Exam 3 Flashcards
What is Altruism?
Concern for the well-being of others
Give an example of human dignity
Not gossiping about patients
List the theories of aging
- Genetics
- Immunity
- Cross-linkage
- Free radicals
Explain the cross-linkage theory of aging
chemical reaction damages DNA causing cell death
Explain the free radical theory of aging
molecules with separated high-energy electrons harm nearby molecules
- focuses on cell metabolism & function
What is immunosenescene?
age-associated immune changes = increased infections cancer, autoimmune disorders
Development of Middle Adults
- Physiologic: gradual internal & external physioloigc changes occur
- Cognitive: little change from young to adulthood
- Psychosocial: time of increased personal freedom, economic stabillity, & social relationships
Which example is a developmental task of the middle adult?
a.) continue an established lifestyle or reorganize one’s life in a period of transition
b.) Adapt to, and face, already completed tasks
c.) Choose a vocation
d.) Develop an ethical system as a guide to behavior
a.) continue an established lifestyle or reorganize one’s life in a period of transition
Explain Erikson’s theory on older adults
- ego integrity vs. dispair & disgust
- Final stage of psychosocial development
- Contemplate accomplishments & develop integrity if lead a successful life
What are some myths of ageism?
- aging involves severe cognitive decline
- Urinary incontinence is normal
- Late life is lonenly and depressing
- Older people lose interest in sex
- Most older people do not live independently
Nursing care goals for the older adults
#1 Promote independent function
- support individual strengths
- prevent complications of illness
- secure a safe & comfortable environment
- promote return to health
SPICES tool to identify common problems in older adults
- Sleep disorders
- Problems with eating or feeding
- Incontinence
- Confusion
- Evidence of falls
- Skin breakdown
What is the function of the upper airway?
Warm, filter, & humidify air
Components of the upper airway
- nose
- pharynx
- larynx (vocal cords)
- epiglottis (covers windpipe)
What are the function of the lower airway?
- Air conduction
- Mucociliary clearance
- Production of pulmonary surfactant
Lower airway components
- trachea
- R & L mainstream bronchi
- segmental bronchi
- terminal bronchioles
- alveoli
Explain what a Nonrebreather mask is
Low flow rates, high concentration of O2
- mask on pt face, has reservoir bag below connected to O2
- prevents O2 from entering the mask
- for short term or emergencies
Explain what a simple mask is
low to moderate amount of O2
- holes prevent CO2 from entering mask
- Doesn’t deliver as high of an O2 concentration as non-rebreather
- safer in the case of a blockage
Explain what a venturi mask is
designed to deliver a fixed O2 concentration
- mixes O2 with inhaled air
Why don’t we use vasaline / petrolium jelly with an O2 mask?
it’s an accelerant
Explain the physics of breathing
As volume of lungs shrinks during exhalation, the pressure of the lungs increases (+) above that of the atmospheric pressure (-) & air moves out of the lunsg down the pressure gradient
Which phase of ventilation is inspiration?
Active
Which phase of ventilation is expiration?
Passive
Which respiratory organ is the site of gas exchange?
a.) Mediastinum
b.) Parietal pleura
c.) Alveoli
d.) Diaphragm
c.) Alveoli
The wall of each alveolus is made of a single-cell layer of squamous epithelium. The thin awll allows for exchange of gases within the capillaries covering the alveoli
What is perfusion?
The process by which oxygenated capillary blood passes through body tissues
List some potential alterations in the cardiovascular system
- dysrhythmia or arrhythmia
- myocardial ischemia
- angina
- myocardial infarction
- heart failure
What is the difference in ischemia & infarction?
ischemia = reduced blood flow to tissue
* can lead to pain
Infarctoin = end point of ischemia that results in tissue death
What are vesicular breath sounds?
low pitched = low on the chest
- heard during expiration heard over most of the lungs
low pitched = low on the chest
What are bronchiovesicular sounds?
medium pitch = heard in medium location on chest
- heard during expiration over the upper anterior chest & intercostal area
What are bronchial lung sounds?
high pitched = heard high in the chest
- longer sounds
- heard mainly over the trachea
What is the cause of angina?
reduced blood flow to the heart
angnia = chest pain
What is the cause of heart failure?
Heart muscle can’t pump enough blood to meet body’s needs for blood & oxygen.
