ATI TEAS 7
TEAS 7 science study guide free
1. Which type of nutrient requires the most complex and lengthy digestion process?
- A. Carbohydrates
- B. Proteins
- C. Fats
- D. Vitamins
Correct answer: B
Rationale: Proteins require the most complex and lengthy digestion process compared to the other nutrient types provided. When proteins are consumed, they undergo a process where they need to be broken down into amino acids, which are essential building blocks of proteins. This intricate digestion process begins in the stomach aided by stomach acid and enzymes, proceeds to the small intestine where further enzymes break down proteins into amino acids, and concludes with the absorption of these amino acids into the bloodstream for various bodily functions. Carbohydrates and fats also require digestion, but the process for breaking down proteins into amino acids is notably more intricate and time-consuming. In contrast, vitamins do not require digestion in the same manner as proteins, carbohydrates, and fats because they are already in a form that can be readily absorbed by the body.
2. Which of the following represents the correct plural form of the word 'syllabus'?
- A. Syllabus
- B. Syllaba
- C. Syllabi
- D. Syllabis
Correct answer: C
Rationale: The correct plural form of 'syllabus' is 'syllabi.' In English, when a word ends in -us, the plural form is often changed to -i. Therefore, 'Syllabi' is the correct plural form. Choice A, 'Syllabus,' is the singular form, not the plural. Choice B, 'Syllaba,' does not follow the standard pluralization rule for words ending in -us. Choice D, 'Syllabis,' is an incorrect plural form that does not follow the standard English pluralization rules.
3. Simplify the expression: 2x + 3x - 5.
- A. 5x - 5
- B. 5x
- C. x - 5
- D. 2x - 5
Correct answer: A
Rationale: To simplify the expression 2ð‘¥ + 3ð‘¥ - 5, follow these steps: Identify and combine like terms. The terms 2ð‘¥ and 3ð‘¥ are both 'like terms' because they both contain the variable ð‘¥. Add the coefficients of the like terms: 2ð‘¥ + 3ð‘¥ = 5ð‘¥. Simplify the expression. After combining the like terms, the expression becomes 5ð‘¥ - 5, which includes the simplified term 5ð‘¥ and the constant -5. Thus, the fully simplified expression is 5ð‘¥ - 5, making Option A the correct answer. This method ensures all terms are correctly simplified by combining similar elements and retaining constants.
4. Which of the following conclusions is best supported by the passage?
- A. Julia will find a job closer to her home.
- B. Julia will lose her job.
- C. Julia will feel guilty and return to work.
- D. Julia will drive home and go to sleep.
Correct answer: D
Rationale: Based on the passage provided, there is no indication that Julia will find a job closer to her home, lose her job, or feel guilty and return to work. The passage simply states that Julia is tired and ready to go home, indicating that she will likely drive home and go to sleep. Throughout the passage, Julia faces a series of frustrating events that culminate in her decision to leave work and head home. There is no mention of job hunting, job loss, or feelings of guilt, making these options unsupported by the text.
5. Which of these examples shows incorrect use of subject-verb agreement?
- A. Neither of the cars is parked on the street.
- B. Both of my kids are going to camp this summer.
- C. Any of your friends are welcome to join us on the trip in November.
- D. Each of the clothing options is appropriate for the job interview.
Correct answer: A
Rationale: The sentence 'Neither of the cars is parked on the street' is incorrect in terms of subject-verb agreement. The subject 'Neither' is singular, so the verb should also be singular, which should be 'is' instead of 'are.' The correct sentence should be 'Neither of the cars is parked on the street.' Choices B, C, and D demonstrate correct subject-verb agreement. In choice B, 'Both' is plural and agrees with the plural verb 'are.' In choice C, 'Any' is singular and agrees with the singular verb 'are.' In choice D, 'Each' is singular and agrees with the singular verb 'is.'
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