ATI TEAS 7
English Grammar
1. Identify the noun clause in the sentence: "My biggest fear is that I wouldn't live life to the fullest."
- A. "My biggest fear"
- B. "that I wouldn't live life to the fullest"
- C. "life"
- D. "the fullest"
Correct answer: B
Rationale: Option B functions as the object of the verb "is," making it a noun clause.
2. Which of the following factors would increase the solubility of a gas in a liquid?
- A. Decreasing temperature
- B. Increasing pressure
- C. Decreasing surface area
- D. Increasing particle size
Correct answer: b
Rationale: Henry's law states that the solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid. The other choices would typically decrease solubility.
3. What is the process of separating a mixture based on the different boiling points of its components called?
- A. Filtration
- B. Chromatography
- C. Distillation
- D. Centrifugation
Correct answer: C
Rationale: This technique separates components based on their boiling points, allowing for the collection of fractions with different boiling ranges.
4. Which element is a critical component of DNA and RNA, essential for storing and transmitting genetic information?
- A. Oxygen
- B. Carbon
- C. Nitrogen
- D. Hydrogen
Correct answer: B
Rationale: Carbon's ability to form diverse bonds makes it the backbone of genetic molecules, enabling efficient information storage and transmission
5. Which structure in the heart is responsible for preventing the backflow of blood from the left ventricle into the left atrium?
- A. Aortic valve
- B. Pulmonary valve
- C. Tricuspid valve
- D. Mitral valve
Correct answer: D
Rationale: The correct answer is D, the Mitral valve. The Mitral valve, also known as the bicuspid valve, is located between the left atrium and left ventricle in the heart. It consists of two cusps that close tightly when the left ventricle contracts, preventing the backflow of blood into the left atrium. The aortic valve (option A) is responsible for preventing the backflow of blood from the aorta into the left ventricle, not the left atrium. The pulmonary valve (option B) prevents backflow from the pulmonary artery into the right ventricle, and the tricuspid valve (option C) prevents backflow from the right ventricle into the right atrium. Therefore, the Mitral valve is specifically responsible for preventing backflow from the left ventricle into the left atrium.
6. What is the main idea of the passage?
- A. Petra is a modern city built for tourism.
- B. Petra's historical significance lies in its architectural achievements.
- C. Petra's prosperity was linked to its strategic location on trade routes.
- D. Petra's obscurity remains a mystery despite its rediscovery.
Correct answer: C
Rationale: B mentions Petra's architecture, but not its connection to trade. A and D are factually incorrect and not supported by the passage. Choice C accurately identifies Petra's rise and fall as tied to its position on the Silk Road, making it the main idea.
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