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pathophysiology
study of disease and injury
changes in physiology of the body
pathology
laboratory study of cells and tissues
disease
disruption in homeostasis
mental, physical, social
homeostasis
tendency to maintain an equilibrium
steady state of internal chemical and physical conditions
in the body:
normal ranges in body
7.35-7.45
what homeostatic functions occur when your body temperature falls
Blood vessels constrict so that heat is reserved
Sweat glands do not secrete fluid
Shivering generates heat which warms the body
what homeostatic functions occur when your body temperature rises
Blood vessels dilate, resulting in heat loss
Sweat glands secrete fluid
As the fluid evaporates, heat is lost from the body
intrinsic factors that can lead to disease
over/underproduction of insulin
genes
immunity
age
gender
extrinsic factors that can lead to disease
bacterial (can be intrinsic or extrinsic) or virus or fungi which live outside the body, but when they enter the body, it causes problems
bacteria
viruses
injury
behaviors
stressors
signs are ____, while symptoms are_____
objective, subjective
process of disease
identification, occurence, diagnosis, etiology, prognosis
etiopathic
name for disease that we donāt knwo why or what is causing it
etiology
cause of disease
prognosis
likelihood of recovery path of the disease
stages of disease
exposure and incubation
onset
remission
convalescence
incubation period
Time between infection and appearance of first symptoms(Hours to years)
onset
sudden - acute, started all at once (asthma, heart attack)
insidious - slow and gradual (slow GI bleed)
latent - disease not active but lies awake (chickenpox)
prodromal - āfeelingā person is about to get sick, signs that something is brewing
manifestations - signs and symptoms
remission of disease
disease no longer active
convalescence
gradual recovery from disease
types of disease
idiopathic - unknown cause, might have theories but donāt know
iatrogenic - caused by some treatment, medical cause
exacerbation - worsening of disease, acute decline in personās chronic disease (asthma attack)
hypo-
below, under
hyper-
above, over
-penia
deficiency
-cytosis
cells or increase in cells
-osis
process or condition, production or increase, invasion or infection
-itis
inflammation
-pathy
problem of disease or suffering
tachy-
rapid
brady-
slow
question to ask if someone has a cough
acute or chronic
allergies
smoking
medications
sputum production or dry
other symptoms
assessments if person has a cough
lungs and heart
common cough symptoms
pain
headache
swelling/edema
fever
fatigue
weight loss