ATI TEAS 7
Reading
1. The author most likely included information about the Silk Road to...
- A. Introduce a famous tourist destination.
- B. Explain the architectural style of Petra.
- C. Emphasize the historical context of the city.
- D. Compare Petra to other ancient trade centers.
Correct answer: C
Rationale: The Silk Road directly impacts Petra's history and prosperity, making it relevant to the historical context
2. How can you effectively adapt your writing style to different audiences?
- A. Use the same formal tone regardless of the audience.
- B. Consider the audience's age, background, and level of knowledge.
- C. Rely on jargon and technical terms to sound professional.
- D. Focus on your own voice and writing preferences.
Correct answer: B
Rationale: Effective writing adapts to the audience's needs and background by adjusting vocabulary, tone, and level of detail.
3. What is the difference between exhalation (expiration) and inhalation (inspiration)?
- A. Exhalation involves active muscle contraction, while inhalation is passive.
- B. Inhalation brings in oxygen-rich air, while exhalation releases oxygen-depleted air.
- C. Exhalation occurs through the nose only, while inhalation can occur through the nose or mouth.
- D. Inhalation warms and humidifies air, while exhalation cools and dries air.
Correct answer: B
Rationale: Option B is the correct answer because inhalation is the process of breathing in, where the diaphragm and intercostal muscles contract to expand the chest cavity, allowing air to enter the lungs. This air is rich in oxygen, which is essential for cellular respiration. On the other hand, exhalation is the process of breathing out, where the diaphragm and intercostal muscles relax, causing the chest cavity to decrease in size and air to be expelled from the lungs. This air is depleted of oxygen as it has been used up during cellular respiration. Understanding the difference between inhaling oxygen-rich air and exhaling oxygen-depleted air is crucial for comprehending the respiratory system's function and the exchange of gases in the body.
4. What is the main component that gives bones their rigidity and hardness?
- A. Collagen
- B. Calcium phosphate
- C. Cartilage
- D. Ligaments
Correct answer: B
Rationale: The main component that gives bones their rigidity and hardness is calcium phosphate, which is a mineral compound found in bone tissue. While collagen is a protein that provides flexibility and strength to bones, it is the calcium phosphate that primarily contributes to the hardness and rigidity of bones. Cartilage is a connective tissue that cushions joints and helps with movement, while ligaments are fibrous tissues that connect bones to other bones. Therefore, calcium phosphate is the correct answer as it directly relates to the rigid and hard nature of bones.
5. Immunoglobulin G (IgG) is the most abundant antibody type, responsible for:
- A. Immediate allergic reactions
- B. Neutralizing toxins and viruses
- C. Activating other immune cells
- D. Protecting newborns from infections
Correct answer: B
Rationale: The correct answer is B: 'Neutralizing toxins and viruses.' Immunoglobulin G (IgG) is the most abundant antibody type in the blood and tissues. It plays a crucial role in neutralizing toxins and viruses by binding to them and marking them for destruction by other immune cells. IgG is also involved in opsonization, which enhances phagocytosis of pathogens by immune cells. While IgE is primarily responsible for immediate allergic reactions, IgG's main functions are related to immunity against pathogens rather than allergic responses. Activating other immune cells is typically associated with antibodies like IgM, while protecting newborns from infections is mainly attributed to maternal IgG antibodies passed on during pregnancy. Therefore, option B is the most accurate description of IgG's role in the immune system.
6. Which energy conversion occurs in a solar cell?
- A. Electrical energy to light energy
- B. Chemical energy to electrical energy
- C. Solar energy to thermal energy
- D. Solar energy to electrical energy
Correct answer: d
Rationale: Solar cells convert solar energy (sunlight) directly into electrical energy.
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