ATI TEAS 7
Reading
1. The final sentence suggests that users should approach social media with a healthy dose of
- A. Enthusiasm and optimism about its potential for connection and engagement.
- B. Skepticism and critical thinking towards the information encountered online.
- C. Acceptance of its flaws and a passive reliance on its features for interaction.
- D. Indifference towards its impacts and an absence of any effort to manage its use.
Correct answer: B
Rationale: The emphasis on "critical thinking" and "skepticism" suggests the importance of approaching social media with a cautious and discerning mind, aligning with B
2. What scientific term encompasses a permanent alteration in the DNA sequence?
- A. Trait
- B. Mutation
- C. Allele
- D. Variation
Correct answer: B
Rationale: Rationale: A) Trait: A trait is a characteristic or feature of an organism that is determined by its genes. B) Mutation: A mutation is a permanent alteration in the DNA sequence that can result from errors during DNA replication, exposure to mutagens, or other factors. C) Allele: An allele is a variant form of a gene that can result in different traits or characteristics. D) Variation: Variation refers to the differences in traits or characteristics among individuals of the same species, which can be influenced by genetic and environmental factors. In this context, the term that specifically refers to a permanent alteration in the DNA sequence is "mutation."
3. 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.
4. 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.
5. Which of the following is NOT a primary producer in an ecosystem?
- A. Grass
- B. Deer
- C. Algae
- D. Mushroom
Correct answer: B
Rationale: Rationale: - A) Grass: Grass is a primary producer because it can photosynthesize and convert sunlight into energy, making it the base of the food chain. - B) Deer: Deer are consumers that feed on primary producers like grass, so they are not primary producers themselves. - C) Algae: Algae are primary producers that can photosynthesize and produce energy from sunlight. - D) Mushroom: Mushrooms are decomposers that break down organic matter, so they are not primary producers.
6. Which of the following is the primary function of the cell membrane?
- A. To provide structural support for the cell
- B. To transport substances in and out of the cell
- C. To synthesize proteins and lipids
- D. To store genetic material
Correct answer: B
Rationale: Rationale: The cell membrane, also known as the plasma membrane, plays a crucial role in regulating the movement of substances in and out of the cell. It is selectively permeable, meaning it allows certain molecules to pass through while blocking others. This function is essential for maintaining the internal environment of the cell and ensuring that necessary nutrients can enter the cell while waste products and other substances can exit. While the cell membrane does provide some structural support for the cell, its primary function is to control the transport of substances. The synthesis of proteins and lipids primarily occurs in other cellular organelles such as the endoplasmic reticulum and Golgi apparatus, while storing genetic material is the function of the nucleus.
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