If a theory is obsolete, what is true of it?
- A. Up to date
- B. Outdated
- C. Innovative
- D. Scientific
Correct Answer: B
Rationale: The correct answer is B: 'Outdated.' When something is described as 'obsolete,' it means that it is outdated or no longer in use. Therefore, an obsolete theory is no longer current or relevant. Choices A, C, and D are incorrect because an obsolete theory is not considered up to date, innovative, or necessarily scientific; it is outdated and no longer relevant in its field.
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What does 'expand' mean?
- A. To decrease in size
- B. To increase in size or amount
- C. To spread out
- D. To eliminate
Correct Answer: B
Rationale: The correct answer is B. 'Expand' means to increase in size or amount. Choice A, 'To decrease in size,' is the opposite of what 'expand' means. Choice C, 'To spread out,' is related to expanding but does not precisely define the term. Choice D, 'To eliminate,' is not synonymous with the term 'expand.'
Which word describes a person's music collection who listens to a mixture of genres from punk rock to classical?
- A. Theoretical
- B. Relevant
- C. M©lange
- D. Cacophony
Correct Answer: C
Rationale: The word 'm©lange' refers to a mixture or medley of different elements, which perfectly fits the description of someone who listens to various music genres. It implies diversity in their collection, covering a broad range of styles from punk rock to classical music. Choice A, 'Theoretical,' does not relate to music collections and is more aligned with concepts and hypotheses. Choice B, 'Relevant,' does not capture the idea of a varied music collection. Choice D, 'Cacophony,' refers to a harsh, discordant mixture of sounds, which does not represent a music collection with a variety of genres.
What are the soft spots on the head of a newborn called?
- A. Fistula
- B. Fontanel
- C. Follicle
- D. Fissure
Correct Answer: B
Rationale: The correct answer is B: Fontanel. Fontanels are spaces between the bones of a newborn's skull that allow for brain growth and development. The term 'fistula' (choice A) refers to an abnormal passageway between two organs or between an organ and the body surface, not related to newborn soft spots. 'Follicle' (choice C) is a structure in the skin that contains the hair root, not related to the skull. 'Fissure' (choice D) refers to a narrow opening or crack, which is not the term used for the soft spots on a newborn's head.
Which sentence correctly uses a colon?
- A. She had one goal: to win the race.
- B. He needs milk, eggs, and bread.
- C. The meeting is at 3 PM.
- D. She bought milk, eggs, bread.
Correct Answer: A
Rationale: The correct answer is A: 'She had one goal: to win the race.' This sentence uses a colon to introduce the purpose or explanation that follows. It is a grammatically correct use of a colon. Choice B is incorrect as the colon is not needed after 'needs'; a list of items follows, which does not require a colon. Choice C is a simple statement of time and does not require a colon. Choice D is also incorrect since a colon is not suitable after 'bought'; the items bought are listed without the need for a colon.
Which word names a medicine whose purpose is to induce vomiting?
- A. Laxative
- B. Emetic
- C. Vaccine
- D. Analgesic
Correct Answer: B
Rationale: The correct answer is B, 'Emetic.' An emetic is a medication specifically designed to induce vomiting. This helps the body expel toxic substances or clear the stomach. Choice A, 'Laxative,' aids in relieving constipation by promoting bowel movements, not inducing vomiting. Choice C, 'Vaccine,' is a substance used to stimulate the immune system against specific diseases, not to induce vomiting. Choice D, 'Analgesic,' refers to a medication used to relieve pain, not to induce vomiting. Therefore, options A, C, and D are incorrect in the context of inducing vomiting.