ATI TEAS 7
English Grammar
1. Which sentence uses the colon correctly?
- A. I brought snacks: chips, salsa, and guacamole.
- B. The winner is: Sarah!
- C. He loves all things chocolate: cake, ice cream, and candy bars.
- D. Please bring the following items: pen, paper, and stapler.
Correct answer: A
Rationale: Colons are used to introduce a list or explanation that follows an independent clause. Options (a) and (c) use the colon correctly.
2. The protective fluid surrounding the brain and spinal cord is called:
- A. Blood
- B. Cerebrospinal fluid
- C. Plasma
- D. Myelin
Correct answer: B
Rationale: The correct answer is B: Cerebrospinal fluid. Cerebrospinal fluid is a clear, colorless liquid that surrounds the brain and spinal cord, providing cushioning and protection against physical impact. It also helps to maintain a stable environment for the central nervous system by regulating pressure and removing waste products. Blood (option A) is not the fluid that directly surrounds the brain and spinal cord. Plasma (option C) is the liquid component of blood and is not specific to the central nervous system. Myelin (option D) is a fatty substance that forms a protective sheath around nerve fibers but is not the fluid surrounding the brain and spinal cord.
3. The term that refers to the specific role and position an organism occupies within an ecosystem is called a:
- A. Habitat
- B. Niche
- C. Population
- D. Biome
Correct answer: B
Rationale: Rationale: A) Habitat refers to the specific physical environment where an organism lives, including the biotic and abiotic factors present. While the habitat is important for an organism's survival, it does not encompass the specific role and interactions of the organism within the ecosystem. B) Niche refers to the specific role and position an organism occupies within an ecosystem, including its interactions with other organisms and its physical environment. This includes the organism's feeding habits, behavior, preferred habitat, and how it obtains resources. The niche of an organism is crucial in determining its impact on the ecosystem and its relationships with other species. C) Population refers to a group of individuals of the same species living in a specific area and interacting with each other. While populations play a role in ecosystems, they do not specifically describe the role and position of an individual organism within the ecosystem. D) Biome refers to a large geog
4. Identify the determiner in the following sentence: A few birds chirped happily in the branches of the tall tree.
- A. happily
- B. ranches
- C. few
- D. tree
Correct answer: C
Rationale: Determiners specify the quantity or identity of a noun. "Few" indicates the number of birds.
5. What happens to the speed of a sound wave when it travels from air to water?
- A. It increases because water is denser.
- B. It decreases because water is denser.
- C. It remains the same.
- D. Speed depends on the frequency, not the medium.
Correct answer: A
Rationale: Sound waves travel faster in denser mediums like water compared to air due to stronger interactions between particles.
6. The primary site for nutrient absorption from digested food in the human digestive system is the:
- A. Esophagus
- B. Large intestine
- C. Small intestine
- D. Stomach
Correct answer: C
Rationale: The correct answer is C: Small intestine. The small intestine is the primary site for nutrient absorption in the human digestive system. It is in the small intestine where the majority of nutrients, such as carbohydrates, proteins, and fats, are broken down further and absorbed into the bloodstream to be utilized by the body. The large surface area of the small intestine, lined with villi and microvilli, facilitates efficient absorption of nutrients. The esophagus is responsible for transporting food from the mouth to the stomach, the stomach aids in digestion, and the large intestine primarily absorbs water and electrolytes, not nutrients.
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