unit volume; conductivity (C) is the ability of a material to conduct electricity or heat, and reactivity (D) refers to how readily a substance undergoes chemical reactions. Therefore, the correct answer is B, viscosity, as it directly relates to a substance's resistance to flow.

3. Which type of epithelial tissue lines the inner lining of your intestines, responsible for absorption?

Correct answer: B

Rationale: The correct answer is simple columnar epithelium. This type of epithelial tissue is well-suited for absorption and secretion due to its tall, column-like shape and the presence of microvilli on its surface, which increase the surface area for absorption in organs like the intestines. Simple columnar epithelium is the ideal choice for the inner lining of the intestines as it allows for efficient nutrient absorption. Stratified squamous epithelium is typically found in areas subjected to abrasion, like the skin, and not suited for absorption. Stratified cuboidal epithelium is rare and found in specific gland ducts, not in the intestines. Transitional epithelium is specialized for stretching and is primarily found in the urinary system, not involved in absorption processes in the intestines.

4. What is the difference between mass and weight?

Correct answer: A

Rationale: Mass is the amount of matter in an object and is a scalar quantity, whereas weight is the force of gravity acting on an object and is a vector quantity. Mass remains constant regardless of the location, while weight can vary depending on the strength of gravity at different locations. Answer choice A correctly defines the difference between mass and weight, making it the correct answer. Choice B is incorrect because mass is not a measure of inertia. Choice C is incorrect as mass is typically measured in kilograms, not pounds. Choice D is incorrect as mass is a scalar quantity, and weight is a vector quantity.

5. Imagine you have an element with atomic number 20 and mass number 40. How many neutrons does it have?

Correct answer: C

Rationale: - The atomic number (Z) represents the number of protons in an atom. In this case, the atomic number is 20. - The mass number (A) represents the total number of protons and neutrons in an atom. In this case, the mass number is 40. - To find the number of neutrons, you subtract the atomic number from the mass number: Neutrons = Mass number - Atomic number. - Neutrons = 40 - 20 = 20. - Therefore, the element with atomic number 20 and mass number 40 has 20 neutrons.

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