ATI TEAS 7
Mathematics
1. A bag contains 5 red marbles and 7 blue marbles. If you draw a marble without looking, what is the probability it will be red?
- A. 1/4
- B. 1/3
- C. 1/2
- D. 2/3
Correct answer: A
Rationale: Divide the number of red marbles (5) by the total number of marbles (12) to get 1/3 probability.
2. He emphasizes to the team that they need to put their efforts together towards the attainment
- A. Span of control
- B. Unity of direction
- C. Unity of command
- D. Command responsibility
Correct answer: B
Rationale: The correct answer is B: Unity of direction. Unity of direction is a principle of management which states that all activities within an organization should be directed towards the same objectives. In this scenario, the leader is stressing the importance of aligning the team's efforts towards a common goal or objective. This ensures that everyone is working towards a shared purpose, avoiding conflicting or contradictory actions. Span of control refers to the number of subordinates a manager can effectively supervise. Unity of command relates to the principle that employees should receive orders from only one supervisor to avoid confusion and conflict. Command responsibility is a term often used in the context of accountability for actions taken under one's command. Therefore, the most appropriate concept in this context is Unity of direction.
3. What property of a substance remains constant regardless of changes in its shape or size?
- A. Mass
- B. Weight
- C. Density
- D. Volume
Correct answer: a
Rationale: Mass remains constant regardless of changes in an object's shape or size.
4. The pancreas secretes digestive enzymes into the small intestine. What enzyme breaks down proteins into amino acids?
- A. Pepsin
- B. Lipase
- C. Amylase
- D. Trypsin
Correct answer: D
Rationale: The correct answer is D: Trypsin. Trypsin is an enzyme produced by the pancreas and secreted into the small intestine where it plays a key role in breaking down proteins into smaller peptides and amino acids. Pepsin is produced in the stomach and specifically acts on protein, not in the small intestine. Lipase is an enzyme that breaks down fats, not proteins. Amylase is an enzyme that breaks down carbohydrates, not proteins. Therefore, Trypsin is the enzyme responsible for breaking down proteins into amino acids in the small intestine.
5. Identify the compound-complex sentence in the following options:
- A. The baker decorated the cake, and then he presented it proudly.
- B. Although it was raining, the children played outside.
- C. When the sun rises, the birds begin to sing.
- D. He enjoyed reading the book because it was suspenseful.
Correct answer: D
Rationale: A compound-complex sentence contains at least two independent clauses and at least one dependent clause.
6. The term that refers to the specific role and position an organism occupies within an ecosystem is called a:
- A. Habitat
- B. Niche
- C. Population
- D. Biome
Correct answer: B
Rationale: Rationale: A) Habitat refers to the specific physical environment where an organism lives, including the biotic and abiotic factors present. While the habitat is important for an organism's survival, it does not encompass the specific role and interactions of the organism within the ecosystem. B) Niche refers to the specific role and position an organism occupies within an ecosystem, including its interactions with other organisms and its physical environment. This includes the organism's feeding habits, behavior, preferred habitat, and how it obtains resources. The niche of an organism is crucial in determining its impact on the ecosystem and its relationships with other species. C) Population refers to a group of individuals of the same species living in a specific area and interacting with each other. While populations play a role in ecosystems, they do not specifically describe the role and position of an individual organism within the ecosystem. D) Biome refers to a large geog
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