ATI TEAS 7
Mathematics
1. A lampshade consists of a cylindrical base (diameter 20cm, height 10cm) and a hemispherical top (same diameter as the base). What is its total surface area?
- A. 785 sq cm
- B. 1130 sq cm
- C. 1570 sq cm
- D. 2055 sq cm
Correct answer: D
Rationale: Calculate the surface area of the cylinder (base + lateral surface) and the hemisphere (half of a sphere's surface area). Add both areas to find the total surface area.
2. Which of the following sentences uses the most formal language?
- A. The movie was awesome!
- B. The film did not meet my expectations.
- C. I found the cinematic experience to be unsatisfactory.
- D. The flick was pretty bad.
Correct answer: C
Rationale: The sentence uses more complex vocabulary ("cinematic experience") and avoids slang ("awesome," "flick").
3. What is the scientific name for the common housefly?
- A. Musca domestica
- B. Drosophila melanogaster
- C. Apis mellifera
- D. Anopheles gambiae
Correct answer: A
Rationale: Rationale: - Musca domestica is the scientific name for the common housefly. This species is known for being a common pest found in and around human habitations. - Drosophila melanogaster (option B) is a species of fruit fly commonly used in genetic research. - Apis mellifera (option C) is the scientific name for the western honeybee. - Anopheles gambiae (option D) is a species of mosquito known for being a vector of malaria.
4. Which of these is NOT a function of the large intestine?
- A. Absorbing water and electrolytes
- B. Producing vitamins
- C. Breaking down fiber
- D. Eliminating waste products
Correct answer: B
Rationale: Rationale: A) Absorbing water and electrolytes: The large intestine plays a crucial role in absorbing water and electrolytes from the indigestible food matter that passes through it. This helps in maintaining the body's fluid balance and preventing dehydration. B) Producing vitamins: While the large intestine contains bacteria that can produce some vitamins like vitamin K and certain B vitamins, the primary site for vitamin production is the small intestine and other organs like the liver. C) Breaking down fiber: The large intestine is responsible for breaking down fiber that was not digested in the small intestine. The bacteria in the large intestine ferment fiber, producing short-chain fatty acids that can be used as an energy source by the body. D) Eliminating waste products: One of the main functions of the large intestine is to eliminate waste products, including indigestible food matter, dead cells, and bacteria, from the body in the form of feces.
5. Which element is used in insulin and promotes glucose uptake into cells for energy production?
- A. Zinc
- B. Chromium
- C. Manganese
- D. Iron
Correct answer: B
Rationale: Chromium aids in insulin's function, enhancing glucose uptake by cells and regulating blood sugar levels.
6. What happens during a physical change in matter?
- A. A new substance with different properties is formed
- B. The chemical composition of the substance changes
- C. The original substance can be recovered by physical means
- D. Energy is either released or absorbed
Correct answer: C
Rationale: During a physical change in matter, the original substance undergoes a change in its physical state or appearance without any change in its chemical composition. This means that the original substance can be recovered by physical means, such as melting, freezing, boiling, or condensing. No new substance is formed (option A), the chemical composition remains the same (option B), and energy changes can occur but are not a defining characteristic of a physical change (option D).
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