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1. Which of the following is NOT a general characteristic of disease
transmission?
a) Direct contact
b) Airborne transmission
c) Vertical transmission
d) Genetic inheritance
Answer: d) Genetic inheritance
Rationale: Disease transmission refers to how diseases are spread from
one individual to another. Genetic inheritance is not a typical mode of
disease transmission as it involves the passing down of genetic traits from
parents to their offspring, rather than the direct spread of a disease-causing
agent.
2. Which of the following is an example of a vector-borne disease?
a) Influenza
b) Tuberculosis
c) Malaria
d) Hepatitis A
Answer: c) Malaria
Rationale: Vector-borne diseases are transmitted through the bite of an
infected vector, such as mosquitoes or ticks. Malaria is an example of a
vector-borne disease as it is transmitted by the Anopheles mosquito.
3. Which of the following is a primary symptom of COVID-19?
a) Diarrhea
b) Headache
c) Cough
d) Abdominal pain
Answer: c) Cough
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