P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
Pathophysiology BIOD 331 Module 1
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102 QUESTIONS
DOCUMENT OVERVIEW
This document contains 102 verified questions with correct answers related to pathophysiology. Each
question is paired with an accurate answer, providing comprehensive explanations of key concepts in the
subject area. It is suitable for study, review, and certification preparation, ensuring students have a reliable
resource for mastering essential material.
CONTENTS
• Pathophysiology Basics • Cell Structure and Function
• Cell Communication • Transport Mechanisms
• Tissue Types and Changes • Cell Injury and Death
• Genetics and Nucleus
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 102
What is the definition of "pathophysiology"?
CORRECT ANSWER
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.
Q2 QUESTION 2 OF 102
Name the 5 etiologic factors and give an example if listed.
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, CORRECT ANSWER
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.
Q3 QUESTION 3 OF 102
What are the 2 types of risk factors?
CORRECT ANSWER
Congenital: present at birth
Acquired: occur after birth
Q4 QUESTION 4 OF 102
What is the difference between morphology and histology?
CORRECT ANSWER
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.
Q5 QUESTION 5 OF 102
Describe the difference between signs and symptoms and give an example of each.
CORRECT ANSWER
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.
Q6 QUESTION 6 OF 102
What are 3 important processes when coming to a diagnosis?
CORRECT ANSWER
Patient history, diagnostic testing, and a physical examination.
Q7 QUESTION 7 OF 102
Explain validity, reliability, sensitivity, and specificity.
CORRECT ANSWER
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
Q8 QUESTION 8 OF 102
What is the difference between incidence and prevalence?
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, CORRECT ANSWER
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.
Q9 QUESTION 9 OF 102
Define mortality and morbidity.
CORRECT ANSWER
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.
Q10 QUESTION 10 OF 102
Define primary, secondary, and tertiary prevention and give an example of each.
CORRECT ANSWER
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.
Q11 QUESTION 11 OF 102
Why is evidence-based practice important?
CORRECT ANSWER
Evidence-based practice is important because medical professions follow up-to-date information and studies in order to treat diseases. This ensures
that new treatment options are followed, preventing physicians from using outdates practices that no longer benefit the patient.
Q12 QUESTION 12 OF 102
What is heterophagy?
CORRECT ANSWER
Digestion of a substance phagocytosed (ingest or engulf) from outside of the cell
Q13 QUESTION 13 OF 102
What protein subunits are microtubules made of?
CORRECT ANSWER
Tubulin
Q14 QUESTION 14 OF 102
What helps cells stick to each other?
CORRECT ANSWER
A hydrophilic head in the plasma membrane
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