ATI TEAS 7
Biology
1. What is the difference between DNA and RNA?
- A. Both are double-stranded.
- B. DNA contains deoxyribose sugar, while RNA contains ribose sugar.
- C. RNA contains the nitrogenous base uracil, while DNA contains thymine.
- D. Both are identical molecules.
Correct answer: B
Rationale: Rationale: A) Incorrect. DNA is double-stranded, but RNA is typically single-stranded. B) Correct. DNA contains deoxyribose sugar, which lacks an oxygen atom on the 2' carbon of the sugar ring, while RNA contains ribose sugar, which has an additional hydroxyl group on the 2' carbon. C) Incorrect. RNA contains the nitrogenous base uracil, while DNA contains thymine. D) Incorrect. DNA and RNA have distinct structures and functions, so they are not identical molecules.
2. How can you differentiate between a bacterial and viral infection based solely on symptoms?
- A. It's impossible to differentiate solely on symptoms.
- B. Bacterial infections typically respond well to antibiotics, while viral infections don't.
- C. Bacterial infections usually cause fever, while viral infections don't.
- D. Viral infections often present with respiratory symptoms like a cough, while bacterial infections don't.
Correct answer: B
Rationale: Option B is the correct answer because bacterial infections are typically treated with antibiotics, while viral infections do not respond to antibiotics. This is a key differentiating factor between the two types of infections. While some symptoms may overlap between bacterial and viral infections, the response to antibiotic treatment is a reliable indicator. It's important to note that solely relying on symptoms to differentiate between bacterial and viral infections can be challenging since many symptoms can be similar. Therefore, the response to antibiotics is a more definitive way to distinguish between the two types of infections.
3. What is the correct way to punctuate the following sentence: "She asked me if I wanted to go to the movies with her"?
- A. She asked me, if I wanted to go to the movies with her.
- B. She asked me: if I wanted to go to the movies with her?
- C. She asked me, if I wanted, to go to the movies with her.
- D. She asked me if I wanted to go to the movies with her.
Correct answer: D
Rationale: Option D uses a question mark within the quoted material as it is a direct question.
4. What is the main purpose of biological classification?
- A. To create a rigid and unchanging system for labeling organisms
- B. To understand the diversity and interconnectedness of life
- C. To simplify nature into neat and tidy categories
- D. To assign organisms to specific ecological niches
Correct answer: B
Rationale: Rationale: Biological classification, also known as taxonomy, is the science of categorizing and organizing living organisms based on shared characteristics. The main purpose of biological classification is not to create a rigid and unchanging system (option A) or to simplify nature into neat and tidy categories (option C). Instead, it aims to help us understand the diversity of life on Earth and how different organisms are related to each other. By classifying organisms into groups based on their evolutionary relationships, we can gain insights into the interconnectedness of life and better appreciate the complexity and beauty of the natural world. Assigning organisms to specific ecological niches (option D) is more related to ecological studies rather than biological classification.
5. After discussing the possible effects of the low patient satisfaction rate, the staff started to list
- A. Collaboration
- B. Majority rule
- C. Dominance
- D. Compromise
Correct answer: B
Rationale: The correct answer is B: 'Majority rule.' In this scenario, the staff is likely listing potential solutions or actions based on the opinion or agreement of the majority. Collaboration (A) involves working together towards a common goal, while Dominance (C) implies one person or group having control. Compromise (D) suggests finding a middle ground between different viewpoints. Majority rule best fits the situation where a decision or list of actions is being determined by what most people agree on, which is a common approach in group decision-making processes.
6. You need to buy cardboard to cover a rectangular box with dimensions 40cm by 30cm by 25cm. Considering only the exterior surfaces (not flaps or openings), how much cardboard do you need (assume one sheet covers 0.5 sq m)?
- A. 0.3 sq m
- B. 0.6 sq m
- C. 1.2 sq m
- D. 1.8 sq m
Correct answer: C
Rationale: Calculate the areas of each side and add them up for the total surface area. Divide by the coverage area per sheet to determine the number of sheets needed.
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