the outermost layer of your skin is an example of which epithelial tissue type
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Nursing Elites

ATI TEAS 7

Mometrix TEAS 7 science practice test

1. Which epithelial tissue type is the outermost layer of your skin an example of?

Correct answer: B

Rationale: The outermost layer of the skin, known as the epidermis, is composed of stratified squamous epithelial tissue. This type of tissue is well-suited for protection against mechanical stress and dehydration, making it ideal for the skin's barrier function. Simple cuboidal (Choice A) epithelial tissue is found in areas where secretion and absorption occur, such as kidney tubules. Simple columnar (Choice C) epithelial tissue lines the digestive tract, providing a large surface area for absorption. Stratified columnar (Choice D) epithelial tissue is less common and is found in limited regions like parts of the male urethra and ducts of some glands, but not in the outermost layer of the skin.

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. Which of the following correctly orders the layers of the epidermis from most superficial to deepest?

Correct answer: B

Rationale: The correct order of the layers of the epidermis from most superficial to deepest is: Stratum corneum, Stratum lucidum, Stratum granulosum, Stratum spinosum, Stratum basale. Choice B, 'S. corneum, S. lucidum, S. granulosum, S. spinosum, S. basale,' provides the accurate layering from the outermost to the innermost layer of the epidermis. Choice A is incorrect as it starts with Stratum spinosum, which is not the most superficial layer. Choice C is incorrect as it places Stratum spinosum before Stratum basale. Choice D is incorrect as it starts with Stratum basale, which is the deepest layer of the epidermis.

4. Which types of waves are capable of interference and diffraction?

Correct answer: D

Rationale: Both longitudinal and transverse waves are capable of interference and diffraction. Interference occurs when two or more waves overlap and combine, either constructively (increasing amplitude) or destructively (decreasing amplitude). Diffraction is the bending of waves around obstacles or through openings, which can occur with both longitudinal and transverse waves. Choice A is incorrect because only stating longitudinal waves can undergo interference and diffraction is inaccurate. Choice B is also incorrect as transverse waves, not just longitudinal waves, can exhibit these phenomena. Choice C is incorrect because electromagnetic waves are a broad category that includes both longitudinal and transverse waves, so it is not exclusive to either type. The correct answer is D because both longitudinal and transverse waves can demonstrate interference and diffraction.

5. When a car brakes to a stop, friction between the tires and the road acts as:

Correct answer: B

Rationale: When a car brakes to a stop, friction between the tires and the road acts as an unbalanced force causing deceleration. This friction force opposes the motion of the car, resulting in a decrease in speed until the car comes to a complete stop. Choice A is incorrect because if the forces were balanced, the car would not experience any deceleration. Choice C is incorrect because if the force were unbalanced in the direction of motion, the car would continue to move instead of coming to a stop. Choice D is incorrect because friction between the tires and the road does exert a force, causing deceleration.

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