ATI TEAS 7
English and Language Usage TEAS
1. What part of speech is the word 'silently' in the sentence 'The masked villain silently laughed while watching the hero struggle to escape'?
- A. Preposition
- B. Adverb
- C. Verb
- D. Adjective
Correct answer: B
Rationale: 'Silently' is an adverb in this sentence as it describes how the villain laughed. Adverbs modify verbs, adjectives, or other adverbs. In this case, 'silently' is modifying the verb 'laughed,' indicating the manner in which the action was performed. Choices A, C, and D are incorrect. 'Silently' is not a preposition (A) as it doesn't show a relationship between nouns or pronouns. It is not a verb (C) because it doesn't express an action or state of being. Additionally, it is not an adjective (D) since it does not describe a noun or pronoun.
2. In ecology, what defines a closed system?
- A. Exchanges energy but not matter
- B. Exchanges both energy and matter
- C. Exchanges neither energy nor matter
- D. Recycles nutrients efficiently
Correct answer: A
Rationale: In ecology, a closed system is one that does not exchange matter with its surroundings but can exchange energy. This means that while energy can enter or leave the system, the amount of matter within the system remains constant. Option A correctly defines a closed system in ecology. Choices B and C are incorrect as a closed system does not exchange matter or energy. Option D is unrelated to the concept of a closed system in ecology.
3. An element with atomic number 26 and mass number 56 is most likely to be:
- A. Iron (Fe)
- B. Cobalt (Co)
- C. Nickel (Ni)
- D. Manganese (Mn)
Correct answer: A
Rationale: The element with atomic number 26 and mass number 56 corresponds to Iron (Fe). Iron has 26 protons, which aligns with the given atomic number, and Fe-56 has 26 neutrons, which aligns with the given mass number. This confirms that Iron (Fe) is the correct answer. Cobalt (Co), Nickel (Ni), and Manganese (Mn) have different atomic numbers and mass numbers, so they are not the correct choices in this scenario.
4. What is the basic structure of an atom?
- A. Protons, neutrons, electrons
- B. Protons, electrons, ions
- C. Neutrons, electrons, ions
- D. Protons, ions, molecules
Correct answer: A
Rationale: The basic structure of an atom consists of protons and neutrons located in the nucleus, with electrons orbiting around the nucleus in specific energy levels or shells. Protons carry a positive charge, neutrons carry no charge, and electrons carry a negative charge. This arrangement maintains the overall neutrality of the atom, with the number of protons equaling the number of electrons. Therefore, the correct answer is 'Protons, neutrons, electrons.' Choices B, C, and D are incorrect as they do not accurately represent the fundamental components of an atom. Choice B includes 'ions,' which are charged particles, not fundamental components of an atom. Choice C includes 'ions' and lacks protons. Choice D includes 'ions' and 'molecules,' which are not part of the basic structure of an atom.
5. During swallowing, what is the role of the epiglottis, a small flap of cartilage located near the base of the tongue?
- A. Initiates the swallowing reflex
- B. Grinds food into smaller pieces
- C. Covers the trachea to prevent food aspiration
- D. Stores saliva for lubrication
Correct answer: C
Rationale: The epiglottis plays a crucial role during swallowing by covering the trachea to prevent food or liquid from entering the airway, which could lead to aspiration. By acting as a lid over the trachea, it ensures that food passes down the esophagus to the stomach, preventing it from entering the lungs. Choice A is incorrect as the swallowing reflex is a coordinated muscular action involving the tongue and throat muscles. Choice B is incorrect as grinding food into smaller pieces is primarily the function of the teeth and the initial stages of digestion. Choice D is incorrect as the storage of saliva for lubrication is not a function of the epiglottis, but rather involves salivary glands.
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