ATI TEAS 7
Mathematics
1. The formula for calculating ideal body weight (IBW) for men is IBW (kg) = 50 + 2.3 * (height in cm - 150). If a man is 180cm tall, what is his ideal body weight?
- A. 68kg
- B. 71kg
- C. 74kg
- D. 77kg
Correct answer: C
Rationale: Substitute the man's height (180cm) into the formula: IBW = 50 + 2.3 * (180 - 150) = 74kg.
2. Describe the concept of inertia in terms of Newton's first law.
- A. Objects in motion tend to remain in motion unless acted upon by an external force
- B. Objects at rest tend to remain at rest unless acted upon by an external force
- C. An object's resistance to a change in its state of motion
- D. The force required to lift an object
Correct answer: c
Rationale: Inertia refers to an object's tendency to maintain its current state of motion (either at rest or in motion) unless acted upon by an external force.
3. Which statement BEST summarizes the author's perspective on bioremediation for plastic pollution?
- A. It is the only viable solution to the problem and should be prioritized.
- B. It is a promising approach but requires further research and development.
- C. It is less effective than traditional methods and poses environmental risks.
- D. It is irrelevant to the problem and will not make a significant impact.
Correct answer: B
Rationale: The passage acknowledges the potential of bioremediation while highlighting the need for further research, indicating a balanced perspective.
4. What property of matter refers to the force of gravity acting on an object?
- A. Mass
- B. Weight
- C. Density
- D. Volume
Correct answer: b
Rationale: Weight is the measure of the force of gravity acting on an object. It is calculated as mass multiplied by the acceleration due to gravity.
5. Simplify the expression: -5 + (-8)
- A. -13
- B. 8
- C. 13
- D. -5
Correct answer: A
Rationale: Combine the negative signs by adding them together. -5 + (-8) = -13
6. Which of the following is a redox reaction?
- A. 2H2 + O2 → 2H2O
- B. Zn + 2HCl → ZnCl2 + H2
- C. 2NaCl → 2Na + Cl2
- D. CH4 + 2O2 → CO2 + 2H2O
Correct answer: b
Rationale: The oxidation state of Zn changes from 0 to +2, indicating a redox reaction.
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