PUBH 401: Additional Exam 2 Questions
And All Correct Answers.
The probability that a disease screening test correctly identify or classify disease individuals can
be referred to as - Answer - Sensitivity
- True positive
The table is an illustration of a Screening Test of a particular disease.
What percentage of participants in the screening test program tested positive for the disease? -
Answer Out of a total of 64,810 participants, 1,115 were tested positive for the disease. So,
the percentage of participants in the screening test program who tested positive for the disease
is 1,115/64,810 X 100 = 1.72
1.72%
The table is an illustration of a Screening Test of a particular disease.
How many subjects were correctly classified by the screening test as not having the disease? -
Answer 63,650
The table is an illustration of a Screening Test of a particular disease.
How many subjects were tested negative by the screening test? - Answer 63,695
The table is an illustration of a Screening Test of a particular disease.
How many subjects were incorrectly classified by the screening test as having the disease? -
Answer 983
The table is an illustration of a Screening Test of a particular disease.
How many participants in the screening test were cases of the disease? - Answer 177
,How many subjects were incorrectly classified by the screening test as not having the disease? -
Answer 45
The table is an illustration of a Screening Test of a particular disease.
How many participants in the screening test were not cases of the disease? - Answer 64,633
The table is an illustration of a Screening Test of a particular disease.
How many subjects were tested positive by the screening test? - Answer 1,115
The table is an illustration of a Screening Test of a particular disease.
What proportion of subjects were tested positive given that they do not have the disease? -
Answer There is a total of 64,633 non-diseased subjects, out of which the screen test
incorrectly classified 983. So, the proportion of subjects who were tested positive given that
they do not have the disease is 983/64,633 = 0.015
0.015
A disease screening test in which non-diseased cases are erroneously classified defines which of
the following - Answer False positives
The table is an illustration of a Screening Test of a particular disease.
How many subjects were correctly classified by the screening test as having the disease? -
Answer 132
A disease screening test process incorrectly classified diseased cases as non-disease cases. The
classified cases can be referred to as - Answer False negatives
The table is an illustration of a Screening Test of a particular disease.
, 99.7%
The table is an illustration of a Screening Test of a particular disease.
How many subjects were involved entire disease screening test program? - Answer 64,810
The table is an illustration of a Screening Test of a particular disease.
What proportion of subjects were tested negative given that they have the disease? - Answer
There is a total of 177 diseased subjects, out of which the screen test incorrectly classified 45.
So, the proportion of subjects who were tested negative given that they have the disease is
45/177 = 0.254.
0.254
A disease screening test in which non-diseased cases are accurately classified defines which of
the following - Answer - Specificity
- True negatives
The table is an illustration of a Screening Test of a particular disease.
What percentage of non-diseased subjects were correctly identified in the screening test as
noncases of the disease? - Answer 98.5%
The table is an illustration of a Screening Test of a particular disease.
What percentage of participants in the screening test program were cases of the disease? -
Answer 0.273%
The table is an illustration of a Screening Test of a particular disease.
What percentage of diseased subjects were correctly identified in the screening test as cases of
the disease? - Answer 74.6%
And All Correct Answers.
The probability that a disease screening test correctly identify or classify disease individuals can
be referred to as - Answer - Sensitivity
- True positive
The table is an illustration of a Screening Test of a particular disease.
What percentage of participants in the screening test program tested positive for the disease? -
Answer Out of a total of 64,810 participants, 1,115 were tested positive for the disease. So,
the percentage of participants in the screening test program who tested positive for the disease
is 1,115/64,810 X 100 = 1.72
1.72%
The table is an illustration of a Screening Test of a particular disease.
How many subjects were correctly classified by the screening test as not having the disease? -
Answer 63,650
The table is an illustration of a Screening Test of a particular disease.
How many subjects were tested negative by the screening test? - Answer 63,695
The table is an illustration of a Screening Test of a particular disease.
How many subjects were incorrectly classified by the screening test as having the disease? -
Answer 983
The table is an illustration of a Screening Test of a particular disease.
How many participants in the screening test were cases of the disease? - Answer 177
,How many subjects were incorrectly classified by the screening test as not having the disease? -
Answer 45
The table is an illustration of a Screening Test of a particular disease.
How many participants in the screening test were not cases of the disease? - Answer 64,633
The table is an illustration of a Screening Test of a particular disease.
How many subjects were tested positive by the screening test? - Answer 1,115
The table is an illustration of a Screening Test of a particular disease.
What proportion of subjects were tested positive given that they do not have the disease? -
Answer There is a total of 64,633 non-diseased subjects, out of which the screen test
incorrectly classified 983. So, the proportion of subjects who were tested positive given that
they do not have the disease is 983/64,633 = 0.015
0.015
A disease screening test in which non-diseased cases are erroneously classified defines which of
the following - Answer False positives
The table is an illustration of a Screening Test of a particular disease.
How many subjects were correctly classified by the screening test as having the disease? -
Answer 132
A disease screening test process incorrectly classified diseased cases as non-disease cases. The
classified cases can be referred to as - Answer False negatives
The table is an illustration of a Screening Test of a particular disease.
, 99.7%
The table is an illustration of a Screening Test of a particular disease.
How many subjects were involved entire disease screening test program? - Answer 64,810
The table is an illustration of a Screening Test of a particular disease.
What proportion of subjects were tested negative given that they have the disease? - Answer
There is a total of 177 diseased subjects, out of which the screen test incorrectly classified 45.
So, the proportion of subjects who were tested negative given that they have the disease is
45/177 = 0.254.
0.254
A disease screening test in which non-diseased cases are accurately classified defines which of
the following - Answer - Specificity
- True negatives
The table is an illustration of a Screening Test of a particular disease.
What percentage of non-diseased subjects were correctly identified in the screening test as
noncases of the disease? - Answer 98.5%
The table is an illustration of a Screening Test of a particular disease.
What percentage of participants in the screening test program were cases of the disease? -
Answer 0.273%
The table is an illustration of a Screening Test of a particular disease.
What percentage of diseased subjects were correctly identified in the screening test as cases of
the disease? - Answer 74.6%
