HOSA- Epidemiology Practice Test Latest Update 2024-2025 Questions and 100% Verified Correct Answers Guaranteed A+ A community agency is putting together an exercise program for senior women to help
in the prevention of osteoporosis. This would be an example of:
- Primary prevention
- Secondary Prevention
- Passive Prevention
D) Tertiary prevention - CORRECT ANSWER: A) Primary prevention
A graph of three different age groups identifying a pattern of a disease over a period of
several years is an example of:
- Common source epidemic
- Point source epidemic
- Secular trend
D) Cyclic fluctuation - CORRECT ANSWER: C) Secular trend
A hypodermic needle with blood infected with the Hepatitis A pathogen is shared
among injection drug users. This would be an example of a:
- Vehicle
- Fomite
- Vector
D) Contaminant - CORRECT ANSWER: A) Vehicle
A long term care facility that houses 80 residents has an outbreak of adenovirus. Of those redience, 24 (or 0.3) of the residents have been infected. This is an example of:
- Count
- Rate
- Ratio
D) Proportion - CORRECT ANSWER: D) Proportion
A study in which children are randomly assigned to receive either a newly formulated vaccine or the currently available vaccine, and are followed to monitor for side effects and effectiveness of each vaccine, is an example of which type of study?
- Observational
- Clinical trial
- Cohort
D) Case-control - CORRECT ANSWER: B) Clinical Trial
A study was conducted in which 5,763 British children were recruited who had either received or not received the measles-mumps-rubella vaccination. These children were then followed over a 10 year period to see if there was any development of a pervasive development disorder (e.g. autism and Asperger's syndrome). This is an example of what type of study? 1 / 2
- Ecological
- Cohort
- Case-control
D) Clinical trial - CORRECT ANSWER: B) Cohort
An agent must be present for an infection to occur.
- True
B) False - CORRECT ANSWER: A) True
An environmental public health student doing an internship with a local health department in Northeast Ohio is accidentally bitten by raccoon and possibly infected with rabies during a summer interm-75ternship. The raccoon in this instance is an
example of:
- Nuisance
- Vehicle
- Vector
D) Fomite - CORRECT ANSWER: C) Vector
An example of active prevention of disease is?A)Fluoridation of water B)Creating fire resistant clothes for babies and children C)Using a seatbelt while riding in a vehicle D)Equipping cars with air bags - CORRECT ANSWER: C)Using a seat belt while riding in a vehicle
An experimental study design is appropirate if the exposure you are studying is race.
- True
B) False - CORRECT ANSWER: B) False
An exposure associated with a disease is known as:
A)Effect B)Cause C)Disease rate
D)Risk factor - CORRECT ANSWER: D)Risk Factor
An industrial town along the shore of Lake Michigan is known for having poor air quality due to factories and shipping industry near residential areas. This would be an example of what kind of descriptive variable?A)Environmental B)Demographic and Social C)Community Infrastructure
D)Health related outcomes - CORRECT ANSWER: A)Environmental
An IV machine is place in the room of a patient with c-diff. The monitor is not properly cleaned after its use in this room, leading to infection in a separate patient. This monitor
is an example of a: A) Vector
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