The ETIOLOGY of the flu epidemic of 1918 remains unknown to this day.
- A. Pathology
- B. Transmission
- C. Etiology
- D. Mortality rate
Correct Answer: C
Rationale: The term 'etiology' refers to the cause or origins of a disease. In this context, the question is asking for the underlying reason or cause of the flu epidemic of 1918. Therefore, the correct answer is C. 'Etiology.' Choice A, 'Pathology,' is incorrect as it refers to the study of diseases rather than the cause itself. Choice B, 'Transmission,' is incorrect as it relates to how a disease spreads rather than its cause. Choice D, 'Mortality rate,' is incorrect as it refers to the number of deaths caused by a disease rather than the cause of the disease itself.
You may also like to solve these questions
What is the term for the lower surface of a structure?
- A. Inferior
- B. Transverse
- C. Dorsal
- D. Ventral
Correct Answer: D
Rationale: The term for the lower surface of a structure is 'ventral.' 'Ventral' is used in anatomy to describe the front or lower surface of an organism or structure. In this context, 'inferior' (choice A) is not the correct term as it generally refers to something being below or lower in position but not specifically the lower surface of a structure. 'Transverse' (choice B) refers to a crosswise direction, not the lower surface. 'Dorsal' (choice C) is the term used for the upper or back surface of an organism or structure, opposite to the ventral surface.
A blood vessel that is distended is ____
- A. Narrow
- B. Swollen
- C. Flat
- D. Dilated
Correct Answer: B
Rationale: The correct answer is B: 'Swollen.' Distended means swollen or expanded, not narrow (A), flat (C), or dilated (D). When a blood vessel is distended, it is enlarged or swollen due to increased pressure.
What is a Nutrient?
- A. A chemical compound
- B. A substance that provides nourishment
- C. A non-essential mineral
- D. An essential vitamin
Correct Answer: B
Rationale: A nutrient is a substance that provides nourishment to the body, such as carbohydrates, proteins, fats, vitamins, and minerals. Choice A has been improved to 'A chemical compound' to be more specific. Choice A is incorrect as it is too general and does not specifically describe the role of a nutrient. Choice C is incorrect as it focuses on minerals without specifying that all minerals are nutrients. Choice D is also incorrect as it solely emphasizes vitamins, which are just one type of nutrient.
What is the meaning of ostracize?
- A. Praise
- B. Snub
- C. Accept
- D. Include
Correct Answer: B
Rationale: The correct answer is B: 'Snub.' To ostracize someone means to intentionally exclude or ignore them. Choices A, C, and D are incorrect because ostracize has a negative connotation, opposite of 'Praise,' 'Accept,' and 'Include.' Ostracize involves rejecting or isolating someone, which contrasts with the positive actions associated with the other choices.
The rain will CEASE at sundown.
- A. Decrease
- B. Begin
- C. Stop
- D. Increase
Correct Answer: C
Rationale: The word 'cease' means to stop or come to an end. In the given sentence, it is implied that the rain will stop at sundown, not decrease, begin, or increase. Therefore, the correct option is 'Stop.' 'Decrease' means to become smaller or less, which doesn't fit the context. 'Begin' means to start, which is the opposite of what is stated. 'Increase' means to become or make greater in amount, which is also contrary to the statement.