ATI TEAS 7
Anatomy
1. Classifications of human tissues exclude:
- A. Epithelial tissue
- B. Nervous tissue
- C. Adipose tissue (a specialized form of connective tissue)
- D. Bony tissue
Correct answer: D
Rationale: The correct answer is D: 'Bony tissue.' Classifications of human tissues typically include four main types: epithelial, connective, muscular, and nervous tissue. Bony tissue, also known as osseous tissue, is a specialized form of connective tissue that forms bones in the skeletal system. While bony tissue is an essential component of the human body, it is not typically categorized separately as a distinct tissue type in general tissue classifications. Therefore, it is the exception from the list provided in the question, making it the correct answer.
2. Which of the following reagents can be used to convert a primary alcohol to an alkyl halide?
- A. HI
- B. H2O
- C. NaOH
- D. SOCl2
Correct answer: D
Rationale: The correct answer is D: SOCl2. SOCl2, also known as thionyl chloride, is commonly used to convert primary alcohols to alkyl halides through an SN2 mechanism. Thionyl chloride reacts with the alcohol to form an alkyl chloride, replacing the hydroxyl group. Option A, HI (hydroiodic acid), is typically used to convert alcohols to alkyl iodides, while option B, H2O (water), and option C, NaOH (sodium hydroxide), are not reagents suitable for this specific transformation. Therefore, SOCl2 is the most appropriate reagent for converting a primary alcohol to an alkyl halide.
3. "Ironic" and "serious" are:
- A. synonyms (have the same meaning)
- B. antonyms (have opposite meanings)
- C. homonyms (sound the same but have different meanings)
- D. none of the above
Correct answer: B
Rationale: "Ironic" means the opposite of "serious."
4. The process by which two or more species reciprocally influence each other's evolution through selection pressures exerted on one another is called:
- A. Convergent evolution
- B. Divergent evolution
- C. Coevolution
- D. Coevolution
Correct answer: C
Rationale: Rationale: A) Convergent evolution refers to the process by which unrelated species evolve similar traits due to similar environmental pressures. This does not involve reciprocal influence between species. B) Divergent evolution refers to the process by which two or more related species become more dissimilar over time due to different selection pressures. This also does not involve reciprocal influence between species. C) Coevolution is the process by which two or more species reciprocally influence each other's evolution through selection pressures exerted on one another. This can lead to a close ecological relationship between the species, such as in predator-prey interactions or mutualistic relationships. D) This option is a duplicate of option C.
5. Which digestive enzyme is primarily responsible for breaking down proteins?
- A. Pepsin
- B. Lipase
- C. Amylase
- D. Maltase
Correct answer: A
Rationale: The correct answer is A: Pepsin. Pepsin is primarily responsible for breaking down proteins in the stomach. It is an enzyme produced by the gastric chief cells in the stomach lining and works in a highly acidic environment to break down proteins into smaller peptide fragments. Lipase, on the other hand, is responsible for breaking down fats, amylase for breaking down carbohydrates, and maltase for breaking down maltose (a type of sugar). Therefore, pepsin is the correct enzyme involved in the digestion of proteins.
6. Identify the noun in the following sentence: The aroma of freshly baked bread filled the kitchen.
- A. filled
- B. kitchen
- C. aroma
- D. freshly
Correct answer: C
Rationale: Nouns name people, places, things, or ideas. "Aroma" names a specific type of smell.
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