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Nursing Elites

ATI TEAS 7

Mathematics

1. A solution is 60% alcohol. If 200ml of the solution are used, how much pure alcohol is present?

Correct answer: C

Rationale: Multiply the total solution volume (200ml) by the alcohol percentage (60%)

2. The final sentence suggests that users should approach social media with a healthy dose of

Correct answer: B

Rationale: The emphasis on "critical thinking" and "skepticism" suggests the importance of approaching social media with a cautious and discerning mind, aligning with B

3. Which term describes the functional unit of a skeletal muscle responsible for muscle contraction?

Correct answer: b

Rationale: The correct answer is B: Sarcomere. A sarcomere is the functional unit of a skeletal muscle responsible for muscle contraction. It is made up of overlapping filaments of actin and myosin proteins. Myofibrils are long, cylindrical structures within muscle cells that contain sarcomeres. Tendons are tough bands of fibrous connective tissue that connect muscles to bones and facilitate movement. Myoglobin is a protein found in muscle cells that stores oxygen for muscle use during exercise. Therefore, the sarcomere is specifically responsible for muscle contraction, making it the correct answer in this question.

4. Which sentence uses the possessive apostrophe correctly?

Correct answer: B

Rationale: Option b adds the apostrophe and "s" to show ownership of multiple friends.

5. What is the term for the distance between the center of a lens or curved mirror and its focal point?

Correct answer:

Rationale: The focal length of a lens or curved mirror is the distance between its center and the focal point, where parallel light rays converge or appear to diverge from.

6. Which of the following is the main function of the lungs?

Correct answer: D

Rationale: Rationale: A) To transport oxygen and nutrients throughout the body - While the lungs do play a role in transporting oxygen, their primary function is to exchange oxygen and carbon dioxide between the body and the environment. The transportation of oxygen and nutrients throughout the body is primarily carried out by the circulatory system, specifically the blood vessels. B) To coordinate movement and sensory information - This function is primarily carried out by the nervous system, specifically the brain and spinal cord. C) To filter waste products from the blood - The kidneys are responsible for filtering waste products from the blood, not the lungs. The lungs primarily function in gas exchange.

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