ATI TEAS 7
Biology
1. Which of the following is the main function of the lungs?
- A. To transport oxygen and nutrients throughout the body
- B. To coordinate movement and sensory information
- C. To filter waste products from the blood
- D. To exchange oxygen and carbon dioxide between the body and the environment
Correct answer: D
Rationale: Rationale: A) To transport oxygen and nutrients throughout the body - While the lungs do play a role in transporting oxygen, their primary function is to exchange oxygen and carbon dioxide between the body and the environment. The transportation of oxygen and nutrients throughout the body is primarily carried out by the circulatory system, specifically the blood vessels. B) To coordinate movement and sensory information - This function is primarily carried out by the nervous system, specifically the brain and spinal cord. C) To filter waste products from the blood - The kidneys are responsible for filtering waste products from the blood, not the lungs. The lungs primarily function in gas exchange.
2. What is the correct way to punctuate the following sentence: "She asked me if I wanted to go to the movies with her"?
- A. She asked me, if I wanted to go to the movies with her.
- B. She asked me: if I wanted to go to the movies with her?
- C. She asked me, if I wanted, to go to the movies with her.
- D. She asked me if I wanted to go to the movies with her.
Correct answer: D
Rationale: Option D uses a question mark within the quoted material as it is a direct question.
3. A study finds a correlation between increased ice cream consumption and lower crime rates. What is the MOST likely explanation for this observation?
- A. Ice cream directly reduces criminal behavior.
- B. People who commit crimes eat less ice cream.
- C. A third factor, like hot weather, influences both.
- D. The study design is flawed and the connection is false.
Correct answer: C
Rationale: The most likely explanation for the correlation between increased ice cream consumption and lower crime rates is a third factor influencing both variables. In this case, hot weather could be the common factor as both ice cream consumption and crime rates tend to increase during warmer months. This scenario illustrates the importance of considering confounding variables when interpreting correlations.
4. Which term refers to the measure of the mass of a substance per unit volume and is commonly expressed in kilograms per cubic meter?
- A. Mass
- B. Weight
- C. Density
- D. Volume
Correct answer: c
Rationale: Density is the measure of the mass of a substance per unit volume and is commonly expressed in kilograms per cubic meter (kg/m³).
5. 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.
6. What is the involuntary muscle tissue found in the walls of blood vessels and organs like the stomach and intestines?
- A. Skeletal muscle
- B. Cardiac muscle
- C. Smooth muscle
- D. Striated muscle
Correct answer: C
Rationale: The correct answer is C: Smooth muscle. Smooth muscle is the involuntary muscle tissue that is found in the walls of blood vessels and organs like the stomach and intestines. Unlike skeletal muscle, which is voluntary and under conscious control, smooth muscle functions involuntarily, allowing organs to contract and relax without conscious effort. Cardiac muscle, while also involuntary, is specifically found in the heart. Striated muscle refers to both skeletal and cardiac muscle, which exhibit a striped appearance under a microscope due to the arrangement of their filaments. Therefore, smooth muscle is the most appropriate answer for this question.
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