Nokea
Hottest year was
- A. 2001
- B. 2002
- C. 2003
- D. 2004
Correct Answer: C
Rationale: The year 2003 was recorded as one of the hottest years globally due to climate change impacts.
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The fraction 50 / 53 is a/an:
- A. Attack rate
- B. Food-specific attack rate
- C. Incidence proportion
- D. Proportion
Correct Answer: A
Rationale: This fraction represents the attack rate among those exposed to wedding cake.
You are planning a case-control study of lung cancer to test the hypothesis that vegetable consumption is protective against lung cancer. Would you match on smoking? Explain your answer.
- A. Yes, because smoking is a known confounder for lung cancer.
- B. No, because matching on smoking will introduce overmatching.
- C. Yes, because smoking correlates with vegetable consumption.
- D. No, because smoking is unrelated to vegetable consumption.
Correct Answer: A
Rationale: Smoking is a strong confounder for lung cancer, and matching on smoking helps ensure comparability between cases and controls, preventing spurious associations.
Inductive research was purposed by
- A. aristotle
- B. Socrates
- C. plato
- D. none
Correct Answer: A
Rationale: Aristotle is credited with proposing inductive reasoning.
The reference protein is
- A. Egg
- B. Milk
- C. Soybean
- D. Meat
Correct Answer: A
Rationale: Egg protein is considered the reference protein due to its high biological value.
Vaccine that should be kept in freezer are
- A. Polio, DPT, measles
- B. Polio measles BCG
- C. BCG DPT measles
- D. BCG DPT and polio
Correct Answer: A
Rationale: Polio vaccines must be stored frozen to maintain their efficacy; other vaccines like DPT and measles require refrigeration but not freezing.