which of the following has an acidic ph
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Nursing Elites

ATI TEAS 7

ATI TEAS Science Questions

1. Which of the following substances has an acidic pH?

Correct answer: A

Rationale: The correct answer is A, Lemon juice, which has an acidic pH typically around 2 due to its citric acid content. Blood, urine, and salt water are not typically acidic in nature. Blood has a slightly basic pH, urine can vary but is usually slightly acidic to neutral, and salt water is neutral to slightly alkaline. Lemon juice is a commonly known acidic substance, often used in cooking and cleaning due to its acidic properties.

2. Connective tissue provides support and connects other tissues. What is the main component that gives connective tissue its strength?

Correct answer: A

Rationale: Collagen fibers are the main component that gives connective tissue its strength. Collagen is a fibrous protein that provides structural support and tensile strength to connective tissues, allowing them to withstand stretching and tension. Epithelial cells, nerve cells, and blood cells are not the main components responsible for the strength of connective tissue. Epithelial cells are specialized for covering and lining surfaces, nerve cells transmit signals, and blood cells are involved in various functions like oxygen transport and immune response, but they do not provide the structural strength typical of collagen fibers in connective tissue.

3. The speaker addresses his audience as 'My Good Friends.' What kind of credibility does this salutation give to the speaker?

Correct answer: B

Rationale: The salutation 'My Good Friends' used by Charles Dickens in his speech to the working men and their families in Birmingham shows that he is addressing them as an entertainer, aiming to connect with them before delivering a serious message. This friendly language establishes a personal connection with the audience, setting a tone of camaraderie and warmth. The salutation is not meant to bridge a gap between an employer and employees (Choice A), create irony (Choice C), or grab attention like a politician (Choice D). Instead, it is a genuine and warm address to engage the audience before conveying his earnest hope about the Institute's principles.

4. How many milliliters are in 0.5 liters?

Correct answer: A

Rationale: To convert from liters to milliliters, you need to multiply by 1000 since there are 1000 milliliters in a liter. Therefore, 0.5 liters x 1000 = 500 milliliters. This conversion is common in various contexts where different units of volume are used. Choices B, C, and D are incorrect as they do not reflect the correct conversion factor from liters to milliliters.

5. Which of the following organs does not belong with the others?

Correct answer: B

Rationale: The correct answer is B - Stomach. The stomach is primarily involved in the digestive system, breaking down food through digestion. In contrast, the thyroid gland, intestines, and pancreas are part of the endocrine system or digestive system, involved in hormone production, nutrient absorption, and digestion. Therefore, the stomach stands out as the odd one in this group as it is the only organ specifically dedicated to digestion, while the others have dual roles or different primary functions.

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