ATI TEAS 7
English Grammar
1. Identify the interjection in the following sentence: Ouch! I stubbed my toe on the table leg.
- A. table
- B. leg
- C. ouch
- D. stubbed
Correct answer: C
Rationale: Interjections express emotions or sudden feelings. "Ouch" conveys a feeling of pain.
2. A car is traveling at a constant speed on a straight road. What is the net force acting on the car?
- A. A force equal to its weight pushing upwards
- B. A force equal to its weight pushing downwards
- C. A force equal to its engine power pushing forward
- D. No net force
Correct answer: D
Rationale: Since the car's speed is constant, there is no acceleration, and according to Newton's first law, a net force of zero is required.
3. What is the name for the change in enthalpy (heat) associated with a chemical reaction at constant pressure?
- A. Entropy
- B. Enthalpy
- C. Gibbs free energy
- D. Heat of reaction
Correct answer: D
Rationale: The correct answer is D, Heat of reaction. The heat of reaction, also known as the enthalpy change, is the amount of heat absorbed or released during a chemical reaction at constant pressure. Entropy (A) is a measure of the disorder or randomness of a system. Enthalpy (B) is the total heat content of a system. Gibbs free energy (C) is a measure of the energy available to do work in a system at constant temperature and pressure.
4. What is the net ionic equation for the reaction: 2HCl(aq) + Ba(OH)2(aq) → 2H2O(l) + BaCl2(aq)?
- A. 2H+(aq) + 2OH-(aq) → 2H2O(l)
- B. 2HCl(aq) + Ba(OH)2(aq) → BaCl2(aq) + 2H2O(l)
- C. 2H+(aq) + Ba2+(aq) → Ba2+(aq) + 2H+(aq)
- D. Ba(OH)2(aq) + HCl(aq) → BaCl2(aq) + 2H2O(l)
Correct answer: a
Rationale: The net ionic equation includes only the species that undergo a change during the reaction.
5. The large intestine absorbs water and electrolytes from digested food material. What waste product remains after water absorption and is eventually eliminated from the body?
- A. Chyme
- B. Bolus
- C. Glucose
- D. Feces
Correct answer: D
Rationale: The large intestine is responsible for absorbing water and electrolytes from digested food material. As the waste material moves through the large intestine, most of the water is absorbed, leaving behind waste products known as feces. Feces consist of indigestible material, bacteria, and some remaining waste products. This waste is eventually eliminated from the body through the process of defecation. Chyme refers to the semi-fluid mass of partially digested food that moves from the stomach to the small intestine. Bolus is a term used to describe a mass of chewed food ready to be swallowed. Glucose is a simple sugar that is absorbed in the small intestine and used as an energy source. Therefore, the correct answer is D: Feces.
6. In the cardiovascular system, what is the primary function of red blood cells?
- A. To transport oxygen throughout the body.
- B. To fight infection and disease.
- C. To help regulate blood clotting.
- D. To remove waste products from the body.
Correct answer: A
Rationale: The correct answer is A: 'To transport oxygen throughout the body.' Red blood cells contain hemoglobin, a protein that binds to oxygen in the lungs and carries it to tissues throughout the body. This process is essential for cellular respiration, where oxygen is used to produce energy. Red blood cells do not fight infection (B), regulate blood clotting (C), or remove waste products (D); those functions are carried out by other components of the immune and circulatory systems.
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