Heart can’t keep up with its workload
What is the difference in wheezes & crackels?
Wheezes:
* continuous sounds
* heard on expiration & sometimes on inspiration as air passes through airways constricted by swelling, secretions, or tumors
* classified as sibilant (high [i]) or sonorous (low [o])
Crackles:
* intermittent sounds
* occur when air moves through airways containing fluid
* classified as fine, medium, or coarse
How are wheezes classified?
- sibilant (high)
- sonorous (low)
How are crackles classified?
- fine
- medium
- coarse
What is Tidal Volume (TV)?
total amount of air inhaled & exhaled in 1 normal breath
doesn’t require conscious effort
What is Vital Capacity?
maximum amount of air that can be expired after inspiration
What is Forced Vital Capacity (FVC)?
** maximum amount of air that can be FORCEFULLY exhaled after a full inspiration**
What is Forced Expiratory Volume (FEV …1…2…3)?
Volume of air exhaled at a specific interval
EX: after 1 second, 2 sec., 3 sec. after full inspiration
What is Total Lung Capacity (TLC)?
Volume of air contained in the lungs at maximum inspiration
What is Residual Volume (RV)?
Volume of air left in lungs at maximal expiration
What is Peak Expiratory Flow Rate (PEFR)?
Maximum flow attained during FVC (forced vital capacity)
What is atelectasis?
collapsed lung or incomplete expansion of alveoli
What are potential causes of atelectasis?
- Diminished breath sounds over collapse
- Dyspnea
- Cyanosis
- Crackles
- Restlessness
- Apprehension
atelectasis = collapsed lung (incomplete alveoli expansion)
What can be done to prevent atelectasis
- Incentive spirometry (IS)
- Coughing
- Getting out of bed (movement)
- Turning in bed
- Maintaining hydration
atelectasis = collapsed lung (incomplete alveoli expansion)
Which lung value is the amount of air contained within the lungs at maximum inspiration?
a.) vital capacity (VC)
b.) total lung capacity (TLC)
c.) residual volume (RV)
d.) peak expiratory flow rate (PEFR)
b.) total lung capacity (TLC)
- TLC = amount of air contained within the lungs at maximum inspiration
What is pneumonia?
inflammed alveoli
due to foreign material or infection
What are some of the signs & symptoms associated with pneumonia?
- Fever
- Cough
- Rusty or purulent sputum
- Chills
- Crackeles (fluid)
- Wheezes (obstructed airway from inflammation)
- Dyspnea
- Angina
Post-Operative Pulmonary Care Program
Incentive spirometry
Cough / deep breathing
Oral care
Uunderstanding (patient & staff education)
Get out of bed 3 times per day
Head of bed elevation
ICOUGH
In what instances / scenarios would a chest tube be placed?
- Surgery
- Trauma
- Pneumothorax
- Pleural Effusion
- Emphysema
- Chylothorax (lymph fluid in pleural space)
Where is a chest tube placed?
any of the 4 pleural spaces
R, L, anterior, or posterior pleural space
List the types of artificial airways
- oropharyngeal airway
- nasopharyngeal airway
- endotracheal tube
- tracheostomy
Is bubbling of a chest tube normal?
-
Intermittent Bubbling = Normal (when patient coughs or exhales)
-
Continuous Bubbling = ABNORMAL
* can indicate a leak
-
Continuous Bubbling = ABNORMAL
What is the goal of a vasodilator when given in a hypertensive crisis?
Lower the blood pressure by 25% in the first hour
What should the nurse do if a chest tube becomes disconnected from its drainage unit?
Submerge the end of the tube in sterile water
allows air to escape & prevents a pneumothorax
What part of the brain stem contains the respiratory center?
Medulla
What can emphysema result in or lead to?
DECREASED (-) lung compliance
compliance = change in volume in the lungs for given change in pressure
What are signs and symptoms of hyperkalemia?
KNOW THIS
- Bradycardia
- Contracted muscles (including the heart)
- Diarrhea
- Hypotention
BCDH
What are signs & symptoms of hypokalemia?
KNOW THIS
- Flushed skin
- Fever
- Polydipsia (excessive thirst)
- N/V
- Swollen tongue
FFPNS
What are signs & symptoms of hyponatremia?
