ATI TEAS 7
ATI TEAS English
1. Which of the following sentences follows the rules of capitalization?
- A. Dashiell visited his cousin Elaine on Tuesday.
- B. Juniper sent a card to Uncle Archibald, who has been unwell.
- C. Flicka and her mother spent the day setting up the rummage sale.
- D. Lowell and his twin sister look alike but have very different personalities.
Correct answer: B
Rationale: The correct answer is B. Titles used before names, like 'Uncle' in 'Uncle Archibald,' should be capitalized. In choices A, C, and D, 'cousin,' 'mother,' and 'sister' are common nouns and should not be capitalized unless used before the name as part of the title. Therefore, they are incorrect choices. Choice B demonstrates proper capitalization rules by capitalizing 'Uncle Archibald,' making it the correct option.
2. What is hydroxyapatite?
- A. A mixture of minerals such as calcium and phosphorus that strengthen the collagen matrix of bone.
- B. The structural unit of a bone that runs the length of the bone.
- C. The covering of bones at the point of articulation to prevent grinding.
- D. The lightest portion of a long bone and concentrated at the ends.
Correct answer: A
Rationale: Hydroxyapatite is a mineral compound composed of calcium and phosphorus that plays a crucial role in strengthening the collagen matrix of bones, contributing to their structural integrity and hardness. It is a key component of bone tissue and provides the mineralization necessary for bone strength and density. Choice B is incorrect because the structural unit of a bone is the osteon or Haversian system, not hydroxyapatite. Choice C is incorrect as it describes cartilage, not hydroxyapatite. Choice D is incorrect as it refers to the epiphysis, which is not synonymous with hydroxyapatite.
3. What is cystitis an inflammation of?
- A. Kidneys
- B. Bladder
- C. Ureters
- D. Urethra
Correct answer: B
Rationale: Cystitis is an inflammation of the bladder. It is typically caused by a bacterial infection and can lead to symptoms such as frequent urination, pain or burning during urination, and lower abdominal discomfort. The inflammation specifically affects the bladder lining. Choices A, C, and D are incorrect. Kidneys are not the site of inflammation in cystitis; they are associated with conditions like pyelonephritis. Ureters are tubes that connect the kidneys to the bladder, and the urethra is the tube that carries urine from the bladder to outside the body. Therefore, the correct answer is 'Bladder.'
4. Which of the following is an example of a chemical property of matter?
- A. Boiling point
- B. Flammability
- C. Density
- D. Conductivity
Correct answer: B
Rationale: Flammability is an example of a chemical property of matter because it describes how a substance reacts with oxygen in the air to produce heat and light. Chemical properties involve the ability of a substance to undergo a chemical change or reaction, such as burning. Boiling point, density, and conductivity are examples of physical properties, not chemical properties. Boiling point is the temperature at which a substance changes from a liquid to a gas, density is the mass of a substance per unit volume, and conductivity is the ability to conduct electricity. Therefore, flammability best exemplifies a chemical property as it pertains to the substance's reaction with oxygen, while the other options are physical properties that describe characteristics without changing the substance's chemical composition.
5. Where is keratin found?
- A. It is a protein-digesting enzyme released by the stomach.
- B. It is released in the neuromuscular junction.
- C. It is a protein found in the hypodermis.
- D. It is a protein found in hair.
Correct answer: D
Rationale: Keratin is a structural protein found in hair, skin, and nails, providing strength and protection. It forms the main structural component of hair, making choice D the correct answer. Choices A, B, and C are incorrect because keratin is not an enzyme released by the stomach, not released in the neuromuscular junction, and not found in the hypodermis. Remember that keratin is primarily associated with structural support in epithelial cells.
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