ATI TEAS 7
ATI TEAS English
1. Which of the following sentences contains an incorrect use of capitalization?
- A. For Christmas, we are driving to the South to visit my grandmother in Mississippi.
- B. Last year, we went to East Texas to go camping in Piney Woods.
- C. Next month, we will visit my Aunt Darla, who lives just east of us.
- D. When my sister-in-law Susan has her baby, I will take the train north to see her.
Correct answer: C
Rationale: The correct answer is C. In this sentence, 'East' should not be capitalized because it is not part of a proper noun. Choices A, B, and D use capitalization correctly. In option A, 'South' and 'Mississippi' are capitalized as they are referring to specific regions. In option B, 'East Texas' and 'Piney Woods' are proper nouns and correctly capitalized. In option D, 'Susan' is a proper noun and capitalized appropriately.
2. Which property of a wave is measured in Hertz (Hz)?
- A. Amplitude
- B. Wavelength
- C. Speed
- D. Frequency
Correct answer: D
Rationale: Frequency is the property of a wave that is measured in Hertz (Hz). It represents the number of complete cycles of the wave that occur in one second. Amplitude refers to the height of the wave, wavelength is the distance between two consecutive points on a wave that are in phase, and speed is the rate at which the wave travels through a medium. Therefore, the correct answer is frequency as it directly corresponds to the unit Hertz (Hz) used to measure the number of wave cycles per second.
3. What is 0.4 expressed in inches?
- A. 0.04 inches
- B. 4 inches
- C. 0.4 inches
- D. 40 inches
Correct answer: C
Rationale: To express 0.4 in inches, you don't need to convert it further as it is already in inches. Therefore, the correct answer is 0.4 inches. Choice A (0.04 inches) is incorrect as it represents a smaller quantity. Choice B (4 inches) and Choice D (40 inches) are incorrect as they represent larger quantities, which are not equivalent to 0.4 inches.
4. What is a condition characterized by an overactive thyroid gland and excessive production of thyroid hormones called?
- A. Diabetes mellitus
- B. Hyperthyroidism
- C. Hypothyroidism
- D. Cushing's syndrome
Correct answer: B
Rationale: Hyperthyroidism is a condition where the thyroid gland is overactive and produces an excessive amount of thyroid hormones. This can lead to symptoms such as weight loss, rapid heartbeat, sweating, and nervousness. Diabetes mellitus is a condition characterized by high blood sugar levels due to either insufficient insulin production or the body's inability to respond to insulin. Hypothyroidism is the opposite of hyperthyroidism, where the thyroid gland is underactive and produces insufficient thyroid hormones. Cushing's syndrome is a disorder that occurs when the body has a high level of the hormone cortisol for a long time.
5. What is the role of transfer RNA (tRNA) in protein synthesis?
- A. Transcribes DNA into mRNA
- B. Decodes the genetic code on mRNA
- C. Carries specific amino acids to the ribosomes
- D. Modifies the structure of proteins
Correct answer: C
Rationale: A) Transcribes DNA into mRNA: This is the function of RNA polymerase, not transfer RNA (tRNA). tRNA is involved in protein synthesis, not transcription. B) Decodes the genetic code on mRNA: This is the function of tRNA during translation. tRNA molecules carry specific amino acids and recognize the codons on mRNA, ensuring the correct amino acid is added to the growing polypeptide chain. C) Carries specific amino acids to the ribosomes: This is the primary role of tRNA in protein synthesis. Each tRNA molecule is specific for a particular amino acid and carries it to the ribosome, where it is added to the growing protein chain. D) Modifies the structure of proteins: This is not a function of tRNA. Protein modification can occur after translation is complete and involves other cellular processes and molecules.
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