ATI TEAS 7
TEAS 7 science practice questions
1. What is the structure that surrounds individual muscle fibers, providing support and aiding in the transmission of force generated during muscle contraction?
- A. Tendon
- B. Endomysium
- C. Perimysium
- D. Epimysium
Correct answer: B
Rationale: The endomysium is the connective tissue layer that surrounds individual muscle fibers, providing support and aiding in the transmission of force generated during muscle contraction. It is crucial for maintaining the structural integrity of muscle fibers and facilitating the transmission of force within them. Tendons (option A) connect muscles to bones, perimysium (option C) surrounds bundles of muscle fibers known as fascicles, and epimysium (option D) encases the entire muscle. The endomysium specifically targets the structure that directly supports and aids in force transmission within individual muscle fibers, making it the correct answer in this context.
2. What type of sentence is the following example? Although I wished it were summer, I accepted the change of seasons, and I started to appreciate the fall.
- A. Compound
- B. Simple
- C. Complex
- D. Compound-Complex
Correct answer: C
Rationale: This sentence is a complex sentence because it consists of an independent clause ('I accepted the change of seasons, and I started to appreciate the fall') and a dependent clause ('Although I wished it were summer'). The dependent clause cannot stand alone as a complete sentence and relies on the independent clause to make sense. Choice A (Compound) is incorrect because a compound sentence requires two independent clauses joined by a coordinating conjunction. Choice B (Simple) is incorrect as it does not account for the presence of both independent and dependent clauses. Choice D (Compound-Complex) is incorrect as it would require at least two independent clauses and one or more dependent clauses.
3. Where should a semicolon be placed in the following sentence: 'He loves reading comics, playing video games, and spending time with friends'?
- A. He loves reading comics; playing video games, and spending time with friends.
- B. He loves reading comics, playing video games; and spending time with friends.
- C. He loves reading comics, playing video games, and spending time with friends.
- D. No semicolon needed.
Correct answer: B
Rationale: A semicolon is used to separate items in a list when the items themselves contain commas. In the sentence provided, 'playing video games' and 'spending time with friends' are the items that contain commas. Therefore, the correct placement of the semicolon is before the conjunction 'and,' as shown in option (B). Choice (A) incorrectly places the semicolon after 'comics,' disrupting the parallel structure. Choice (C) does not use a semicolon where needed. Choice (D) is incorrect as a semicolon is required in this context to maintain proper punctuation in the list.
4. Which organelle is responsible for breaking down macromolecules, such as proteins, carbohydrates, and lipids, into their smaller building blocks?
- A. Golgi apparatus
- B. Mitochondria
- C. Lysosomes
- D. Endoplasmic reticulum
Correct answer: C
Rationale: Lysosomes are membrane-bound organelles containing digestive enzymes that break down macromolecules, such as proteins, carbohydrates, and lipids, into their smaller building blocks. These enzymes help in the process of intracellular digestion and recycling of cellular components. The Golgi apparatus is involved in processing and packaging proteins for secretion or for use within the cell. Mitochondria are responsible for producing energy in the form of ATP through cellular respiration. The endoplasmic reticulum is involved in protein synthesis and lipid metabolism. Therefore, the correct answer is 'C: Lysosomes' as they specifically function in the breakdown of macromolecules into smaller components, distinguishing them from the other organelles mentioned.
5. What kind of error is present in the following sentence? 'This summer, I'm planning to travel to Italy, take a Mediterranean cruise, going to Pompeii, and eat a lot of Italian food.'
- A. Parallelism
- B. Sentence fragment
- C. Misplaced modifier
- D. Subject-verb agreement
Correct answer: A
Rationale: The sentence lacks parallel structure. The list of actions in the sentence should be presented in the same grammatical form. 'Travel to Italy,' 'take a Mediterranean cruise,' and 'go to Pompeii' should all be in the same form. To correct this, the sentence should be revised to: 'travel to Italy, take a Mediterranean cruise, visit Pompeii, and eat a lot of Italian food.' Choices B, C, and D are incorrect. The sentence is a complete sentence, not a fragment. There are no misplaced modifiers, and subject-verb agreement is not the issue in this sentence.
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