ATI TEAS 7
English Grammar
1. The speaker's enthusiasm was contagious. Which word is the noun form of the adjective "enthusiastic"?
- A. enthusiastic
- B. enthusiastically
- C. enthusiasm
- D. enthuse
Correct answer: C
Rationale: Nouns can be formed from adjectives using various suffixes.
2. What is the difference between the atomic number and the mass number of an atom?
- A. The atomic number is the number of protons in the nucleus, while the mass number is the total number of protons and neutrons in the nucleus.
- B. The atomic number is the number of electrons in an atom, while the mass number is the total number of protons and neutrons in the nucleus.
- C. The atomic number is the number of neutrons in the nucleus, while the mass number is the total number of protons and electrons in an atom.
- D. The atomic number is the number of protons and neutrons in the nucleus, while the mass number is the total number of electrons in an atom.
Correct answer: C
Rationale: The atomic number and the mass number are two fundamental properties of an atom. They provide important information about the identity and structure of an element.
3. Which phrase best describes the tone of the following sentence: "He slammed his fist on the table, his voice booming with anger."
- A. Playful
- B. Formal
- C. Agitated
- D. Melancholy
Correct answer: C
Rationale: The verbs and descriptive language convey strong emotions and agitation.
4. Which type of cell is responsible for carrying oxygen throughout the body?
- A. Nerve cell
- B. Muscle cell
- C. Skin cell
- D. Red blood cell
Correct answer: D
Rationale: The correct answer is D: Red blood cell. Red blood cells, also known as erythrocytes, are responsible for carrying oxygen throughout the body. They contain hemoglobin, a protein that binds to oxygen in the lungs and transports it to tissues and organs. Nerve cells (option A) transmit electrical signals, muscle cells (option B) are involved in movement, and skin cells (option C) form the outer layer of the skin and provide protection.
5. The protective fluid surrounding the brain and spinal cord is called:
- A. Blood
- B. Cerebrospinal fluid
- C. Plasma
- D. Myelin
Correct answer: B
Rationale: The correct answer is B: Cerebrospinal fluid. Cerebrospinal fluid is a clear, colorless liquid that surrounds the brain and spinal cord, providing cushioning and protection against physical impact. It also helps to maintain a stable environment for the central nervous system by regulating pressure and removing waste products. Blood (option A) is not the fluid that directly surrounds the brain and spinal cord. Plasma (option C) is the liquid component of blood and is not specific to the central nervous system. Myelin (option D) is a fatty substance that forms a protective sheath around nerve fibers but is not the fluid surrounding the brain and spinal cord.
6. You design an experiment to test the effectiveness of a new fertilizer. Which of the following factors would be considered a dependent variable?
- A. The type of fertilizer used
- B. The size and age of the plants
- C. The amount of plant growth observed
- D. The cost of the fertilizer per unit
Correct answer: C
Rationale: The dependent variable is the factor that is being measured or observed in an experiment. In this case, the amount of plant growth observed is the variable that is being influenced by the independent variable, which is the type of fertilizer used. The size and age of the plants (option B) could potentially be controlled variables, while the type of fertilizer used (option A) is the independent variable being tested. The cost of the fertilizer per unit (option D) is not directly related to the plant growth being measured in this experiment.
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