MOH UAE Public Health & Preventive Medicine 2 — Questions and Answers
Question 1: The Hajj season presents a major public health challenge due to risk of which communicable disease outbreak?
- Cholera
- Meningococcal meningitis (Correct answer)
- Rabies
- Legionellosis
Correct answer: Meningococcal meningitis
Meningococcal meningitis is a major Hajj-associated public health concern due to mass gathering risk; the UAE and Saudi Arabia require meningococcal vaccination for Hajj pilgrims.
Question 2: The incubation period for COVID-19 (SARS-CoV-2) is most commonly:
- 1–2 days
- 2–14 days (typically 5–6 days) (Correct answer)
- 14–21 days
- 24–48 hours
Correct answer: 2–14 days (typically 5–6 days)
The incubation period for COVID-19 ranges from 2–14 days, with the most common period being 5–6 days, which determined the standard 14-day quarantine period.
Question 3: Primary prevention of type 2 diabetes includes:
- Insulin therapy
- Early metformin for all high-risk individuals
- Lifestyle modification with diet and exercise (Correct answer)
- Annual HbA1c screening only
Correct answer: Lifestyle modification with diet and exercise
Primary prevention of type 2 diabetes focuses on lifestyle modification — regular physical activity and healthy diet — to reduce insulin resistance and delay or prevent disease onset.
Question 4: Herd immunity for measles requires approximately what percentage of the population to be immune?
- 50%
- 70%
- 85%
- 95% (Correct answer)
Correct answer: 95%
Measles has a very high basic reproduction number (R0 of 12–18), requiring approximately 95% population immunity to achieve herd immunity and prevent community transmission.
Question 5: The screening test recommended for cervical cancer early detection is:
- Colposcopy
- CA-125 blood test
- Pap smear (cervical cytology) and HPV testing (Correct answer)
- Transvaginal ultrasound
Correct answer: Pap smear (cervical cytology) and HPV testing
Cervical cancer screening uses Pap smear cytology and/or HPV DNA testing to detect precancerous cervical changes, allowing early intervention before invasive cancer develops.
Question 6: Under UAE occupational health regulations, pre-employment medical examinations are required for workers in:
- Administrative office roles only
- All healthcare workers and food handlers at minimum (Correct answer)
- Senior management only
- Self-employed individuals only
Correct answer: All healthcare workers and food handlers at minimum
UAE occupational health regulations mandate pre-employment medical examinations for all healthcare workers and food handlers as a minimum requirement, to protect both workers and the public they serve.
The Hajj season presents a major public health challenge due to risk of which communicable disease outbreak?