ATI TEAS 7
Scientific Reasoning
1. Which of the following is the best approach to resolving conflicting scientific findings?
- A. Dismiss one set of findings as wrong without further investigation.
- B. Conduct additional research to identify potential sources of discrepancies.
- C. Accept the findings from the more prestigious research institution.
- D. Rely on media interpretations and public opinion to settle the debate.
Correct answer: B
Rationale: When faced with conflicting scientific findings, the best approach is to conduct additional research to identify potential sources of discrepancies. This allows for a more thorough understanding of the topic and helps in resolving the conflicting findings through a scientific and evidence-based approach. Dismissing findings without further investigation, relying on prestige, or turning to media interpretations and public opinion can lead to misunderstandings and hinder scientific progress. Conducting additional research promotes a more comprehensive and accurate understanding of the subject matter.
2. What is the purpose of the periosteum, the tough outer layer of bone?
- A. Produces red blood cells
- B. Provides protection and nourishment to bone
- C. Forms the joint surface
- D. Stores minerals
Correct answer: B
Rationale: The correct answer is B: 'Provides protection and nourishment to bone.' The periosteum is a tough outer layer of bone that serves multiple functions. It provides protection by acting as a barrier against infections and injuries. Additionally, the periosteum contains blood vessels that supply nutrients to the bone cells, aiding in bone growth, repair, and maintenance. While red blood cells are produced in the bone marrow, not in the periosteum, the periosteum's primary role is to support the overall health and integrity of the bone structure.
3. What is the relationship between work, force, and displacement?
- A. Work is directly proportional to force but inversely proportional to displacement
- B. Work is directly proportional to both force and displacement
- C. Work is inversely proportional to force but directly proportional to displacement
- D. Work is inversely proportional to both force and displacement
Correct answer: b
Rationale: Work done is the product of force and displacement in the direction of the force.
4. Which type of waves are capable of interference and diffraction?
- A. Longitudinal waves only
- B. Transverse waves only
- C. Electromagnetic waves only
- D. Both longitudinal and transverse waves
Correct answer: d
Rationale: Both longitudinal and transverse waves can exhibit interference and diffraction phenomena.
5. A set of temperature readings has a range of 5 degrees Celsius. What does this tell you about the data?
- A. The average temperature is 5 degrees Celsius.
- B. All temperatures are within 5 degrees of each other.
- C. The difference between the highest and lowest temperatures is 5 degrees.
- D. There are exactly 5 temperatures in the set.
Correct answer: C
Rationale: Rationale: - Option A is incorrect because the range of 5 degrees does not necessarily mean that the average temperature is 5 degrees Celsius. The average temperature could be any value within the range. - Option B is incorrect because the range of 5 degrees does not mean that all temperatures are within 5 degrees of each other. It only indicates the difference between the highest and lowest temperatures. - Option C is correct because the range of 5 degrees specifically refers to the difference between the highest and lowest temperatures in the set. This is a common definition of range in statistics. - Option D is incorrect because the range of 5 degrees does not determine the number of temperatures in the set. The set could have more or fewer than 5 temperatures.
6. What is the medical term for a urinary tract infection (UTI)?
- A. Nephritis
- B. Cystitis
- C. Urethritis
- D. All of the above
Correct answer: D
Rationale: The correct answer is D, 'All of the above.' A urinary tract infection (UTI) can affect different parts of the urinary system. Nephritis refers to inflammation of the kidneys, cystitis refers to inflammation of the bladder, and urethritis refers to inflammation of the urethra. Therefore, all of these terms can be used to describe a UTI depending on which part of the urinary tract is affected. It's important to differentiate between these terms to accurately diagnose and treat UTIs.
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