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. Where in the cell are proteins modified, sorted, and packaged for transport?

Correct answer: B

Rationale: The Golgi apparatus is the cellular organelle responsible for modifying, sorting, and packaging proteins for transport within the cell or for secretion outside the cell. Ribosomes are not involved in modifying, sorting, or packaging proteins; they are responsible for protein synthesis. The endoplasmic reticulum (ER) is primarily involved in protein synthesis and folding, rather than modification and packaging for transport. Lysosomes function in breaking down cellular waste rather than modifying, sorting, or packaging proteins for transport.

3. What is the technical term for the involuntary muscular contractions that move food through the digestive tract?

Correct answer: B

Rationale: Peristalsis is the term used to describe the involuntary muscular contractions that move food through the digestive tract. This process involves rhythmic contractions and relaxations of the muscles in the digestive system, which help propel food from the esophagus to the stomach and through the intestines for digestion and absorption of nutrients. Segmentation refers to the mixing movements in the intestines that aid in the absorption of nutrients but is not the term for the movement of food through the digestive tract. Chylification is not a recognized term in digestive physiology. Emulsification is the process of breaking down fat globules into smaller droplets to aid in digestion, not the movement of food through the digestive tract.

4. What is the protective fluid surrounding the brain and spinal cord called?

Correct answer: B

Rationale: Cerebrospinal fluid is the protective fluid that surrounds the brain and spinal cord. It acts as a cushion to protect these vital organs from injury and provides nutrients to the nervous system. Blood, plasma, and myelin are not the fluids specifically surrounding the brain and spinal cord. Blood is found within blood vessels, plasma is the liquid component of blood, and myelin is a fatty substance that forms a protective sheath around nerve fibers.

5. The top-secret blueprints were for an intergalactic spaceship. Which of the following is the meaning of the prefix 'inter-' as used in the sentence above?

Correct answer: A

Rationale: The prefix 'inter-' means 'among' or 'between,' which is most fitting in the context of 'intergalactic' as 'among galaxies.' 'Below,' 'around,' and 'above' do not convey the correct meaning of the prefix 'inter-' in this context.

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