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Nursing Elites

ATI TEAS 7

physics

1. Which property of matter refers to the measure of the force of gravity acting on an object?

Correct answer: b

Rationale: Weight is the measure of the force of gravity acting on an object. It is calculated as mass multiplied by the acceleration due to gravity.

2. What describes the change in direction of light when it passes through different mediums, such as air and water?

Correct answer: c

Rationale: Refraction is the bending of light as it passes from one medium to another with different optical densities, causing a change in direction.

3. Choose the most appropriate word to complete the sentence "He was _____ about his upcoming presentation."

Correct answer: A

Rationale: "Apprehensive" implies a mild worry or nervousness, which best fits the context.

4. What are the finger-like projections that increase the surface area for absorption in the small intestine called?

Correct answer: C

Rationale: Rationale: A) Crypts of Lieberkühn are small pits in the lining of the small intestine that contain cells involved in the production of intestinal juices, but they do not increase the surface area for absorption. B) Goblet cells are specialized cells that secrete mucus to protect the lining of the digestive tract, but they do not increase the surface area for absorption. C) Villi are finger-like projections in the small intestine that increase the surface area available for nutrient absorption. Each villus contains blood vessels and lacteals (lymphatic vessels) that help absorb nutrients from digested food. D) Paneth cells are specialized cells found in the small intestine that secrete antimicrobial substances, but they do not increase the surface area for absorption.

5. Which gland in the endocrine system is responsible for the production of red blood cells?

Correct answer: C

Rationale: The correct answer is the Thymus gland (option C). The Thymus gland is responsible for the production and maturation of T-lymphocytes, a type of white blood cell involved in immune responses. Red blood cells are not produced by any endocrine gland; instead, they are produced in the bone marrow. The Pituitary gland (option A) secretes hormones that control various body functions, the Thyroid gland (option B) regulates metabolism, and the Parathyroid gland (option D) regulates calcium levels in the blood. Therefore, the Thymus gland is not responsible for the production of red blood cells, making it the correct answer in this case.

6. Which word best synonyms with the word "elated"?

Correct answer: C

Rationale: "Elated" and "excited" both convey feelings of happiness and enthusiasm.

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