ATI TEAS 7
Reading
1. Which phrase best describes the tone of the passage?
- A. Humorous and lighthearted
- B. Suspenseful and mysterious
- C. Objective and informative
- D. Critical and judgmental
Correct answer: C
Rationale: The passage presents factual information without injecting personal opinions or emotions. A, B, and D suggest tones not present in the passage's neutral delivery.
2. Which component of the nervous system is responsible for controlling voluntary movements, such as the contraction of skeletal muscles?
- A. Autonomic nervous system
- B. Peripheral nervous system
- C. Somatic nervous system
- D. Sympathetic nervous system
Correct answer: c
Rationale: The correct answer is C, the somatic nervous system. The somatic nervous system is responsible for controlling voluntary movements, such as the contraction of skeletal muscles. This system consists of motor neurons that send signals from the central nervous system to the skeletal muscles, allowing us to consciously control our movements. The autonomic nervous system (A) controls involuntary actions like heart rate and digestion, the peripheral nervous system (B) includes all nerves outside of the brain and spinal cord, and the sympathetic nervous system (D) is a division of the autonomic nervous system responsible for the fight-or-flight response. Therefore, the somatic nervous system is specifically involved in voluntary movements.
3. What is the name of the bone marrow cavity in the long bones where red blood cells are produced?
- A. Periosteum
- B. Diaphysis
- C. Medullary cavity
- D. Epiphysis
Correct answer: B
Rationale: The correct answer is B: Diaphysis. The diaphysis is the shaft of a long bone where the medullary cavity is located. The medullary cavity is the central cavity of the diaphysis where red bone marrow is found and is responsible for producing red blood cells, white blood cells, and platelets. The periosteum is a dense membrane covering the outer surface of bones, not where red blood cells are produced. The epiphysis refers to the ends of long bones, while the medullary cavity is found in the diaphysis. Therefore, the correct choice is the diaphysis where the medullary cavity is located for red blood cell production.
4. What type of reaction is represented by the following equation: Fe2O3 (s) + 3H2 (g) -> 2Fe (s) + 3H2O (g)
- A. Combustion
- B. Decomposition
- C. Single displacement
- D. Redox reaction
Correct answer: D
Rationale: The given equation involves a transfer of electrons from iron oxide (Fe2O3) to hydrogen gas (H2), resulting in the formation of iron (Fe) and water (H2O). This transfer of electrons indicates a redox reaction, where oxidation and reduction occur simultaneously. In this case, iron is reduced from a higher oxidation state in Fe2O3 to a lower oxidation state in Fe, while hydrogen is oxidized from its elemental state in H2 to form water. Therefore, the correct answer is D: Redox reaction.
5. Which word best synonyms with the word "elated"?
- A. Angry
- B. Sad
- C. Excited
- D. Confused
Correct answer: C
Rationale: "Elated" and "excited" both convey feelings of happiness and enthusiasm.
6. What is the common name for the organic compound CH₃OH?
- A. Methane
- B. Ethanol
- C. Methanol
- D. Butanol
Correct answer: C
Rationale: CH₃OH is commonly known as methanol. The other choices represent different organic compounds.
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