which of the following nutrients is essential for muscle growth and repair
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ATI TEAS 7

TEAS Test 7 science quizlet

1. Which of the following nutrients is essential for muscle growth and repair?

Correct answer: B

Rationale: Protein is essential for muscle growth and repair as it provides the necessary building blocks (amino acids) for muscle tissue synthesis and repair. While vitamins and minerals are crucial for overall health, protein has a specific role in muscle development. Carbohydrates supply energy for workouts, and fats are important for general health but are less directly involved in muscle growth and repair compared to protein.

2. Which of the following is NOT a function of the liver?

Correct answer: D

Rationale: The correct answer is D. The liver does not produce insulin; instead, insulin is produced by the pancreas. The liver plays a crucial role in regulating blood sugar levels by storing and releasing glucose but does not directly produce insulin. Choices A, B, and C are functions of the liver. Nutrient processing, blood filtration, detoxification, cholesterol, and lipoprotein production are essential roles performed by the liver to maintain overall metabolic balance and health.

3. Find the lowest coefficients that will balance the following combustion equation: __C H + __O2 → __CO2 + __H2O

Correct answer: C

Rationale: To balance the combustion equation CxHy + O2 → xCO2 + y/2 H2O, we need to balance the carbon and hydrogen atoms. The balanced equation for the given combustion is: 2C H4 + 9O2 → 2CO2 + 4H2O. This means that the correct coefficients are 2:9:10:4, which corresponds to choice C. Choice A (1:5:5:2) does not balance the equation correctly, choice B (4:10:20:8) has excessive oxygen and does not balance the equation, and choice D (2:5:10:4) does not provide the correct ratio of oxygen to balance the equation.

4. Which of the following describes the path through which air moves during inhalation?

Correct answer: A

Rationale: The correct path through which air moves during inhalation is from the mouth/nose > pharynx > larynx > trachea > bronchi > bronchioles > alveoli. This sequence accurately represents the typical route air takes as it travels from the external environment into the lungs to facilitate gas exchange in the alveoli. Choice B is incorrect as it reverses the order of bronchioles and alveoli. Choice C is incorrect as it starts with mouth/nose but then incorrectly lists lungs before trachea. Choice D is incorrect as it reverses the entire sequence of the respiratory pathway, starting with alveoli instead of mouth/nose.

5. Which of the following is an example of a fibrous protein?

Correct answer: D

Rationale: A) Insulin is a hormone, not a fibrous protein. It is produced in the pancreas and regulates blood sugar levels. B) Keratin is a fibrous structural protein found in hair, nails, and the outer skin layer, providing strength and protection. C) Hemoglobin is a globular protein in red blood cells responsible for oxygen transport; it is not fibrous. D) Collagen is a fibrous protein found in tendons, ligaments, and skin, offering strength and structure to connective tissues. Therefore, the correct answer is collagen, making it the main component of various connective tissues.

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