ATI TEAS 7
physics
1. Which property of a substance refers to its ability to be stretched into thin wires without breaking?
- A. Conductivity
- B. Viscosity
- C. Ductility
- D. Malleability
Correct answer: c
Rationale: Ductility is the property that describes a substance's ability to be stretched into thin wires without breaking.
2. A table shows the average blood pressure readings for different age groups. How do you determine the highest average systolic pressure?
- A. Find the largest number in the "systolic pressure" column.
- B. Compare the means (averages) of each age group.
- C. Add all systolic pressure values and divide by the total number of patients.
- D. Subtract the lowest systolic pressure from the highest.
Correct answer: A
Rationale: Rationale: - To determine the highest average systolic pressure, you need to identify the highest individual systolic pressure reading in the dataset. - Option A instructs you to find the largest number in the "systolic pressure" column, which directly addresses the task of identifying the highest systolic pressure reading. - Comparing means (Option B) would not necessarily give you the highest individual systolic pressure reading, as averages can be influenced by the distribution of values within each age group. - Adding all systolic pressure values and dividing by the total number of patients (Option C) would give you the overall average systolic pressure, not the highest individual reading. - Subtracting the lowest systolic pressure from the highest (Option D) would give you the range of systolic pressures, not specifically the highest individual reading. Therefore, the correct approach to determine the highest average systolic pressure
3. A car skids on a wet road. What is the main force preventing the car from stopping?
- A. Friction
- B. Gravitational force
- C. Normal force from the road
- D. Air resistance
Correct answer: A
Rationale: Friction opposes the motion of the car, trying to bring it to a stop. However, due to the wet surface, the friction force is not enough to overcome the car's inertia.
4. Which of the following is the main function of the pancreas?
- A. To store food and break it down into smaller pieces
- B. To absorb nutrients into the bloodstream
- C. To produce enzymes that help digest food
- D. To regulate blood sugar levels
Correct answer: C
Rationale: Rationale: The pancreas is a vital organ in the digestive system that produces digestive enzymes such as amylase, lipase, and proteases. These enzymes are released into the small intestine to help break down carbohydrates, fats, and proteins in food, aiding in the digestion and absorption of nutrients. Options A and B are incorrect because the pancreas is not involved in storing or absorbing nutrients. Option D is partially correct as the pancreas also plays a role in regulating blood sugar levels by producing insulin and glucagon, but its primary function is to produce digestive enzymes.
5. Which adjective best describes the following setting: "A lone cabin stood nestled amongst towering pines, smoke curling from its chimney into the crisp mountain air."
- A. Bland
- B. Urban
- C. Idyllic
- D. Sterile
Correct answer: C
Rationale: "Idyllic" captures the peaceful and picturesque nature of the setting.
6. Define "acceleration" in terms of motion.
- A. Change in velocity over time
- B. Speed in a straight line
- C. Distance covered in a given time
- D. Force applied to an object
Correct answer: a
Rationale: Acceleration measures the rate of change of velocity with respect to time.
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