Gordis Epidemiology 6th Edition Study Guide | Practice Questions & Detailed Answers | Celentano & Szklo | 2026 Exam Prep

Test Bank For Gordis Epidemiology
7th Edition By David D Celentano; Moyses Szklo
Chapters 1 - 20 Complete

,TABLE OF CONTENTS

Chapter 1 Introduction
Chapter 2 The Dynamics of Disease Transmission
Chapter 3 The Occurrence of Disease
Chapter 4 The Occurrence of Disease
Chapter 5 Assessing the Validity and Reliability of Diagnostic and Screening Tests
Chapter 6 The Natural History of Disease
Chapter 7 Observational Studies
Chapter 8 Cohort Studies
Chapter 9 Comparing Cohort and Case-Control Studies
Chapter 10 Assessing Preventive and Therapeutic Measures
Chapter 11 Randomized Trials
Chapter 12 Estimating Risk
Chapter 13 More on Risk
Chapter 14 From Association to Causation
Chapter 15 More on Causal Inference
Chapter 16 Identifying the Roles of Genetic and Environmental Factors in Disease Causation
Chapter 17 Using Epidemiology to Evaluate Health Services
Chapter 18 Epidemiologic Approach to Evaluating Screening Programs
Chapter 19 Epidemiology and Public Policy
Chapter 20 Ethical and Professional Issues in Epidemiology

,Chapter 01: Introduction
Celentano: Gordis Epidemiology, 7th Edition Test Bank
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MULTIPLE CHOICE FG




1. Which of the following is an example of tertiary prevention?
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a. Vaccination for rotavirus for children younger than the age of 1 year
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b. Surgical amputation of an extremity with osteosarcoma (bone cancer)
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c. Screening for gestational diabetes after 24 weeks of pregnancy
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d. Sexual education program in elementary schools
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e. Increasing taxes for buying FG FG FG




FG cigarettesANSWER: B G
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Surgical amputation of an extremity with osteosarcoma (bone cancer) is an example in
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which when a disease is present the treatment (amputation) is done to reduce the
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impact of disease by preventing the tumor from dissemination. Vaccination for rotavirus
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for children younger than the age of 1 year, sexual education program in elementary
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schools, and increasing taxes for buying cigarettes represent examples of primary
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prevention. Screening for gestational diabetes after 24 weeks of pregnancy is an example
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of secondary prevention.
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2. This historic character observed that childbed fever mortality more common among women
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treated by physicians and medical students compared with women treated by midwives.
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Based on his observations, he implemented a hand wash policy that resulted in adecrease
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in mortality.Name the character that we are talking about.
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a. John Snow FG



b. Edward Jenner FG



c. D.A. Henderson FG



d. Leon Gordis FG



e. Ignaz

FG Semmelweis

ANSWER: E
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Ignaz Semmelweis identified that medical students and physicians transmitted the disease
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bynot washing their hands after examining bodies at autopsies and conducting multiple
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examinations in the clinic.
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3. Thanks to the contributions of Edward Jenner, the following disease was eradicated
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laterby efforts organized by D.A. Henderson:
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a. Cholera
b. Smallpox
c. Chickenpox
d. Polio
e. Zika

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