Intro to Pathophysiology

Question 1

Pathophysiology is…

Answer 1

the study of the underlying changes in the body’s physiology (molecular, cellular, and organ systems) that result from disease or injury

Question 2

compare and contrast signs and symptoms

Answer 2

Sign: objective alterations that can be observed or measured by another person

Symptom: subjective experiences reported by the person with the disease or illness

Question 3

What is etiology? and what are the different kinds?

Answer 3

etiology: the cause of disease
○ Idiopathic: disease that have no identifiable cause
○ Iatrogenic: disease that occur as a result of medical treatment
○ Nosocomial: disease that are acquired as a consequence of being in a hospital environment

Question 4

define pathogenesis

Answer 4

pattern of tissue changes associated with the development of disease

Question 5

define epidemiology

Answer 5

the study of tracking patterns or disease occurrence and transmission among populations and by geographical areas

Question 6

define incidence

Answer 6

the number of new cases occurring in a specific time period

Question 7

define prevalence

Answer 7

number of existing cases within a population during a specific time period

Question 8

which of the following clinical manifestation is not a sign?

a. blood pressure
b. nausea
c. red blood cell count
d. respiratory rate

Answer 8

b. nausea

nausea is known as a symptom as it cannot be objectively observed or measured by another person