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Dicm 209: Community Health 11 Question Paper

Dicm 209: Community Health 11

Course:Clinical Medicine, Surgery & Community Health

Institution: Kenya Methodist University question papers

Exam Year:2012

KENYA METHODIST UNIVERSITY
END OF 2''ND ''TRIMESTER 2012(DAY) EXAMINATIONS
SCHOOL : MEDICINE & HEALTH SCIENCES
DEPARTMENT : CLINICAL MEDICINE, SURGERY & COMMUNITY
HEALTH
UNIT CODE : DICM 209
UNIT TITLE : COMMUNITY HEALTH 11
TIME : 3HOURS

INSTRUCTIONS: This paper has THREE Sections. Answer ALL Questions in the THREE Sections
SECTION A
Answer each Question by indication T(True) for correct response and F(False) for incorrect response. Each correct answer earns 1mark and wrong answer attracts -1 (Negative one) Mark.
QUESTION ONE
The following are measures of morbidity
A. Incidence density
B. Attack rate
C. Secondary attack rate
D. Five year survival rate
E. Attributable Risk
QUESTION TWO
In Communicable Disease
A. Reservoir is always a living thing
B. Virulence of the agent has no influence on the agent host interaction
C. Escape level of the agent provides the most effective level to target preventive interventions
D. Indirect transmission can be by intermediate host
E. All of the above.
QUESTION THREE
Cohort studies
A. Are the best for studying rare diseases
B. Can pick wide variety of causative factors
C. Takes relatively less time
D. Can assess multiple outcomes.
E. Can assess multiple exposures
QUESTION FOUR
Census as a source of demographic data
A. Is always regional based
B. May not be very reliable
C. May be affected by digit preference
D. Is done more regularly than survey
E. All of the above.
QUESTION FIVE
In experimental studies
A. The study and control groups are always equal in size
B. The study is retrospective
C. The investigator determines who shall be exposed to the factor and who
will not.
D. Ethical issues are not important
E. All of the above.
QUESTION SIX
Morbidity may mean the following
A. Illness
B. Disease
C. Being sick
D. None of the above
E. All of the above.
QUESTION SEVEN
A disease whose transmission in an area is sustained throughout the year is
A. Epidemic disease
B. Pandemic disease
C. Endemic disease
D. Holoendemic disease
E. Mesoendemic disease
QUESTION EIGHT
Which of the following is a host-specific risk factors for a disease
A. Physiological state
B. Overcrowding
C. Pollution
D. Virulence
E. Age
QUESTION NINE
Sampling in studies
A. Increase the cost
B. Gives erroneous results
C. May cause rare events not to be picked
D. Is never non- random
E. May influence the quality of the results
QUESTION TEN
A good screening test should have the following characteristics
A. Is valid
B. Is simple
C. Gives quick results
D. Is cheap and unacceptable
E. All of the above
QUESTION ELEVEN
The following may be considered in sample size determination
A. The event of study
B. Subjects availability
C. Study time
D. None of the above.
E. All of the above
QUESTION TWELVE
The risk of acquiring disease is measured by
A. Prevalence rate
B. Incidence rate
C. Absolute rate
D. Attributable risk
E. Relative risk.
QUESTION THIRTEEN
For Kenya`s population to be stable, the estimated total fertility rate should be about.
A. 4.7
B. 2.4
C. 1
D. 8.1
E. 0 (Zero)
QUESTION FOURTEEN
If we accept null hypothesis, we are likely to make
A. Type 11 error
B. Type 1 error
C. Sampling error
D. Both type 1 and 11 errors
E. None of the above.
QUESTION FIFTEEN
The following are methods of data collection in surveillence
A. Enumeration of events
B. Physical examinations
C. Admission/discharge interviews
D. Population census
E. All of the above.
QUESTION SIXTEEN
Comprehensive disaster preparedness strategy
A. Is only effective for natural disasters
B. Does not involve hazard assessments
C. Is only possible at regional and international levels
D. Involve public rehearsals
E. Information management is of critical role
QUESTION SEVENTEEN
A community`s fertility rate is:
A. The number of fertile women per 1,000 of the population
B. The number of live births per 1,000 of the population
C. The rate at which the fertility grow
D. The number of children born each year
E. The ability of women in the community to conceive.
QUESTION EIGHTEEN
In description studies
A. Cause-effect relationship is determined
B. Are usually very expensive
C. Statistical tests can be performed
D. Are most suitable for studying acute diseases.
E. All of the above.
QUESTION NINETEEN
The following factor contribute to drug/substance abuse except
A. Poverty
B. Affluence
C. Family violence
D. Family values
E. All the above
QUESTION TWENTY
The following are determinants of family size
A. Age at first marriage
B. Coital frequency
C. Age at first sexual intercourse
D. Voluntary infecudity
E. Involuntary infecudity
SECTION B (Answer all the Questions)
QUESTION ONE
State FIVE uses of prevalence measures. (5marks)

QUESTION TWO
List any FIVE elements of disaster preparedness. (5marks)
QUESTION THREE
a) Why are controls used in analytical studies. (3marks)

b) Give any FOUR sources of controls. (2marks)
QUESTION FOUR
Describe the suitability criteria of a disease for screening. (5marks)
QUESTION FIVE
Define the following terms (5marks)
Notifiable disease
Heard immunity
Life span
Fecundity
QUESTION SIX
Give any FIVE measures of fertility. (5marks)
QUESTION SEVEN
State and explain the demographic equation. (5marks)
QUESTION EIGHT
Explain the various disease carrier states. (5marks)
QUESTION NINE
State any FIVE determinants of family size. (5marks)
QUESTION TEN
Describe the epidemiological triad. (5marks)
SECTION C (Answer TWO Questions)
QUESTION ONE
Discuss the interventions and strategies that can be applied to address drug and substance abuse among the Kenyan youth. (15marks)
QUESTION TWO
Screening for diabetes was done in a pollution of 10,000 people. This was done using two tests. (Blood sugar test and Glucose tolerance test) The first test (Blood sugar test) was applied to all the 10,000 people. The second test (Glucose positive test) was applied to those that tested positive for the first test. The results were as below.
Test 1 (Blood Sugar Test) Results
Diabetics Non-diabetics
Tests results +ve 350 1900 2250
-ve 150 7600 7750
Total 500 9500 10000
Test 2(Glucose tolerance test) Results
Diabetics Non-diabetics
Tests Results +ve 315 190 500
-ve 35 1710 1745
350 1900 2250
From the above information calculate:
Test sensitivity for the blood sugar test.
(2marks)
Test specificity for the blood sugar test.
(2marks)
Predictive value of the positive test of blood sugar test. (2marks)
Test sensitivity of the glucose tolerance test.
(2marks)
Test specificity of the glucose tolerance test.
(2marks)
Net sensitivity of the tests.
(2.5marks)
Net specificity of the tests.
(2.5marks)

Dicm 209: Community Health 11 Question Paper

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