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Nursing Elites

ATI TEAS 7

Reading

1. What is the main concern the author raises about AI?

Correct answer: D

Rationale: The passage explicitly mentions concerns about bias, privacy, and job displacement, making D the main concern highlighted.

2. Which of the following is NOT a factor affecting the rate of a chemical reaction?

Correct answer: D

Rationale: Color of the reaction mixture. While color change can sometimes be an indicator of a reaction, it doesn't directly influence the reaction rate.

3. he adrenal cortex produces a group of steroid hormones called corticosteroids. What is a MAJOR function of corticosteroids?

Correct answer: B

Rationale: The correct answer is B: 'Control blood pressure and electrolyte balance.' Corticosteroids, produced by the adrenal cortex, play a major role in regulating blood pressure and electrolyte balance in the body. These hormones, such as aldosterone, act on the kidneys to control the reabsorption of sodium and water, which in turn affects blood pressure and electrolyte levels. While corticosteroids can have effects on other physiological processes, their primary function is to regulate blood pressure and electrolyte balance, making option B the most appropriate choice in this context.

4. What is the outermost layer of the dermis, rich in collagen and elastin fibers that provide elasticity to the skin?

Correct answer: A

Rationale: The correct answer is A: Papillary layer. The papillary layer is the outermost layer of the dermis and is rich in collagen and elastin fibers. These fibers provide elasticity to the skin, helping it maintain its structure and flexibility. The reticular layer, although deeper in the dermis, is not the outermost layer and is primarily responsible for providing strength and support to the skin. The stratum basale and stratum corneum are layers of the epidermis, not the dermis. The stratum basale is the deepest layer of the epidermis where new skin cells are formed, while the stratum corneum is the outermost layer of the epidermis composed of dead skin cells. Understanding the different layers of the skin is essential for comprehending its functions and properties.

5. How many moles of oxygen are required to completely react with 5 moles of propane (C3H8) in the combustion reaction?

Correct answer: b

Rationale: The balanced equation is C3H8 + 5O2 → 3CO2 + 4H2O, indicating a 5:10 ratio between moles of oxygen and moles of propane.

6. What is the main function of lysosomes?

Correct answer: A

Rationale: The main function of lysosomes is to break down and recycle cellular waste. Lysosomes contain digestive enzymes that help break down old or damaged organelles, foreign substances, and cellular debris. This process, known as autophagy, helps maintain cellular health and proper functioning. Storing carbohydrates (option B) is not a function of lysosomes; carbohydrates are typically stored in the form of glycogen in the cytoplasm or as starch in plant cells. Synthesizing lipids (option C) is primarily done by the endoplasmic reticulum and not by lysosomes. Transcribing DNA into mRNA (option D) is a function of the nucleus and not the lysosomes. Therefore, the correct answer is A: breaking down and recycling cellular waste.

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