ATI TEAS 7
Anatomy
1. The three main types of muscle tissue in the human body are:
- A. Smooth, cardiac, and voluntary skeletal
- B. Smooth, skeletal, and involuntary cardiac
- C. Voluntary smooth, cardiac, and skeletal
- D. Striated, non-striated, and epithelial
Correct answer: A
Rationale: The correct answer is A: Smooth, cardiac, and voluntary skeletal. Smooth muscle is found in the walls of internal organs and blood vessels, cardiac muscle makes up the heart, and voluntary skeletal muscle is attached to the bones and responsible for movement. Choice B is incorrect because cardiac muscle is involuntary, not voluntary. Choice C is incorrect because smooth muscle and cardiac muscle are involuntary, not voluntary. Choice D is incorrect because 'striated' and 'non-striated' refer to the appearance of muscle fibers, not the main types of muscle tissue in the body.
2. Which structure contains the genetic material (DNA) of the cell?
- A. Cytoplasm
- B. Nucleus
- C. Cell wall (only present in plant cells)
- D. Golgi apparatus
Correct answer: B
Rationale: The correct answer is B: Nucleus. The nucleus is the organelle that contains the genetic material (DNA) of the cell. It acts as the control center of the cell, regulating gene expression and coordinating cellular activities. The cytoplasm, option A, is the jelly-like substance that fills the cell and surrounds the organelles, but it does not contain the genetic material. The cell wall, option C, is a rigid structure found in plant cells that provides support and protection, but it does not house the DNA. The Golgi apparatus, option D, is responsible for modifying, sorting, and packaging proteins for secretion, but it does not store the genetic material of the cell. Therefore, the nucleus is the structure that contains the genetic material in a cell.
3. Which of the following is the main function of the small intestine?
- A. To store food and break it down into smaller pieces
- B. To absorb nutrients into the bloodstream
- C. To produce enzymes that help digest food
- D. To eliminate waste products from the body
Correct answer: B
Rationale: Rationale: The small intestine is a crucial part of the digestive system where the majority of nutrient absorption takes place. It is lined with tiny finger-like projections called villi that increase the surface area for absorption. The small intestine absorbs nutrients such as carbohydrates, proteins, fats, vitamins, and minerals from the digested food into the bloodstream to be transported to cells throughout the body for energy, growth, and repair. Options A, C, and D do not accurately describe the main function of the small intestine.
4. How does friction affect motion?
- A. Friction increases speed
- B. Friction decreases speed
- C. Friction has no impact on speed
- D. Friction causes objects to float
Correct answer: b
Rationale: Friction opposes motion, leading to a decrease in speed or hindering movement.
5. The phrase "think outside the box" encourages readers to:
- A. Follow established procedures.
- B. Be creative and find new solutions.
- C. Accept traditional ideas.
- D. Avoid making mistakes.
Correct answer: B
Rationale: The phrase emphasizes unconventional thinking and exploring new approaches.
6. What type of error occurs in the sentence "Everyone knew who the culprit was, except for me"?
- A. Subject-verb agreement
- B. Misplaced modifier
- C. Dangling participle
- D. Pronoun-antecedent agreement
Correct answer: B
Rationale: The phrase "except for me" modifies "everyone," but it is misplaced after the verb "knew," causing confusion.
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