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Nursing Elites

ATI TEAS 7

Biology

1. What is the function of the cell membrane?

Correct answer: A

Rationale: Rationale: The cell membrane, also known as the plasma membrane, serves as a protective barrier for the cell, separating the internal environment of the cell from the external environment. It is selectively permeable, meaning it controls the passage of substances in and out of the cell. This regulation of what enters and exits the cell is crucial for maintaining the cell's internal environment and ensuring proper functioning. Options B, C, and D are incorrect because storing energy, producing proteins, and synthesizing lipids are functions carried out by other cellular structures such as mitochondria, ribosomes, and endoplasmic reticulum, respectively, not the cell membrane.

2. What is the scientific name for the tear gland?

Correct answer: A

Rationale: The lachrymal gland is the almond-shaped gland located above each eye, responsible for producing tears. Tears are a complex mixture of water, electrolytes, proteins, and other substances that help lubricate and protect the eyes from dryness and irritation.

3. Which statement BEST summarizes the author's perspective on bioremediation for plastic pollution?

Correct answer: B

Rationale: The passage acknowledges the potential of bioremediation while highlighting the need for further research, indicating a balanced perspective.

4. The inability of the kidneys to effectively filter waste products from the blood is called:

Correct answer: B

Rationale: The correct answer is B: "Kidney failure." Kidney failure refers to the inability of the kidneys to effectively filter waste products from the blood, leading to a buildup of toxins in the body. Dehydration, option A, is the state of lacking adequate fluid in the body and is not specifically related to kidney function. Incontinence, option C, is the loss of bladder control and is unrelated to kidney filtration function. Nephritis, option D, specifically refers to inflammation of the kidneys and may not always result in complete kidney failure. Therefore, the most appropriate answer for the described scenario is B.

5. In the phrase "a drop in the bucket," "bucket" represents:

Correct answer: B

Rationale: The phrase signifies that something is insignificant compared to a much larger amount.

6. How does an increase in temperature generally affect the solubility of most solid solutes in a liquid solvent?

Correct answer: a

Rationale: In general, increasing temperature tends to increase the solubility of most solid solutes in liquid solvents. The other choices do not accurately describe the effect of temperature on solubility.

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