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Nursing Elites

ATI TEAS 7

Anatomy

1. What is the name for the hard, protective protein that makes up hair and nails?

Correct answer: B

Rationale: The correct answer is B: Keratin. Keratin is the name for the hard, protective protein that makes up hair and nails. Collagen is a structural protein found in connective tissues, while elastin is a protein that allows tissues in the body to resume their shape after stretching. Fibrin is a protein involved in blood clotting. Understanding the different roles of these proteins can help in identifying the correct answer as keratin specifically pertains to hair and nails.

2. What is the common name for the organic compound CH₃OH?

Correct answer: C

Rationale: CH₃OH is commonly known as methanol. The other choices represent different organic compounds.

3. What is the relationship between work and the displacement of an object?

Correct answer:

Rationale: Work done is directly proportional to the displacement of an object in the direction of the force applied.

4. What is the difference between a germline mutation and a somatic mutation?

Correct answer: B

Rationale: Rationale: - Germline mutations are changes in the DNA of reproductive cells (sperm or egg cells) and can be passed on to offspring, affecting all cells in the resulting organism. - Somatic mutations are changes in the DNA of non-reproductive cells (body cells) and are not passed on to offspring. These mutations only affect the cells that arise from the mutated cell. - Option A is incorrect because somatic mutations are not passed to offspring. - Option C is incorrect because both germline and somatic mutations can affect any DNA. - Option D is incorrect because the effects of mutations, whether germline or somatic, can be beneficial, harmful, or have no significant impact.

5. Salts are formed by the reaction between:

Correct answer: B

Rationale: Salts are ionic compounds formed by the reaction of an acid and a base

6. A triangular scarf has sides measuring 10cm, 12cm, and 15cm. What is its perimeter?

Correct answer: C

Rationale: Simply add the lengths of all sides: perimeter = side1 + side2 + side3 = 10cm + 12cm + 15cm = 37cm.

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