ATI TEAS 7
English and Language Usage TEAS
1. Robert needed to find at least four sources for his final project, so he searched several library databases for reliable academic research. Which words function as nouns in the preceding sentence?
- A. Robert, sources, project, databases, research
- B. Robert, sources, final, project, databases, academic, research
- C. Robert, sources, project, he, library, databases, research
- D. Sources, project, databases, research
Correct answer: A
Rationale: In the sentence provided, the words that function as nouns are 'Robert,' 'sources,' 'project,' 'databases,' and 'research.' These words are all objects or concepts that can be referenced or identified in a sentence as nouns. Choice B includes adjectives ('final,' 'academic') which describe other nouns rather than being nouns themselves. Choice C includes a pronoun ('he') which is not a noun. Choice D lacks the noun 'Robert' which is a subject in the sentence.
2. Which hormone, produced by the adrenal glands, prepares the body for a 'fight or flight' response by increasing heart rate, dilating airways, and mobilizing energy stores?
- A. Cortisol
- B. Aldosterone
- C. Epinephrine
- D. Insulin
Correct answer: C
Rationale: Epinephrine, also known as adrenaline, is the hormone produced by the adrenal glands that prepares the body for a 'fight or flight' response. It increases heart rate, dilates airways, and mobilizes energy stores to provide the body with the necessary resources to respond to a perceived threat or stressor. Cortisol, although produced by the adrenal glands, is not responsible for the 'fight or flight' response; it is involved in regulating metabolism, immune response, and stress. Aldosterone, another hormone produced by the adrenal glands, primarily regulates electrolyte and fluid balance. Insulin, produced by the pancreas, is responsible for regulating blood sugar levels and is not directly involved in the 'fight or flight' response.
3. During which phase of the cardiac cycle do the atria contract, pushing blood into the ventricles?
- A. Atrial diastole
- B. Ventricular systole
- C. Atrial systole
- D. Ventricular diastole
Correct answer: C
Rationale: Atrial systole is the phase of the cardiac cycle during which the atria contract, pushing blood into the ventricles. This occurs after the atria have been filled during atrial diastole. Ventricular systole refers to the phase when the ventricles contract to push blood out of the heart, not when the atria contract. Ventricular diastole is the phase when the ventricles relax and fill with blood, not when the atria contract. Therefore, the correct answer is atrial systole as it specifically describes the atrial contraction phase.
4. University X requires some of its nursing students to take an exam before being admitted into the nursing program. In this year's class, half of the nursing students were required to take the exam, and three-fifths of those who took the exam passed. If this year's class has 200 students, how many students passed the exam?
- A. 120
- B. 100
- C. 60
- D. 50
Correct answer: C
Rationale: If the incoming class has 200 students, then half of those students were required to take the exam. (200)(1/2) = 100. So 100 students took the exam, but only three-fifths of that 100 passed the exam. (100)(3/5) = 60. Therefore, 60 students passed the exam. The correct answer is 60. Choice A is incorrect as it miscalculates the number of students who passed the exam. Choice B is incorrect as it does not consider the passing rate of the exam. Choice D is incorrect as it is much lower than the correct answer.
5. Which hormone is produced by the thyroid gland?
- A. Insulin
- B. Thyroxine
- C. Adrenaline
- D. Cortisol
Correct answer: B
Rationale: The correct answer is B: Thyroxine. The thyroid gland produces thyroxine, a hormone essential for regulating metabolism. Insulin is produced by the pancreas to regulate blood sugar levels. Adrenaline is produced by the adrenal glands to prepare the body for the 'fight or flight' response. Cortisol is produced by the adrenal cortex in response to stress, not by the thyroid gland.
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