ATI TEAS 7
English Grammar
1. Identify the relative clause in the sentence "The book that won the award was a bestseller."
- A. "The book"
- B. "that won the award"
- C. "was a bestseller"
- D. "award"
Correct answer: B
Rationale: The relative clause "that won the award" provides additional information about the specific book.
2. Half-life refers to the characteristic time it takes for:
- A. Radioactive intensity to completely disappear
- B. The number of neutrons in a nucleus to double
- C. The number of protons in a nucleus to change
- D. An isotope to decay by half of its initial quantity
Correct answer: D
Rationale: The correct answer is D: An isotope to decay by half of its initial quantity. The half-life of a substance is the time it takes for half of the initial quantity of radioactive atoms to decay. This is a characteristic property of each radioactive isotope and is used to determine the rate of decay of a substance. Option A is incorrect because radioactive intensity does not completely disappear in half-life, it only decreases by half. Options B and C are unrelated to the concept of half-life and do not accurately describe its definition.
3. Which of the following terms refers to the abnormal sound heard during a stethoscope examination, potentially indicating a heart valve issue?
- A. Tachycardia
- B. Bradycardia
- C. Heart murmur
- D. Arrhythmia
Correct answer: D
Rationale: The correct answer is D: Arrhythmia. An arrhythmia refers to an irregular heart rhythm, which can manifest as abnormal sounds heard during a stethoscope examination. Tachycardia (A) and bradycardia (B) both pertain to heart rate abnormalities, with tachycardia indicating a fast heart rate and bradycardia a slow heart rate. However, these terms do not specifically relate to abnormal sounds. Heart murmur (C) is the term that refers to the abnormal sound heard during a stethoscope examination, potentially indicating a heart valve issue. Therefore, the correct answer is D as it best fits the description provided in the question.
4. Which of the following is an example of a nosocomial infection?
- A. The common cold contracted from a family member
- B. A urinary tract infection (UTI) acquired during a catheterization
- C. A fungal skin infection from contaminated soil
- D. Food poisoning from undercooked chicken
Correct answer: B
Rationale: Rationale: A nosocomial infection, also known as a healthcare-associated infection (HAI), is an infection that is acquired in a healthcare setting. In this case, a UTI acquired during a catheterization procedure is a classic example of a nosocomial infection. Catheterization involves the insertion of a tube into the urinary tract, which can introduce bacteria into the urinary system and lead to an infection. Nosocomial infections are a significant concern in healthcare settings due to the potential for increased morbidity, mortality, and healthcare costs. Let's review the other options: A) The common cold contracted from a family member - This is not a nosocomial infection as it is acquired outside of a healthcare setting. C) A fungal skin infection from contaminated soil - This is not a nosocomial infection as it is acquired from environmental exposure, not in a healthcare setting.
5. What is the relationship between the speed of a wave, its frequency, and wavelength in a given medium?
- A. Speed = Frequency × Wavelength
- B. Speed = Frequency ÷ Wavelength
- C. Speed = Frequency + Wavelength
- D. Speed = Frequency - Wavelength
Correct answer: a
Rationale: In a given medium, the speed of a wave equals the product of its frequency and wavelength.
6. Which of the following is a redox reaction?
- A. 2H2 + O2 → 2H2O
- B. Zn + 2HCl → ZnCl2 + H2
- C. 2NaCl → 2Na + Cl2
- D. CH4 + 2O2 → CO2 + 2H2O
Correct answer: b
Rationale: The oxidation state of Zn changes from 0 to +2, indicating a redox reaction.
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