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Nursing Elites

ATI TEAS 7

Anatomy

1. The outermost layer of your skin is an example of which epithelial tissue type?

Correct answer: B

Rationale: The correct answer is B: Stratified squamous. The outermost layer of the skin, known as the epidermis, is primarily composed of stratified squamous epithelium. This type of epithelial tissue is designed to protect underlying tissues from abrasion and external factors. Simple cuboidal epithelium (option A) is typically found in areas where secretion and absorption occur, like in kidney tubules. Simple columnar epithelium (option C) lines the intestines and aids in absorption. Stratified columnar epithelium (option D) is relatively rare in the body and is found in limited areas such as parts of the male urethra. Hence, option B is the best choice as it accurately reflects the specific type of epithelial tissue that forms the outer layer of the skin.

2. Which phenomenon explains the formation of rainbows in the sky?

Correct answer: C

Rationale: Refraction and dispersion of sunlight by water droplets in the atmosphere separate white light into its constituent colors, creating the rainbow phenomenon.

3. Which statement accurately describes the relationship between electron configuration and the periodic table?

Correct answer: B

Rationale: Elements within the same group have similar electron configurations in their outermost shell. This explains why elements in the same group often share similar chemical properties.

4. How does lymph move through the lymphatic vessels?

Correct answer: D

Rationale: The correct answer is D: "All of the above." Lymph, a clear fluid that carries immune cells and waste products, moves through the lymphatic vessels by multiple mechanisms. While the pumping action of the heart plays a minor role, the primary driving forces are muscle contractions and breathing movements that squeeze the vessels. Additionally, lymphatic vessels contain one-way valves that prevent the backward flow of lymph, ensuring that it moves in the right direction. Therefore, all of the options provided contribute to the movement of lymph through the lymphatic system.

5. What property of a substance remains constant regardless of its location in the universe?

Correct answer: a

Rationale: Mass is an intrinsic property of matter that remains constant regardless of its location in the universe.

6. Which of the following is the smallest unit of matter?

Correct answer: B

Rationale: An atom is the fundamental building block of matter, while molecules are formed by the combination of atoms.

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