Hlth 503 - Study guides, Class notes & Summaries
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HLTH 503 Quiz - Ratios, Proportions, and Rates (Liberty university)
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Quiz: Ratios, Proportions, and Rates 
Contains 25 multiple-choice and true/false questions. 
Score for this quiz: 75 out of 75 
Question 1 
3 / 3 pts 
The major disadvantage of crude rates is that: 
 they may not allow for comparison of populations that differ in size. 
 they do not permit comparison of populations that vary in composition. 
 they are difficult to calculate from available data sources. 
 all of the above 
Question 2 
3 / 3 pts 
True or False? When the duration of a disease becom...
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HLTH 503 WEEK 4 QUIZ 2024: EXPERIMENTAL STUDIES WITH COMPLETE SOLUTIONS-LIBERTY
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HLTH 503 WEEK 4 QUIZ 2024: EXPERIMENTAL STUDIES WITH COMPLETE SOLUTIONS-LIBERTY
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HLTH 503 UPDATED Exam Questions and CORRECT Answers
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An example of passive follow-up in cohort studies is: 
A. Telephone calls to study participants 
B. Use of follow-up mailings 
C. Use of written invitations to return to the study site 
D. Collection and maintenance of data by the federal governmentD. Collection and 
maintenance of data by the federal government 
A major advantage of cohort studies over case-control studies with respect to the role of a 
suspected factor in the etiology of a disease is that: 
A. It is easier to obtain controls...
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HLTH 503 Certification Exam Questions and CORRECT Answers
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What are all the internal organs of the abdomen called collectivelyViscera 
peritoneummembrane that lines the abdominal cavity (lines abdominal wall and covers 
visceral surface of most organs) 
The abdomen is divided into how many regions?4, RUQ, LUQ, LLQ, RLQ 
Midline organs of the internal abdomen anatomyaorta, uterus, bladder 
Organs in right upper quadrantliver, gallbladder, duodenum, head of pancreas, right 
kidney and adrenal, hepatic flexure of colon, part of ascending and transverse c...
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HLTH 503 TOP Exam Questions and CORRECT Answers
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The epidemiologic and clinical descriptions of a disease are different. True 
In current thinking, the term epidemic is used only to describe outbreaks of infectious 
disease. False 
The Framingham Heart Study, begun in 1948, pioneered research into coronary heart disease 
risk factors. True 
Which of the following activities characterizes a clinical approach (as opposed to an 
epidermiologic approach)? Description of specific signs and symptoms in a patient. 
Socrates popularized the notion ...
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HLTH 503 Key PASSED Exam Questions and CORRECT Answers
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True or False? Reliability refers to the ability of a measuring instrument to give consistent 
results on repeated trials, regardless of its accuracy.True 
A new screening test for Lyme disease is developed for use in the general population. The 
sensitivity and specificity of the new test are 60% and 70%, respectively. Three hundred 
people are screened at a clinic during the first year the new test is implemented. Assume the 
true prevalence of Lyme disease among clinic attendees is 10%. 
...
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HLTH 503 Week 6 Quiz 2024: Screenings with complete solutions-Liberty
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HLTH 503 Week 6 Quiz 2024: Screenings with complete solutions-Liberty
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HLTH 503 EPIDEMIOLOGY FOR PUBLIC HEALTH PRACTICE QUESTIONS AND ANSWERS
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HLTH 503 EPIDEMIOLOGY FOR PUBLIC HEALTH PRACTICE QUESTIONS AND ANSWERS
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HLTH 503 EPIDEMIOLOGY FOR PUBLIC HEALTH PRACTICE MIDTERM QUESTIONS AND ANSWERS
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HLTH 503 EPIDEMIOLOGY FOR PUBLIC HEALTH PRACTICE MIDTERM QUESTIONS AND ANSWERS
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HLTH 503 GLOSSARY LETTERS A - C PRINCIPLES OF EPIDEMIOLOGY IN PUBLIC HEALTH PRACTICE QUESTIONS AND ANSWERS
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HLTH 503 GLOSSARY LETTERS A - C PRINCIPLES OF EPIDEMIOLOGY IN PUBLIC HEALTH PRACTICE QUESTIONS AND ANSWERS
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