Time limit: 0
Quiz Summary
0 of 4 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Quiz complete. Results are being recorded.
Results
0 of 4 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 4
1. Question
Question 1 of 4
In a small observational study, 100 industrial workers are followed for one year to assess for the development of respiratory symptoms (defined as productive cough lasting at least one week). 30 of 60 smokers experience respiratory symptoms over the year versus 10 of 40 non-smokers. Which of the following is the best estimate of the attributable risk of respiratory disease in smokers?
CorrectIncorrect -
Question 2 of 4
2. Question
Question 2 of 4
In a small observational study, 100 industrial workers are followed for one year to assess for the development of respiratory symptoms (defined as productive cough lasting at least one week). 30 of 60 smokers experience respiratory symptoms over the year versus 10 of 40 non-smokers. What percentage of respiratory disease experienced by smokers is attributed to smoking?
CorrectIncorrect -
Question 3 of 4
3. Question
Question 3 of 4
In a small observational study, 100 industrial workers are followed for one year to assess for the development of respiratory symptoms (defined as productive cough lasting at least one week). 30 of 60 smokers experience respiratory symptoms over the year versus 10 of 40 non-smokers. What percentage of respiratory disease experienced by all study subjects is attributed to smoking?
CorrectIncorrect -
Question 4 of 4
4. Question
Question 4 of 4
A new chemotherapy regimen used in patients with ovarian carcinoma is tested in a small clinical trial. Out of 50 patients treated with the new regimen, 25 survive 5 years without relapse. Out of 100 patients treated with the conventional regimen, 25 survive 5 years without relapse. How many patients need to be treated with the new regimen as opposed to the conventional regimen in order for one more patient to survive 5 years without relapse?
CorrectIncorrect