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Pathophysiology - BIOD 331 - Module 1 Questions & 100% Correct Answers

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What is the definition of "pathophysiology"? :~~ Pathophysiology is defined as not only the cellular and organ changes that occur with disease, but also the effects that these changes have on total body function. Name the 5 etiologic factors and give an example if listed. :~~ Etiologic fac...

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  • September 9, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIOD331
  • BIOD331
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1 | P a g e | © copyright 2024/2025 | Grade A+




Pathophysiology - BIOD 331 - Module 1
Questions & 100% Correct Answers
What is the definition of "pathophysiology"?

✓ :~~ Pathophysiology is defined as not only the cellular and organ changes

that occur with disease, but also the effects that these changes have on

total body function.




Name the 5 etiologic factors and give an example if listed.

✓ :~~ Etiologic factors are the causes of a disease.

1. Physical forces: trauma, burns, etc

2. Chemical agents: poisons, alcohol

3. Biological agents: bacteria, viruses

4. Genetic predisposition: inherent genes from both parents but you don't

necessarily develop the disease but are predispositioned to it

5. Nutritional excess or deficiencies: Iodine deficiency can lead to hypothyroidism.

Nutritional excess in carbohydrates can lead to irritable bowel syndrome.




What are the 2 types of risk factors?

✓ :~~ Congenital: present at birth

Acquired: occur after birth




Master01 | September, 2024/2025 | Latest update

, 2 | P a g e | © copyright 2024/2025 | Grade A+


What is the difference between morphology and histology?

✓ :~~ Morphology is defined as the fundamental structure or form of cells or

tissues. Histology is the study of the cells and extracellular matrix of body

tissues.




Describe the difference between signs and symptoms and give an example of each.

✓ :~~ These both relate to manifestations of a disease. Signs is an objective

manifestation while symptoms are a subjective complaint. Signs are

apparent to the physician, symptoms are apparent to the patient.




What are 3 important processes when coming to a diagnosis?

✓ :~~ Patient history, diagnostic testing, and a physical examination.




Explain validity, reliability, sensitivity, and specificity.

✓ :~~ Validity: how a tool measures what it is intended to measure i.e. the

correct tool to do the job, such as using a blood pressure cuff to measure

blood pressure

Reliability: likelihood of yielding the same result of a test, usually dependent on

someone's experience and skill level

Sensitivity: proportion of people with a disease who test positive

Specificity: people without the disease who test negative for it




Master01 | September, 2024/2025 | Latest update

, 3 | P a g e | © copyright 2024/2025 | Grade A+


Define epidemiology and name some things that it tracks.

✓ :~~ Epidemiology is the study of disease occurrence. It tracks the health of

a community by tracking age, race, nutritional habits and locations.




What is the difference between incidence and prevalence?


✓ :~~ Incidence is the number of new cases in the population at a given time,

prevalence is the number of cases that exist in the population at a given

time.




Define mortality and morbidity.


✓ :~~ Mortality is the reason for death in a population. Morbidity is the effect

of the illness on someone's life, as it pertains to their quality of life.




Define primary, secondary, and tertiary prevention and give an example of each.

✓ :~~ Primary prevention is what a person does to prevent a disease from

occurring, for example eating healthy and exercising.

Secondary prevention is aiming to detect and treat diseases when they are either

still curable or asymptomatic. An example of this is a colonoscopy

Tertiary prevention is when a disease is diagnosed and clinical interventions

happen to cause further complications. For example, using medication to reduce

the risk of future heart attacks.




Master01 | September, 2024/2025 | Latest update

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