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Nursing Elites

ATI TEAS 7

Scientific Reasoning

1. A news article claims a scientist has discovered a cure for cancer. How should you approach this information?

Correct answer: B

Rationale: Extraordinary claims require extraordinary evidence. It's essential to wait for scientific consensus and verification before accepting such groundbreaking claims.

2. Warming up before exercise is important to help prevent

Correct answer: B

Rationale: The correct answer is B: 'Muscle soreness.' Warming up before exercise is crucial as it helps increase blood flow to the muscles, warming them up and making them more flexible. This can help reduce the risk of muscle soreness and injury during and after exercise. Dehydration (A) is more related to maintaining proper fluid balance through hydration. Increased heart rate (C) is a normal response to exercise and can be beneficial. Low blood sugar (D) is more of a concern for individuals with conditions like diabetes. Therefore, the most immediate benefit of warming up is to prevent muscle soreness.

3. A new medication claims to reduce allergy symptoms by 90%. A study is conducted where 100 participants with allergies take the medication, and 90 report symptom reduction. Should this be enough evidence to recommend the medication for everyone?

Correct answer: C

Rationale: : Comparing the medication group to a group receiving a placebo (inactive substance) would help isolate the medication's true effect and avoid attributing symptom reduction to other factors.

4. The term "barn" is a unit commonly used in nuclear physics to quantify:

Correct answer: C

Rationale: The term 'barn' is a unit of measurement used in nuclear physics to quantify nuclear cross-section. Nuclear cross-section refers to the measure of the probability of a specific interaction occurring between particles during a nuclear reaction. The term 'barn' was coined based on its relation to the physical size of a nucleus, as it is a small unit of area used to describe the likelihood of a particle interacting with a nucleus. It is not used to quantify energy, radioactivity, or half-life, making options A, B, and D incorrect in this context.

5. Which element is used in fluorescent lamps and emits ultraviolet light when excited?

Correct answer: A

Rationale: Mercury vapor in fluorescent lamps generates UV light that excites phosphors on the lamp's inner surface, producing visible light.

6. Which condition is characterized by inflammation of the inner lining of the stomach?

Correct answer: D

Rationale: The correct answer is D, gastritis. Gastritis refers to the inflammation of the inner lining of the stomach, which can be caused by various factors such as excessive alcohol consumption, prolonged use of NSAIDs, or bacterial infections like H. pylori. Gastroesophageal reflux disease (GERD) is characterized by the backflow of stomach acid into the esophagus, not inflammation of the stomach lining. Diverticulitis is inflammation of small pouches that can develop in the colon, while ulcerative colitis is inflammation in the large intestine. Therefore, gastritis best fits the description of inflammation in the inner lining of the stomach.

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