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homeostasis
body’s steady state
homeostasis is monitored by ______________ __________ _________
negative feedback loops
how can we asses homeostasis?
vital signs and electrolytes
heart rate is also known as _________
pulse
pulse is counted over __________ ______
one min
normal pulse rate: ___________ to ___________ (________)
60 - 100 (bpm)
normal children pulse rate: _________ to __________ (________)
70 - 120 (bpm)
tachycardia
elevated heart rate (>100 bpm)
bradycardia
depressed heart rate (<60 bpm)
ascultation; ___________ pulse; taking a stheoscope between the _______ and ________ ribs and ___________ for the heart sound
apical; 5th and 6th; listening
we can also get a pulse through a _________ _________ and/or ___________
pulse oximeter, EKG
pulse oximeter coverts _____________ into ____________ ________ and ___________ rate values
light, oxygen saturation; pulse rate values
what is normal body temperature?
98.6 F
_________________ regulates body temperature
hypothalamus
hypothermia
body temp below 95 F
hyperthermia
body temp above 99.5 F
thermoregulation
bodys maintenance of heat production and heat loss
respiration rate
rhythmic exchange of gases through the lungs
normal respiration rate
12 - 16 breaths per min
normal children respiration rate
20 - 30 breaths per min
tachypnea
>20 breaths per min
bradypnea
<12 breaths per min
dyspnea
difficult breathing
apnea
no breath
blood pressure
lateral pressure exerted on the walls of the arteries by blood flowing through the arteries
systolic pressure
heart is squeezing; first sound; less then 120 mm Hg
diastolic pressure
heart is dilated, last sound, 80 mm Hg
normal BP range
90/60 to 120/80
hypertension: _____________ BP, can lead to ___________ ___________
elevated, heart disease
hypotension: _____________ BP, can lead to ___________
decreased, shock
oxygen is a _____________
therapy
oxygen plays a critical role in efficient _____________ ____________
cellular metabolism
oxygen is supplied as ____________% in room air
21%
oxygen is classified as a _____________
drug
oxygen is prescribed as _________ per __________
liters per minute
____________ is the universal color for oxygen
green
the nasal cannula is inserted directly into the patients nostrils and has a minimum flow rate of ________ and maximum of _________ L/min
0.5, 6
oxygen masks must be set at a minimum flow rate of ________ L/min to prevent the build up of exhaled ___________ ____________
6; carbon dioxide
a non-rebreathing mask is for _________ flow rates, and is for ________ to _________ L/min
high, 15-16 L/min
aproximately ___________ of all patients in patient care settings recieve oxygen at some level
1/3
hypoxia: ___________ _________ oxygen at the __________ level
too little, cellular
tissues that are most sensitive to hypoxia include the _____________, _________ cells, ___________ and ___________
heart, brain cells, lungs and liver
signs of hypoxia include: _____________, inability to _____________, LOC, ____________, _____________
restlessness, concentrate, fatigue, dizziness
with hypoxia there is ________________ BP, respiratory rate, and HR. the body is working ____________, so the patient may be ___________
increased, harder, SOB
for low to medium concentration of oxygen you may use a ____________ ___________ or __________ _____________
nasal cannulua or face mask
for high concentration of oxygen you may use a __________ ______________ mask
non rebreather
chest tubes are _________________ inserted through the ___________ to remove ___________ or __________
catheters, thorax, fluid or air
chest tubes are inserted into the __________ ___________
pleural space
when there is fluid in the pleural space, the lung can ____________
collapse
conditions that require a chest tube: ___________, _______________, _____________
hemothorax, pneumothorax, empyema
tracheostomy is an ____________ _____________ into the ___________
artifical opening into the trachea
tracheostomy ____________ the upper airway and breathing occurs through this passage
bypasses
the upper airway ___________, ___________, and ___________ the air. so with a tracheostomy, air must be suctioned to remove the ____________ from tube
warms, cleans, and moistens, mucous
_________ bag allows to ____________ via the trach
ambu, ventilate
decannulation is the ___________ of the __________
removal of the cannula
ECG is the graphical recording of the ___________ ___________ of the ____________
electrical activity of the heart
each of the specific placements is called a __________
lead
P wave
depolarization of atria
QRS complex
depolarization of the ventricles
T wave
repolarization of the ventricles
normal sinus rythmn
60-100 bpm
sinus bradycardia
<60bpm
sinus tachycardia
>100 but <150 bpm
sinus arrhythmia
60-100 bpm but irregular rythmn
pre-ventricular contraction is _________, __________ heartbeats begin in the ____________
extra, abnormal, ventricles
atrial fibrillation
irregular rapid atrial depolarization
ventricular fibrillation
complete disruption of normal heart beat
esophagus, stomach, upper small intestine (duodenum)
upper GI
small intestine, ileum, large intestine (colon, rectum)
lower GI
NG is inserted through the _________, down the __________ and into the _________
nose, esophagus, stomach
NG tubes ___________ fluid and gas, ____________ mechanism, __________ ____________
remove, feeding, prevent pressure
dubhoff tube is ___________ and used for __________ and _____________
temporary, feeding and medications
peg tube is more _____________ and inserted into the _____________ and used for ____________ and ______________
permanent, stomach, feeding and medications
ostomies
artifical opening for elimination of body waste
stoma
surgical opening made in abdominal wall
disease: any ____________ from the ____________ ______________/_____________ of any part of the body
deviation from the normal structure/function
disease is caused by _____________
microorganisms
infection: ________________ of a _______________ on or in a __________
establishment of a microorganism on or in a host
infections are caused by ____________ _____________
pathogenic organisms
pathogens have three functions: ___________, ________ __________, secrete ______________
multiple, tissue damage, secrete endotoxins
types of pathogens:
bacteria, fungi, viruses
single celled, prokaryotes, DNA and RNA
bacteria
example of bacteria
MRSA, sepsis
single celled, cannot live outside of cell, DNA OR RNA, not affected by antibiotics
virus
common viruses
common cold, flu, covid-19, HIV/AIDS
eukaryotic, larger, yeast and molds
fungi
common fungi
candidiasis, ringworm, athletes foot
eukaryotic, large, neither plant nor animal
parasitic protozoa
establishment of disease process (EESMDO)
ecounter, entry, spread, multiplication, damage, outcome
ingestion of pathogens from contaminated food or water
oral
transmission through living organisms
vector
transmission through inaminate objects
fomite
blood borne pathogens
disease causing microorganisms present in blood
example of blood borne pathogen
HIV and HBV
HIV infects immune system and ___________ cells, responsible for AIDS
TD4
HIV symptoms
weight loss, muscle pain, night sweats
HIV symtpoms can remain __________
latent
HBV affects the __________
liver
symptoms of HBV
weakness fartigue, anorexia, nasuea, fever
HBV blood test positive after _______ to __________ weeks, pateitns can reocver after 6-8 weeks, but blood test will always show they were exposed
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