ATI TEAS 7
English Grammar
1. Choose the most appropriate word to complete the sentence "He was _____ about his upcoming presentation."
- A. apprehensive
- B. bored
- C. excited
- D. relieved
Correct answer: A
Rationale: "Apprehensive" implies a mild worry or nervousness, which best fits the context.
2. During sexual intercourse, sperm travels through a tube from the testes to the urethra. What is the name of this tube?
- A. Vas deferens
- B. Epididymis
- C. Seminal vesicle
- D. Urethra
Correct answer: A
Rationale: The correct answer is A: 'Vas deferens.' The vas deferens is a tube that carries sperm from the testes to the urethra during ejaculation. It is a crucial part of the male reproductive system, allowing for the transport of sperm for fertilization. The epididymis is where sperm mature and are stored, not where they travel during intercourse. The seminal vesicle is a gland that produces a significant portion of the seminal fluid. The urethra is the tube that carries both urine and semen out of the body but is not where sperm travels from the testes.
3. What is the neurotransmitter involved in muscle movement?
- A. Dopamine
- B. Acetylcholine
- C. Serotonin
- D. GABA
Correct answer: B
Rationale: The correct answer is B: Acetylcholine. Acetylcholine is the neurotransmitter involved in muscle movement. It is released by motor neurons at the neuromuscular junction to stimulate muscle contraction. Dopamine is involved in reward and pleasure pathways in the brain, serotonin plays a role in mood regulation, and GABA is an inhibitory neurotransmitter that helps to reduce neural activity. Understanding the specific roles of neurotransmitters is crucial in grasping their functions in the nervous system.
4. What is the SI unit of measurement for acceleration?
- A. Meters per second (m/s)
- B. Newton (N)
- C. Meters (m)
- D. Meters per second squared (m/s²)
Correct answer: d
Rationale: Acceleration is measured in meters per second squared (m/s²) in the SI unit system.
5. Approximately how many muscles are there in the human body?
- A. 100
- B. 100
- C. 600
- D. Over 600
Correct answer: D
Rationale: The correct answer is D. There are over 600 muscles in the human body. Muscles are responsible for movement, posture, and generating heat in the body. The exact number of muscles can vary slightly from person to person, but it is generally accepted that there are over 600 muscles in the human body. These muscles work together to allow us to perform various movements and activities throughout our daily lives.
6. A block slides down a frictionless inclined plane. What determines its final velocity at the bottom?
- A. The length of the incline
- B. The angle of the incline
- C. The mass of the block
- D. All of the above
Correct answer: B
Rationale: In the absence of friction, the final velocity depends only on the gravitational potential energy gained, which is determined by the height difference related to the angle of the incline.
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