Case-control studies allow the investigator to examine only one outcome at a time, but they permit examination of several different exposures at a time. Select a disease or other health outcome with which you are familiar and see how many potential exposures you can identify.
- A. Cancer
- B. Diabetes
- C. Heart disease
- D. Infectious diseases
Correct Answer: A
Rationale: For example, in cancer studies, multiple exposures such as smoking, diet, radiation, and genetics can be assessed simultaneously.
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Inductive research was purposed by
- A. aristotle
- B. Socrates
- C. plato
- D. none
Correct Answer: A
Rationale: Aristotle is credited with proposing inductive reasoning.
Male and female rats experimented with 4 different drugs, then which of the following study is conducted.
- A. chi square test
- B. z test
- C. t test
- D. none
Correct Answer: A
Rationale: Chi-square tests assess associations between categorical variables, useful here for analyzing drug effects across genders.
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.
Estimate how likely it would be for a similar epidemic of plague to develop during the current decade.
- A. Unlikely due to modern sanitation and antibiotics.
- B. Likely due to increased travel.
- C. Likely due to climate change.
- D. Unlikely due to genetic immunity.
Correct Answer: A
Rationale: Modern healthcare, sanitation, and antibiotics significantly reduce the likelihood of a plague epidemic.
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.