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TitlePreventive FinalA
TagsTuberculosis Preventive Healthcare Sensitivity And Specificity Statistical Hypothesis Testing Cohort Study
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Page 2


C. Require that subjects be randomly assigned to exposure and nonexposure
groups at all times.

D. Excludes community trials.
8. Which of the following statements is true regarding prospective cohort studies?

A. They measure the relative risk of developing a disease for an individual
with an exposure.

B. Individuals are grouped on the basis of their disease status.
C. Subject attrition is not a major potential flaw.
D. They cannot be used to observe multiple exposures and conditions.

E. They are poor in elucidating temporal relationships between exposure and

9. Which of the following statements is true regarding cross-sectional studies?
A. They assess exposure and disease status simultaneously.
B. They can yield information regarding disease incidence.

C. They are more time-consuming to perform than case-control or cohort

D. They are an effective design to determine casual relationships.
E. They are not an appropriate methodology to draw conclusions from chart

databases or census data.

10. Which of the following is an example of cohort studies?

A. Men are grouped as to whether or not they have had radioactive
exposure; then their existing medical records are evaluated for a diagnosis

of lung cancer.
B. Women are grouped as to whether or not they have chronic obstructive

lung disease; then they are asked about their occupational history.
C. Women are given a questionnaire assessing weight and menstrual


D. A group of elderly veterans are followed for adverse reactions to the flu

11. A family physician believes that sterile butterfly stripping is just as effective as

suturing with regard to the closure of simple lacerations. To test his theory, he

uses sterile butterfly strips to close the next 25 lacerations that he sees in his
office. He reports that 96 percent of the lacerations had excellent results. Which

of the following statements is true regarding this experiment?
A. This is a case-series design.

B. This design is an ineffective one for the initial study of the phenomenon.
C. It can be assumed that all lacerations were equivalent with regard to

location, extent, and mechanism of injury.

D. The next phase of study should be a prevalence design.
E. Sterile butterfly stripping is at least equivalent to suturing with regard to

its ability to attain adequate wound closure.

12. In double-blind randomized clinical trials:
A. The distribution of characteristics between the exposure and nonexposure

groups is determined by chance.

B. The investigator is aware of who is and who is not getting the exposure.
C. The subjects are not aware that they are taking part in a research

D. The subjects are permitted to choose whether they want to be in the

exposure or nonexposure group.

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D. All of the above

B___1. Adopted children are considered members of:
A. Blended family
B. Nuclear family
C. Extended family
D. Consanguineal family

B___2. Community interaction and independence are encouraged in this family type:
A. Random type family
B. Open type family
C. Close type family
D. Corporate family

B___3. This family assessment tool enables the physician to determine family dynamics
and family health problems:
A. Family Genogram

D. Family Circle

A___4. Present day Filipino families have accepted this family phenomenon:

A. Husband no longer monopolizes as the bread winner
B. Institutionalization of the aged member
C. Parenting is restrictive
D. Authoritative parents

A___5. Family Life Cycle provides the physicians the most important information

A. sequence of stressful events with family’s readjustments to maintain health
and viability
B. weak points are identified for the physician to strengthen

C. bad practices for the physician to correct
D. the dominant person in the family is identified for the physician to solely rely on


C___6. Considered most challenging stage of the family life cycle :
A. Unattached young adult t

B. Newly married couple
C. Family with young children
D. Family with adolescent

D___7. This stage of family Life Cycle is characterized by the shifting generational roles:
A. Newly married couple
B. Family with adolescent
C. Launching family
D. Family in later years

D___8. A time for positive growth and creative exploration for the entire family
A. Unattached young adult
B. Newly married couple
C. Family with young children
D. Family with adolescent

C__9 . The most important aspect of health promotion among adolescents
A. Screening
B. Immunization
C. Health education
D. Counseling

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A__10. Almost 50% of pregnant Filipino women are suffering from::

A. anemia
B. scurvy
C. vitamin deficiency
D. lack of iodine

C__11 Median urinary iodine level that indicates mild IDD

A. < 20 ug/L
B. 20-49 ug/L
C. 50-99 ug/L
D. > 100 ug/L

C__12. Daily vitamin A intake of pregnant women should not exceed

A. 500 iu/day
B. 5,000 iu/day
C. 10,000 iu/day
D. 20,000 iu/day
E. 200,000 iu/day

B__13 Most frequently reported debilitating chronic disorder among the elderly:

A. asthma
B. hypertension
C. diabetes mellitus
D. arthritis

C__14 Triage is done during this phase of the Emergency Medical Services system:

A. pre-treatment phase
B. preliminary care phase
C. definitive care phase at the receiving facility
D. recuperation phase

A___15. Which of the following is the real primary target of National Immunization Day?

A. Poliomyelitis
B. Tuberculosis
C. Measles
D. Diptheria, pertussis, tetanus

D___16 The main goal of the country’s CARI program is:

A. Early detection of pneumonia cases
B. Prompt treatment of Pneumonia cases
C. Efficient clinical assessment and management of Pneumonia cases
D. Reduction of Pneumonia deaths

A__ 17. To lessen mortality from pneumonia, the CARI program endorses:

A. early diagnosis of pneumonia cases
B. hospital admission of all patients with pneumonia
C. giving oral antibiotics to all children with cough and colds

D. influenza immunization

C___18. With the emergence of cardiovascular as the leading cause of mortality, DOH
formulated the National Cardiovascular Disease Prevention and Control
Program aimed primarily to:

A. identify high risk individuals
B. treat all identified cases of cardiovascular disease
C. promote healthy lifestyle
D. promote the use of indigenous drugs to treat cases

D__19. Inaccessibility to health care in the Philippines is mostly due to:

A. migration of doctors to other countries
B. lack of health centers and barangay health stations

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93. A nominal scale:

A. is made up of labeled or named categories with no implied order
B. is a ranking scale
C. has an ordering of values with one better than the other
D. has equal distances between values

94. In a stratified sampling:

A. k is determined by dividing the number of items in the sampling frame
by the desired sample size

B. the population is first divided into relevant subgroups and a
random sample is selected from each

C. the probability that a subject may be selected is unknown
D. the assignment of subjects to treatments is done by using random


95. Which is used to test for differences among proportions?

A. paired t-test
B. B. 2-sample t-test
D. D. Chi-square test

96. An investigator conducts a historical cohort study to explore the relationship

between perimenopausal exogenous estrogen use and the risk of coronary
heart disease (CHD). A total of 5000 exposed and 5000 unexposed women
are enrolled and followed for 15 years for the development of myocardial
infarction (MI). A total of 200 estrogen users and 300 nonusers had MIs. What
is the relative risk for MI?

A. 0.33
B. 0.50
C. 0.67
D. 1.5

97. A study was undertaken to compare results of the surgical treatment of
duodenal ulcer. A total of 1,358 patients who met the study criteria were
randomly assigned to one of four surgical procedures. The purpose of the
randomization was to -

A. ensure that the double-blind aspect of the study was maintained
B. obtain the unbiased distribution of good- and poor-risk patients in

all treatment groups
C. achieve the same number of patients on each operation
D. guarantee that the study group was a representative sample of the

general population

98. A newly developed test for diabetes produced positive results in 138 of 150

known diabetics and in 24 of 150 persons known not to have diabetes.
What is the sensitivity of the test?

A. 84%
B. 85.2%
C. 88%
D. 92%

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