ATI TEAS 7
English Grammar
1. What is the main verb tense in the following sentence? "She had already left before I arrived."
- A. Present tense
- B. Past tense
- C. Future tense
- D. t perfect tense
Correct answer: D
Rationale: The verb "had left" is in the past perfect tense, indicating an action completed before another past action ("arrived").
2. Which of the following is NOT a function of the muscular system?
- A. Movement
- B. Maintaining posture
- C. Generating heat
- D. Regulating blood sugar levels
Correct answer: D
Rationale: The correct answer is D: "Regulating blood sugar levels." The muscular system primarily functions in movement, maintaining posture, and generating heat. Muscles contract and relax to allow movement and help us stay upright. They also produce heat through muscle contractions to maintain body temperature. Regulating blood sugar levels is primarily controlled by the endocrine system, specifically the pancreas and hormones like insulin and glucagon. Therefore, this function is not directly related to the muscular system.
3. Which verb tense best fits the blank: "By next month, she _____ the project for a year."
- A. will have been working on
- B. will work on
- C. has been working on
- D. had worked on
Correct answer: C
Rationale: The sentence emphasizes the completed duration of the project by next month, requiring the present perfect continuous tense.
4. Define work in physics.
- A. Force applied to an object at rest
- B. Force exerted by an object in motion
- C. Transfer of energy through motion along a direction
- D. Measure of an object's potential energy
Correct answer: c
Rationale: Work in physics is the transfer of energy when a force is applied and the object moves in the direction of the force.
5. Which part of the neuron is responsible for transmitting signals away from the cell body and toward other neurons or muscles?
- A. Axon
- B. Dendrite
- C. Synapse
- D. Myelin sheath
Correct answer: a
Rationale: The correct answer is 'A: Axon.' The axon is a long, slender projection of a neuron that carries nerve impulses away from the cell body towards other neurons or muscles. It acts as the primary transmission line of the nervous system, sending electrical signals known as action potentials. Dendrites, on the other hand, receive signals from other neurons and transmit them towards the cell body. The synapse is the junction between two neurons where communication occurs. The myelin sheath is a fatty substance that surrounds and insulates the axon, speeding up the transmission of nerve impulses. Therefore, the axon is specifically responsible for transmitting signals away from the cell body, making it the correct answer.
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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