ATI TEAS 7
Mathematics
1. 7 is divisible by which of the following numbers?
- A. 2 only
- B. 3 only
- C. 1 and 7 only
- D. 2, 3, and 7
Correct answer: D
Rationale: Rationale: 1. 7 is divisible by 1 because every number is divisible by 1. 2. 7 is divisible by 7 because any number is divisible by itself. 3. 7 is not divisible by 2 because 7 is an odd number and not divisible by 2. 4. 7 is not divisible by 3 because the sum of the digits of 7 (7) is not divisible by 3. Therefore, 7 is divisible by 1, 7, and itself (7), making the correct answer D) 2, 3, and 7.
2. The author most likely included information about the Silk Road to...
- A. Introduce a famous tourist destination.
- B. Explain the architectural style of Petra.
- C. Emphasize the historical context of the city.
- D. Compare Petra to other ancient trade centers.
Correct answer: C
Rationale: The Silk Road directly impacts Petra's history and prosperity, making it relevant to the historical context
3. In the context of the cardiac cycle, the P wave on an electrocardiogram (ECG) represents:
- A. Atrial depolarization
- B. Ventricular depolarization
- C. Atrial repolarization
- D. Ventricular repolarization
Correct answer: A
Rationale: The correct answer is A: "Atrial depolarization." The P wave on an ECG represents the depolarization of the atria, specifically the spread of electrical activity through the atria causing them to contract and push blood into the ventricles. This is the first wave observed on the ECG and signifies the beginning of the cardiac cycle. Ventricular depolarization is represented by the QRS complex, atrial repolarization is typically not visible on a standard ECG due to its timing with the QRS complex, and ventricular repolarization is represented by the T wave. Therefore, option A is the most appropriate choice in this context.
4. Identify the verb in the following sentence: The dog chased the fluffy squirrel around the oak tree.
- A. around
- B. chased
- C. squirrel
- D. the
Correct answer: B
Rationale: Verbs express actions or states of being. In this sentence, "chased" describes what the dog did.
5. Reactions requiring light energy to proceed are classified as:
- A. Combustion reactions
- B. Endothermic reactions
- C. Photochemical reactions
- D. Double displacement reactions
Correct answer: C
Rationale: The correct answer is C: "Photochemical reactions." Photochemical reactions are a type of chemical reaction that requires light energy to proceed. During a photochemical reaction, light energy is absorbed by a substance, leading to changes in its chemical structure or properties. This process is different from combustion reactions (A), which involve the rapid combination of a fuel with oxygen to release heat and light energy. Endothermic reactions (B) absorb heat energy, not light energy, to proceed. Double displacement reactions (D) involve the exchange of ions between reactants, but do not specifically require light energy to occur. Therefore, the most appropriate classification for reactions requiring light energy is photochemical reactions.
6. The author likely intended to use the phrase "interconnected sensors" to emphasize...
- A. The cost-effectiveness of smart city technology.
- B. The complexity and network-based nature of the system.
- C. The potential for environmental harm of sensor installation.
- D. The aesthetic appeal of modern urban infrastructure.
Correct answer: B
Rationale: "Interconnected" highlights the integration and communication between sensors, indicating a complex network approach.
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