ACVMP EPIDEMIOLOGY AND BIOSTATS
EXAM 2026/2027 WITH ACTUAL CORRECT
QUESTIONS AND VERIFIED DETAILED
ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |BRAND NEW
VERSION|JUST RELEASED!!
1. In a large case-control study of patients with pancreatic cancer, 17% of the patients were
found to be diabetic at the time of diagnosis, compared to 4% of a well-matched control group
(matched by age, sex, ethnic group and several other characteristics) that was examined for
diabetes at the same time as the cases were diagnosed. It was concluded that the diabetes
played a causal role in the pancreatic cancer.
This conclusion:
a. is correct
b. may be incorrect because there is no control or comparison group
c. may be incorrect because of failure to establish the time sequence between onset of the
diabetes and diagnosis of pancreatic cancer.
d. may be incorrect because of less complete ascertainment of diabetes in the pancreatic cancer
cases.
e. may be incorrect because of more complete ascertainment of pancreatic cancer in
nondiabetic persons.
c. may be incorrect because of failure to establish the time sequence between onset of the
diabetes and diagnosis of pancreatic cancer.
1|Page
,2. Ecologic fallacy refers to:
a. Assessing exposure in large groups rather than in many small groups.
b. Assessing outcome in large groups rather than in many small groups.
c. Examining correlations of exposure and outcome rather than time trends.
d. Failure to examine temporal relationships between exposure and outcomes.
e. Ascribing the characteristics of a group to every individual in that group.
e. Ascribing the characteristics of a group to every individual in that group.
3. Which of the following is an approach to handling confounding?
a. Individual matching
b. Stratification
c. Group matching
d. Adjustment
e. All of the above
e. All of the above
4. It has been suggested that physicians may examine women who use oral contraceptives more
often or more thoroughly than women who do not. If so , and if an association is observed
between phlebitis and oral contraceptive use, the association may be due to
a. Surveillance bias
b. Selection bias
c. Interviewer bias
d. Nonresponse bias
e. Recall bias
a. Surveillance bias
2|Page
,5. The specific morbidity rate is usually the number of:
a. Cases of a specific disease per 1,000,000 population
b. Deaths from a specific disease for a geographical area
c. Cases of a specific disease for a political area
d. Deaths from a specific disease per 100,000 population
e. Deaths from a specific disease per 100 cases of that disease
a. Cases of a specific disease per 1,000,000 population
6. The amount of health disorder existing in a population at one particular time, regardless of
time of onset is known at the:
a. Prevalence
b. Incidence
c. Morbidity rate
d. Mortality rate
e. Attack rate
a. Prevalence
7. In prospective study or cohort type of epidemiologic study, two types of cohorts are selected.
One of these is the exposed and the other is:
a. Cases
b. Susceptible
c. Affected cohorts
d. Non-exposed
e. Immune populations
d. Non-exposed
3|Page
, 8. The duration of a chronic disease process may complicate the epidemiologic study of its
prevalence because of:
a. Loss of people or animals from the study by death from other causes
b. Changes in diagnostic techniques during the period of study
c. Changes in medical or veterinary care during the period of study
d. Decrease in interest level on the part of workers in the study
e. All of the above
a. Loss of people or animals from the study by death from other causes
b. Changes in diagnostic techniques during the period of study
c. Changes in medical or veterinary care during the period of study
d. Decrease in interest level on the part of workers in the study
e. All of the above
9. When an epidemiologist is called to investigate a communicable disease emergency, the first
thing he/she should try to determine is:
a. Possible sources of infection
b. Methods of transmission
c. Accuracy of the diagnosis
d. Methods of control
e. Extent of spread
c. Accuracy of the diagnosis
10. Which of the following agent characteristics is most likely to be seen in a disease which
occurs in epidemic proportions:
a. High infectivity
4|Page
EXAM 2026/2027 WITH ACTUAL CORRECT
QUESTIONS AND VERIFIED DETAILED
ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |BRAND NEW
VERSION|JUST RELEASED!!
1. In a large case-control study of patients with pancreatic cancer, 17% of the patients were
found to be diabetic at the time of diagnosis, compared to 4% of a well-matched control group
(matched by age, sex, ethnic group and several other characteristics) that was examined for
diabetes at the same time as the cases were diagnosed. It was concluded that the diabetes
played a causal role in the pancreatic cancer.
This conclusion:
a. is correct
b. may be incorrect because there is no control or comparison group
c. may be incorrect because of failure to establish the time sequence between onset of the
diabetes and diagnosis of pancreatic cancer.
d. may be incorrect because of less complete ascertainment of diabetes in the pancreatic cancer
cases.
e. may be incorrect because of more complete ascertainment of pancreatic cancer in
nondiabetic persons.
c. may be incorrect because of failure to establish the time sequence between onset of the
diabetes and diagnosis of pancreatic cancer.
1|Page
,2. Ecologic fallacy refers to:
a. Assessing exposure in large groups rather than in many small groups.
b. Assessing outcome in large groups rather than in many small groups.
c. Examining correlations of exposure and outcome rather than time trends.
d. Failure to examine temporal relationships between exposure and outcomes.
e. Ascribing the characteristics of a group to every individual in that group.
e. Ascribing the characteristics of a group to every individual in that group.
3. Which of the following is an approach to handling confounding?
a. Individual matching
b. Stratification
c. Group matching
d. Adjustment
e. All of the above
e. All of the above
4. It has been suggested that physicians may examine women who use oral contraceptives more
often or more thoroughly than women who do not. If so , and if an association is observed
between phlebitis and oral contraceptive use, the association may be due to
a. Surveillance bias
b. Selection bias
c. Interviewer bias
d. Nonresponse bias
e. Recall bias
a. Surveillance bias
2|Page
,5. The specific morbidity rate is usually the number of:
a. Cases of a specific disease per 1,000,000 population
b. Deaths from a specific disease for a geographical area
c. Cases of a specific disease for a political area
d. Deaths from a specific disease per 100,000 population
e. Deaths from a specific disease per 100 cases of that disease
a. Cases of a specific disease per 1,000,000 population
6. The amount of health disorder existing in a population at one particular time, regardless of
time of onset is known at the:
a. Prevalence
b. Incidence
c. Morbidity rate
d. Mortality rate
e. Attack rate
a. Prevalence
7. In prospective study or cohort type of epidemiologic study, two types of cohorts are selected.
One of these is the exposed and the other is:
a. Cases
b. Susceptible
c. Affected cohorts
d. Non-exposed
e. Immune populations
d. Non-exposed
3|Page
, 8. The duration of a chronic disease process may complicate the epidemiologic study of its
prevalence because of:
a. Loss of people or animals from the study by death from other causes
b. Changes in diagnostic techniques during the period of study
c. Changes in medical or veterinary care during the period of study
d. Decrease in interest level on the part of workers in the study
e. All of the above
a. Loss of people or animals from the study by death from other causes
b. Changes in diagnostic techniques during the period of study
c. Changes in medical or veterinary care during the period of study
d. Decrease in interest level on the part of workers in the study
e. All of the above
9. When an epidemiologist is called to investigate a communicable disease emergency, the first
thing he/she should try to determine is:
a. Possible sources of infection
b. Methods of transmission
c. Accuracy of the diagnosis
d. Methods of control
e. Extent of spread
c. Accuracy of the diagnosis
10. Which of the following agent characteristics is most likely to be seen in a disease which
occurs in epidemic proportions:
a. High infectivity
4|Page
