ATI TEAS 7
Chemistry
1. What is the law that states energy can neither be created nor destroyed?
- A. Law of Conservation of Matter
- B. Law of Conservation of Energy
- C. Law of Universal Gravitation
- D. Law of Inertia
Correct answer: B
Rationale: Law of Conservation of Energy. This law applies to both chemical and physical processes, including chemical reactions.
2. What is the difference between type 1 and type 2 diabetes, both related to insulin and blood sugar?
- A. Type 1 is caused by insulin resistance, type 2 by insulin deficiency.
- B. Type 1 is temporary, type 2 is permanent.
- C. Type 1 affects adults, type 2 affects children
- D. Type 1 is treated with diet only, type 2 requires medication.
Correct answer: A
Rationale: The correct answer is A: 'Type 1 is caused by insulin resistance, type 2 by insulin deficiency.' Type 1 diabetes is an autoimmune condition where the body attacks insulin-producing cells, leading to insulin deficiency. In contrast, type 2 diabetes occurs when the body becomes resistant to insulin's effects. This distinction is crucial for understanding the underlying causes and treatment approaches for each type of diabetes. Type 1 diabetes is not temporary; it is a chronic condition that requires lifelong management. Type 2 diabetes can also affect adults, but it is more commonly diagnosed in middle-aged and older adults. Treatment for type 1 diabetes typically involves insulin therapy along with diet and exercise, while type 2 diabetes may require medication in addition to lifestyle modifications.
3. She decides to have a decentralized staffing system. Which of the following is an advantage
- A. greater control of activities
- B. Conserves time
- C. Compatible with computerization
- D. Promotes better interpersonal relationship
Correct answer: A
Rationale: The correct answer is A: 'greater control of activities.' Having a decentralized staffing system allows for the delegation of decision-making to lower levels of the organization, which can result in greater control over activities. This can lead to quicker responses to issues and better alignment with specific departmental needs. Options B, C, and D do not directly relate to the advantage of a decentralized staffing system. While conserving time, compatibility with computerization, and promoting better interpersonal relationships are important considerations in staffing decisions, they do not specifically align with the advantage of greater control that a decentralized system provides.
4. What is the relationship between force and acceleration according to Newton's second law?
- A. Force is directly proportional to acceleration
- B. orce is inversely proportional to acceleration
- C. Force has no relation to acceleration
- D. Force causes deceleration, not acceleration
Correct answer: A
Rationale: According to Newton's second law of motion, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This relationship is mathematically expressed as F = ma, where F represents force, m represents mass, and a represents acceleration. Therefore, an increase in force will result in a proportional increase in acceleration, supporting the statement that force is directly proportional to acceleration.
5. A population refers to a group of organisms of the same:
- A. Species living in the same area
- B. Genus competing for resources
- C. Kingdom inhabiting a specific biome
- D. Phylum found throughout the world
Correct answer: A
Rationale: In ecology, a population is a specific group of organisms of the same species living in a particular geographic area at a given time. They share a common gene pool and interact with each other and their environment.
6. Two objects with different masses collide. What happens to their momentum after the collision?
- A. Increases for both objects
- B. Decreases for both objects
- C. Remains the same for both objects
- D. Can increase for one and decrease for the other
Correct answer: C
Rationale: In an isolated system (no external forces), the total momentum
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