ATI TEAS 7
English Grammar
1. In technical writing, it's crucial to:
- A. Use informal language to connect with the audience.
- B. Emphasize your expertise with complex jargon.
- C. Explain concepts clearly and concisely for diverse readers.
- D. Prioritize creativity and artistic flair in your writing style.
Correct answer: C
Rationale: Technical writing aims to convey information accurately and understandably to various audiences, requiring clear and concise language.
2. 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.
3. Which property of matter explains why ice floats on water?
- A. Viscosity
- B. Density
- C. Buoyancy
- D. Surface tension
Correct answer: c
Rationale: Buoyancy is the upward force exerted by a fluid (like water) on an object immersed in it. Ice floats on water because it is less dense than water, experiencing an upward force (buoyancy) greater than its weight.
4. What happens to the frequency of a wave when its wavelength is doubled, assuming the speed remains constant?
- A. Frequency remains the same.
- B. Frequency is halved.
- C. Frequency is doubled.
- D. Frequency information is insufficient to determine.
Correct answer: C
Rationale: Since the wave speed is constant, if the wavelength increases, the frequency must decrease to maintain the same energy transfer per unit time.
5. Which gland located in the neck is responsible for regulating metabolism, growth, and development?
- A. Parathyroid gland
- B. Thyroid gland
- C. Pituitary gland
- D. Thymus gland
Correct answer: B
Rationale: The correct answer is B: Thyroid gland. The thyroid gland is located in the neck and plays a crucial role in regulating metabolism, growth, and development. It produces hormones such as thyroxine (T4) and triiodothyronine (T3) that control the body's metabolic rate, affecting energy levels and growth. The parathyroid gland (A) regulates calcium levels in the body, the pituitary gland (C) controls several other glands and their hormone production, and the thymus gland (D) is involved in the immune system's development. Therefore, the thyroid gland is the most appropriate choice for the functions described in the question.
6. Which process involves the body's natural defense against inhaled dust and allergens?
- A. Cellular respiration
- B. Gas exchange
- C. Ciliary action
- D. Bronchoconstriction
Correct answer: C
Rationale: The correct answer is C: Ciliary action. Cilia are tiny hair-like structures lining the respiratory tract that help trap and remove inhaled dust and allergens. When these particles are trapped in the mucus produced by the cilia, the cilia beat in a coordinated fashion to move the mucus and its trapped particles out of the respiratory system, preventing them from reaching the lungs. Cellular respiration (A) is the process by which cells generate energy from nutrients, not a defense mechanism. Gas exchange (B) refers to the exchange of oxygen and carbon dioxide in the lungs, not a defense mechanism. Bronchoconstriction (D) is the narrowing of the airways, often in response to triggers like allergens, but it is not the body's natural defense mechanism against inhaled dust and allergens.
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