Select the meaning of the underlined word in this sentence.
The etiology of the flu epidemic of 1918 remains unknown to this day
A.
Transmission
B.
Mortality rate
C.
Cause
D.
Pathology
The Correct Answer and Explanation is:
The correct answer is C. Cause.
In the sentence, “The etiology of the flu epidemic of 1918 remains unknown to this day,” the term “etiology” refers to the cause or origin of a particular phenomenon, in this case, the flu epidemic. To understand this better, let’s break down the term and its use in this context.
Understanding “Etiology”:
- Definition: The term “etiology” is derived from the Greek word “aitiologia,” which combines “aitia” (cause) and “logos” (study). In general, etiology refers to the study of the causes or origins of diseases or conditions.
- Application in Medicine: In medical and scientific contexts, etiology is used to describe the underlying causes of diseases or health conditions. For instance, understanding the etiology of a disease involves identifying the factors that contribute to its development, whether they are biological, environmental, or behavioral.
Why “Cause” Fits Best:
- Context of the Sentence: The sentence is discussing the flu epidemic of 1918 and mentions that the “etiology” of this epidemic is unknown. Here, “etiology” is used to refer to the underlying cause or origin of the epidemic. The statement suggests that the exact reason or factors leading to the outbreak of the flu epidemic are still not fully understood or identified.
- Comparison with Other Options:
- A. Transmission: This refers to how a disease is spread from one individual to another. While transmission is a part of understanding a disease, it is not the same as etiology, which is concerned with the cause.
- B. Mortality rate: This refers to the number of deaths caused by a disease, which is a measure of the impact of the disease but does not address its underlying cause.
- D. Pathology: This refers to the study of the nature and causes of diseases, including their effects on the body. While related to etiology, pathology encompasses a broader scope, including how diseases develop and their effects.
In summary, “etiology” in this context specifically means the cause of the flu epidemic, making option C. Cause the correct choice.