ATI TEAS 7
English Grammar
1. Identify the type of clause in the sentence "When the clock struck midnight, the magic began."
- A. Main clause
- B. Subordinate clause
- C. Appositive clause
- D. Noun clause
Correct answer: B
Rationale: The "when" clause introduces additional information about the main sentence and acts as a subordinate clause.
2. The process of a gas changing directly into a solid is called:
- A. Condensation
- B. Deposition
- C. Sublimation
- D. Evaporation
Correct answer: B
Rationale: This process, also known as sublimation, involves gas particles losing energy and transitioning directly into the solid state.
3. What is molarity a measure of in a solution?
- A. Volume of the solvent
- B. Amount of solute
- C. Concentration of solute
- D. Temperature of the solution
Correct answer: c
Rationale: Molarity (M) is a measure of the concentration of solute in a solution, expressed as moles of solute per liter of solution. The other choices do not accurately define molarity.
4. How many moles of water are produced when 0.5 moles of methane (CH4) react with excess oxygen?
- A. 0.5 moles
- B. 1 mole
- C. 2 moles
- D. 3 moles
Correct answer: c
Rationale: The balanced equation is CH4 + 2O2 → CO2 + 2H2O, indicating a 1:2 ratio between CH4 and H2O.
5. Which organ plays a significant role in immune cell production and maturation?
- A. Liver
- B. Kidneys
- C. Bone marrow
- D. Spleen
Correct answer: C
Rationale: The correct answer is C: Bone marrow. The bone marrow is the primary site for the production and maturation of immune cells, including white blood cells, which are crucial for the body's immune response. Stem cells in the bone marrow differentiate into various types of immune cells, such as T cells, B cells, and natural killer cells, which play essential roles in fighting infections and diseases. While the liver and kidneys have other important functions in the body, such as filtering toxins and metabolizing substances, they are not directly involved in immune cell production and maturation. The spleen acts as a reservoir for blood and is involved in filtering blood and storing red blood cells but is not the primary site for immune cell production.
6. Bile, stored in the gallbladder, aids in the digestion of:
- A. Carbohydrates
- B. Proteins
- C. Fats
- D. Vitamins
Correct answer: C
Rationale: The correct answer is C: "Fats." Bile, produced by the liver and stored in the gallbladder, plays a crucial role in the digestion and absorption of fats. When you consume fatty foods, bile is released into the small intestine to help break down the fats into smaller droplets, making it easier for enzymes to digest them. This process allows the body to absorb essential fatty acids and fat-soluble vitamins. Carbohydrates are mainly digested by enzymes like amylase in the mouth and small intestine, while proteins are broken down by enzymes like pepsin and trypsin. Vitamins are not directly digested by bile but are absorbed along with fats in the small intestine. Therefore, the correct answer is C, as bile aids in the digestion of fats.
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