KNOW THIS
- Coma
- Respiratory arrest
- Seizures
- Tachycardia
What is shock?
Body’s reaction to acute peripheral circulatory failure due to an abnormality of circulatory control or to a loss of circulating fluid
What is the difference in elective, urgent, & emergent surgery?
- Elective: delay has no ill effects / improve health or self-concept
- Urgent: usually done 24-48 hours, remove or rapir body part (cholecystectomy or amputation)
- Emergent: done immediately to preserve life (hemorrhage, tracheostomy)
What is palliative surgery?
Not curative
- reduce or releive intensity of disease
debride nectrotic tissue, arthroplasty, etc.
What are the 4 different types of anesthesia?
1.) General
2.) Moderate Sedation / Analgesia (conscious sedation)
3.) Regional
4.) Topical & Local Anesthesia
When is Moderate Sedation / Analgesia (conscious sedation) used?
for short-term, minimally invasive procedures
What are the 3 phases of general anesthesia?
1.) Induction: administration of anesthesia –> ready for incision
2.) Maintenance: incision –> near completion of procedure
3.) Emergence: starts when patient emerges from anesthesia & is ready to leave the OR
What is the difference in a living will & a durable power of attorney?
Living Will: patient makes choices before incapacitation
DPOA: patient appoints someone else to make decisions once incapacitated
Explain the surgical risks of medications
- Anticoagulants: hemorrhage
- Diuretics: electrolyte imbalances, respiratory depression from anesthesia
- Tranquilizers: increased hypotensive effects of anesthetic agent
- Adrenal Steroids: abrupt withdrawal may cause cardiovascular collapse
- Antibiotics in -mycin group: respiratory paralysis (when combined with ceratin muscle relaxants)
What are surgical risks associated with anticoagulants?
hemorrhage
What are surgical risks associated with diuretics?
- Electrolyte imbalances
- Respiratory depression (from anesthesia)
What are surgical risks associated with tranquilizers?
increased hypotensive effects of anesthetic agents
What are surgical risks associated with adrenal steroids?
abrupt withdrawal may cause cardiovascular collapse
What are surgical risks associated with antibiotics in the mycin group?
respiratory paralysis (when combined with certain muscle relaxants)
List some teachings nurses can perform pre-op to prevent post-op complications
- Deep breathing
- Coughing
- Incentive spirometry (IS)
- Leg exercises (to prevent clots)
- Turning in bed
- Early ambulation
List medication classes that are commonly used post-operatively
- Sedatives (xanax, lunesta, valium, klonopin, ativan)
- Anticholinergics (bentyl, benztropine, atropine, benadryl, glycopyrrolate)
- Narcotic analgesics (morphine, codeine, dilaudid, oxycodone, tramadol, fentanyl, hydrocodone)
- Neuroleptic agents (haldol, risperidone, aripiprazole (abilify))
- H2 receptor antihistamines (ranitidine & famotidine)
List medication classes that are commonly used post-operatively
- Sedatives (xanax, lunesta, valium, klonopin, ativan)
- Anticholinergics (bentyl, benztropine, atropine, benadryl, glycopyrrolate)
- Narcotic analgesics (morphine, codeine, dilaudid, oxycodone, tramadol, fentanyl, hydrocodone)
- Neuroleptic agents (haldol, risperidone, aripiprazole (abilify))
- H2 receptor antihistamines (ranitidine & famotidine)
What post-op assessments & interventions should be done every 10 - 15 minutes?
- Respiratory Status (airway, pulse ox)
- Cardiovascular Status (BP)
- Temperature
- CNS Status (level of alertness, movement, etc.)
- Fluid Status
- Wound Status
- GI Status (N/V)
- General Condition
What are potential post-op cardiovascular complications that can arise?
- Hemorrhage
- Shock (low BP)
- Thrombophlebitis (irritation of vein due to clot)
- Pulmonary Embolus (disloged clot travels to lung)
What actions should be taken when hemorrhage or hypovolemic shock is expected?
- Pressure dressing
- Contact surgeon or rapid response team
- prepare patient to return to the OR for stabilization
What are signs & symptoms of a PE?
- Dyspnea
- Tachycardia
- Anxiety
What are signs & symptoms of thrombophlebitis?
- Erythema
- Edema
- Elevated temperature
- Pain / cramping in the calf
- Increased limb diameter