ATI TEAS 7
English Grammar
1. What is the meaning of the idiom "to bite off more than one can chew"?
- A. To be overly confident
- B. To take on more than one can handle
- C. To be easily discouraged
- D. To be meticulous in planning
Correct answer: B
Rationale: The idiom warns against undertaking a task exceeding one's capabilities.
2. Imaginary unit multiples are used to represent numbers that cannot be obtained on the number line. Which of the following is equivalent to 5i?
- A. -5
- B. i^5
- C. 5√-1
- D. 1/5i
Correct answer: C
Rationale: Rationale: - The imaginary unit, denoted as "i," is defined as the square root of -1. - Therefore, 5i can be expressed as 5 times the square root of -1, which is equivalent to 5√-1. - Option A, -5, is a real number and not an imaginary unit multiple. - Option B, i^5, is equal to i because i raised to any power that is a multiple of 4 results in 1, and i^5 is equivalent to i. - Option D, 1/5i, is the reciprocal of 5i and not equivalent to 5i.
3. The dark, round structures observed within some bacterial cells are most likely:
- A. Ribosomes
- B. Flagella
- C. Endospores
- D. Capsules
Correct answer: C
Rationale: Rationale: - Ribosomes are not dark, round structures within bacterial cells. Ribosomes are small, non-membranous organelles responsible for protein synthesis in all cells. - Flagella are not dark, round structures within bacterial cells. Flagella are long, whip-like appendages that some bacteria use for movement. - Capsules are not dark, round structures within bacterial cells. Capsules are outer layers of polysaccharides that some bacteria produce for protection and adherence. - Endospores are dark, round structures observed within some bacterial cells. Endospores are dormant, highly resistant structures formed by certain bacteria in response to harsh environmental conditions.
4. Which of the following conditions is characterized by a wasting or decrease in muscle mass?
- A. Hypertrophy
- B. Atrophy
- C. Spasticity
- D. Myopathy
Correct answer: B
Rationale: The correct answer is B: 'Atrophy.' Atrophy is a condition characterized by a wasting or decrease in muscle mass. Hypertrophy (choice A) refers to an increase in muscle size, not a decrease. Spasticity (choice C) is increased muscle tone and reflexes, while myopathy (choice D) is a general term for diseases of the muscle tissue. Understanding these definitions is crucial for distinguishing between different muscle conditions.
5. Which of the following is NOT a function of the integumentary system?
- A. Regulation of body temperature
- B. Protection from pathogens
- C. Synthesis of vitamin D
- D. Production of digestive enzymes
Correct answer: D
Rationale: The correct answer is D: "Production of digestive enzymes." The integumentary system primarily consists of the skin, hair, nails, and glands. Its main functions include regulating body temperature through processes like sweating and shivering, protecting the body from pathogens and external threats, and synthesizing vitamin D when exposed to sunlight. However, the production of digestive enzymes is not a function of the integumentary system. Digestive enzymes are primarily produced by organs such as the pancreas and salivary glands to aid in the breakdown of food in the digestive system, which is separate from the functions of the integumentary system.
6. What type of lens is thinner at the center than at the edges and causes light rays to diverge?
- A. Convex lens
- B. Concave lens
- C. Diverging lens
- D. Plano-convex lens
Correct answer: b
Rationale: A concave lens is thinner at the center than at the edges and diverges light rays.
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