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Select the meaning of the quoted word in the sentence. The patients are under 'quarantine'.
- A. Confinement away from the general population
- B. A specialist's care
- C. Experimental drug therapy
- D. Imprisonment in a rehabilitation unit
Correct Answer: A
Rationale: Quarantine refers to isolating individuals who have been exposed to a contagious disease to prevent its spread to others. It involves keeping individuals away from the general population. Therefore, the correct meaning of 'quarantine' in the context of the sentence is 'Confinement away from the general population.' Options B, C, and D do not accurately reflect the definition of quarantine. It is crucial to understand the terminology used in healthcare settings to ensure proper communication and patient care.
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Select the meaning that best fits the following word: injurious.
- A. Toxic
- B. Palatable
- C. Amenable
- D. Harmless
Correct Answer: A
Rationale: The correct answer is A, 'Toxic.' 'Injurious' means causing harm or damage, similar to toxic substances that can be harmful. 'Palatable' means pleasant to taste, 'Amenable' means cooperative or willing to agree, and 'Harmless' means not causing harm.
Select the meaning of the highlighted word in this sentence: Despite the absence of *overt* signs, Dr. Harris suspected that Alicia might be suffering from the flu.
- A. concealed
- B. apparent
- C. expert
- D. delectable
Correct Answer: B
Rationale: The correct meaning of the word 'overt' in this context is 'apparent.' In the sentence, it indicates that despite there being no obvious or visible signs, Dr. Harris still suspected that Alicia might have the flu. 'Concealed' (choice A) means hidden, 'expert' (choice C) refers to a person with specialized knowledge, and 'delectable' (choice D) means delicious. Therefore, the most suitable meaning is 'apparent,' as it captures the idea that the signs were not obvious but could still be detected or suspected.
Which of the following statements is true regarding the structure of the cell membrane?
- A. The cell membrane is composed of nucleic acids.
- B. The cell membrane is impermeable to all substances.
- C. The cell membrane consists of a phospholipid bilayer.
- D. The cell membrane is made up of only proteins.
Correct Answer: C
Rationale: The cell membrane is composed of a phospholipid bilayer, which consists of two layers of phospholipid molecules. This structure provides the membrane with a barrier that separates the internal environment of the cell from the external environment. The phospholipid bilayer also contains proteins that help regulate the transport of molecules in and out of the cell. Nucleic acids are not the primary components of the cell membrane, so option A is incorrect. The cell membrane is selectively permeable, allowing certain substances to pass through, so option B is incorrect. Proteins are present in the cell membrane but are not the only components, making option D incorrect. Therefore, option C is the correct statement regarding the structure of the cell membrane.
The plumber used a tube to open up the curved pipe. What type of tube did the plumber most likely use?
- A. Solid
- B. Rigid
- C. Flexible
- D. Perforated
Correct Answer: C
Rationale: When working with curved pipes in plumbing, a flexible tube is the most suitable choice. Flexible tubes can bend and adjust to the shape of the pipe, making it easier to navigate through tight spaces and around corners. Solid and rigid tubes lack the flexibility required to effectively work in curved pipes, as they cannot adapt to the pipe's shape. Perforated tubes have holes and are not designed for the purpose of opening up curved pipes, making them less likely to be used for this task.
He had three discrete symptoms, causing the doctor to create an elaborate plan of care.
- A. Individual
- B. Difficult
- C. Separate
- D. Common
Correct Answer: A
Rationale: The correct answer is A: Individual. In this context, "discrete" means separate or distinct. Therefore, the symptoms were distinct and separate from each other, indicating that they were individual symptoms. "Difficult" (B) does not relate to the symptoms being distinct. "Separate" (C) is a synonym for "discrete," making it a tempting distractor, but it is not the best fit in the context. "Common" (D) is the opposite of what is being described - the symptoms are distinct, not common. Therefore, the most appropriate choice is A: Individual.