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Nursing Elites

ATI TEAS 7

Scientific Reasoning

1. A news article claims a scientist has discovered a single, universal cure for all allergies. This claim seems:

Correct answer: B

Rationale: Science rarely offers universal solutions for complex biological phenomena. Extraordinary claims require extraordinary evidence and independent verification.

2. Reactions requiring light energy to proceed are classified as:

Correct answer: C

Rationale: The correct answer is C: "Photochemical reactions." Photochemical reactions are a type of chemical reaction that requires light energy to proceed. During a photochemical reaction, light energy is absorbed by a substance, leading to changes in its chemical structure or properties. This process is different from combustion reactions (A), which involve the rapid combination of a fuel with oxygen to release heat and light energy. Endothermic reactions (B) absorb heat energy, not light energy, to proceed. Double displacement reactions (D) involve the exchange of ions between reactants, but do not specifically require light energy to occur. Therefore, the most appropriate classification for reactions requiring light energy is photochemical reactions.

3. A scientific theory is:

Correct answer: B

Rationale: Theories in science are constantly evolving and open to revision as new data emerges, unlike personal beliefs or fixed dogmas.

4. What is the formula for calculating molarity?

Correct answer: a

Rationale: All of these choices are equivalent to the original formula. The symbol "n" represents the number of moles of solute, and the symbol "V" represents the volume of the solution in liters. The symbol "L" is an abbreviation for "liters," and "dm³" is an alternative way to represent liters.

5. What is the most effective way to ensure clarity and conciseness in your writing?

Correct answer: B

Rationale: Concise writing eliminates unnecessary words and uses active voice to express ideas directly and clearly.

6. Identify the determiner in the following sentence: A few birds chirped happily in the branches of the tall tree.

Correct answer: C

Rationale: Determiners specify the quantity or identity of a noun. "Few" indicates the number of birds.

Similar Questions

Identify the determiner in the following sentence: A few birds chirped happily in the branches of the tall tree.
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What is the name for the process where a solid changes directly into a gas?
What property of matter measures the amount of space occupied by an object?

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