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Nursing Elites

ATI TEAS 7

Chemistry

1. Which type of nuclear force is responsible for holding protons and neutrons together in the nucleus of an atom?

Correct answer: C

Rationale: The incredibly powerful, strong nuclear force overcomes the repulsive electrostatic force between protons, binding them together and stabilizing the nucleus.

2. The deeper layer of the skin, containing connective tissue, blood vessels, and nerve endings, is called the:

Correct answer: B

Rationale: The correct answer is B: Dermis. The dermis is the deeper layer of the skin that contains important structures such as connective tissue, blood vessels, and nerve endings. It plays a crucial role in providing support and nourishment to the epidermis, the outermost layer of the skin. The epidermis, option A, is actually the outermost layer responsible for protecting the body from environmental factors. The hypodermis, option C, is the deepest layer of the skin that primarily consists of fat and connective tissue. Stratum corneum, option D, is the outermost layer of the epidermis composed of dead skin cells. Therefore, the dermis is the correct answer in this case.

3. Which of the following numbers is NOT divisible by 3?

Correct answer: D

Rationale: Rationale: To determine if a number is divisible by 3, we can check if the sum of its digits is divisible by 3. If the sum of the digits is divisible by 3, then the original number is also divisible by 3. A) 105: 1 + 0 + 5 = 6, which is divisible by 3. Therefore, 105 is divisible by 3. B) 141: 1 + 4 + 1 = 6, which is divisible by 3. Therefore, 141 is divisible by 3. C) 273: 2 + 7 + 3 = 12, which is divisible by 3. Therefore, 273 is divisible by 3. D) 810: 8 + 1 + 0 = 9, which is divisible by 3. Therefore, 810 is divisible by 3. Since all the

4. Identify the clause that acts as an adverbial modifier in the sentence: "While the movie was playing, I snuck out to get popcorn."

Correct answer: A

Rationale: The clause "While the movie was playing" modifies the verb "snuck out," describing the time of the action.

5. What is the functional group present in ethers?

Correct answer: C

Rationale: Ethers have the functional group -O-, representing an oxygen atom bonded to two alkyl or aryl groups. The other choices are associated with different functional groups.

6. Which sentence uses the past perfect tense correctly?

Correct answer: A

Rationale: Option A expresses an action ("party began") completed before another past action ("I arrived").

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