, PHLS 450 EPIDEMIOLOGY MIDTERM EXAM | GORDIS EPIDEMIOLOGY 6TH
EDITION CELENTANO TEST BANK | REAL EXAM QUESTIONS AND ANSWERS
1. Which Of The Following Is An Example Of Tertiary Prevention?
a. Vaccination For Rotavirus For Children Younger Than The Age Of 1 Year
b. Surgical Amputation Of An Extremity With Osteosarcoma (Bone Cancer)
c. Screening For Gestational Diabetes After 24 Weeks Of Pregnancy
d. Sexual Education Program In Elementary Schools
e. Increasing Taxes For Buying
Cigarettesans: B
Surgical Amputation Of An Extremity With Osteosarcoma (Bone Cancer) Is An Example In
Which When A Disease Is Present The Treatment (Amputation) Is Done To Reduce The
Impact Of Disease By Preventing The Tumor From Dissemination. Vaccination For Rotavirus
For Children Younger Than The Age Of 1 Year, Sexual Education Program In Elementary
Schools, And Increasing Taxes For Buying Cigarettes Represent Examples Of Primary
Prevention. Screening For Gestational Diabetes After 24 Weeks Of Pregnancy Is An
Example Of Secondary Prevention.
2. This Historic Character Observed Was More Common Among Women Treated By
Physicians And Medical Students Compared With Women Treated By Midwives. Based
On His Observations, He Implemented A Hand Wash Policy That Resulted In Adecrease
In Mortality. Name The Character That We Are Talking About.
a. John Snow
b. Edward Jenner
c. D.A. Henderson
d. Leon Gordis
e. I G N A
Z Semmelweis
ANS:
E
Ignaz Semmelweis Identified That Medical Students And Physicians Transmitted The
,Disease By Not Washing Their Hands After Examining Bodies At Autopsies And
Conducting Multiple Examinations In The Clinic.
3. Thanks To The Contributions Of Edward Jenner, The Following Disease Was
Eradicated Laterby Efforts Organized By D.A. Henderson:
a. Cholera
b. Smallpox
c. Chickenpox
d. Polio
e. Zika
ANS: B
Smallpox Was Eradicated In 1980. Edward Jenner Vaccinated James Phipps In 1796
Against Smallpox. Almost 200 Years Later, The World Health Organization (WHO)
Commissioned
D.A. Henderson To Lead The Efforts To Eradicate The Disease.
4. Over The Past Century, A Marked Decline In The Mortality Rates Of Many Infectious
Diseases Has Been Observed. Which Of The Following Is The Most Likely Reason For
The Observed Declinein Mortality Rates From Common Infectious Diseases?
a. Development Of Penicillin
b. Development Of Insulin
c. Development Of Vaccines
d. Improvement In Social Conditions
e. Worse Sanitation And Unsafe
Waterans: D
Although Medical Treatments Potentially Helped In The Decrease Of Infectious Diseases,
The Advancement In Social Conditions Played A Major Role. These Improvements
, Include Better Sanitation, Safe Disposal Of Waste, Better Nutrition,
And Improvement In Housing Conditions.
1. Which Term Most Accurately Describes The Following Definition? “The Occurrence In A
Community Or Region Of Cases Of An Illness, Specific Health-Related Behavior, Or
Other Health- Related Events Clearly In Excess Of Normal Expectancy.” [Porta M, Ed.
A Dictionary Of Epidemiology. New York: Oxford University Press; 2014.]
a. Endemic
b. Epidemic
c. Pandemic
d. Attack Rate
e. I N C U B A T I
O N Periodans: B
2. What Is The Most Accurate Definition Of The Incubation Period (Of An Infectious
Disease)?
a. The Time Of Onset Of Clinical Illness Or The Onset Of Recognizable Symptoms
b. The Interval From Receipt Of Infection To The Time Of Onset Of Clinical Illness (The
Onset Ofrecognizable Symptoms)
c. The Time Of Invasion By An Infectious Agent
d. The Time Between Initiation Of Infection And First Shedding Or Excretion Of The Agent
e. The Period Between Exposure And The Onset Of
Infectiousnessans: B
The Incubation Period Is Defined As The Interval From Receipt Of Infection To The Time
Of Onset Of Clinical Illness (The Onset Of Recognizable Symptoms); In Other Words, The
Time Between Themoment Of Developing Symptoms And The Moment Of Invasion By An
Infectious Agent. “The Time Of Onset Of Clinical Illness Or The Onset Of
Recognizable Symptoms” Is Not True As It Corresponds To “Time Of Onset.” “The
Time Of Invasion By An Infectious Agent” Is Not True As It Corresponds To “Time
Of Infection.” “The Time Between Initiation Of Infection And First Shedding Or
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