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TEST 2
Ventilation and Transport
104
Pharmacology
Undergraduate 3
10/01/2013

Additional Pharmacology Flashcards

 


 

Cards

Term
Types of bronchodilators
Definition
B2 adrenergic agonists
Methylxantines
Anticholenergics
Term
B2 Adrenergic agonist- drugs types
Definition
Short acting- Albuterol and levablbuterol (Xopenex)
long acting- salmeterol (proventil) and Advair
Term
Benefits of albuerol
Definition
Rescue inhaler
Term
Benefits of Salmeterol and Advair
Definition
Maintainance inhaler- prevents excerise induced asthma
Term
B2 adrenergic agonist MOA
Definition
beta 2 receptors promote bronchodilation: relieves spasms, suppresses hisamine release and increases ciliary motility ( get the crap up and out)
Term
Inhaled vs Oral B2 A/A's
Definition
Inhaled= less systemic effects- limited absorption
Oral+ longer duration of action- more systemic side effects-- effects B1 receptors causing increased heart rate and "jitters"
Term
B2 A/A drug drug interactions
Definition
MOA inhibitors-- prolong sympathetic activation
B- blockers- inhibit activity (essentially be canceling each other out)
Term
B2 A/A patient education
Definition
Limit caffiene
Immediately report difficulty breathing, heart palitations, tremor, vomiting, nervousness and vision changes
Limit use of OTV sympathominmetics(sudafed and Afrin)
Term
Properties of Methlxanthines
Definition
chemically related to tea
used for hard to treat asthma
Term
Methylxanthines MOA
Definition
CNS excitation
BRONCHODILATION
Cardiac stimulation, vasodialtion and diuresis
Term
Methylanthines- Prototype
Definition
Theophylline
Term
Theophylline properties
Definition
narrow margin of safety
only for long term oral prophylaxis of persistant asthma (noctural) or COPD
Term
Theophylline Adverse Effects
Definition
nausea, vomiting and CNS stimulations- dysrhythmias at high doses
Term
Theophylline Patient Education
Definition
Never EVER double up
toxic effect when dose too high
Term
Anticholinergic MOA
Definition
improve lung fuction by blocking muscarinic receptors in bronchi-- bronchodilation
Term
Anticholinergic prototype
Definition
ipratopium (Atrovent)
Term
Ipratopium Side Effects
Definition
dry mouth, irritation of pharynx (decrease SLUDD)
Term
Combination Bronchodialation Therapy
Definition
Ipratopium and albuterol- combined in a MDI canister
B2 A/A and anticholinergic= optimal outcome
Term
Types of Anti-inflammatories
Definition
Glucocorticoids
Mast Cell Stabilizers
Leukotriene modifiers
Monocional antibody to IgE
Term
Glucocorticoid MOA
Definition
Reduce symptoms by suppressing inflammation which reduces bronchial activity
Decrease airway mucus and edema
Increase # of B2 receptors and responsiveness to B2 agonist (more receptors- increased efficacy and increased result)
Term
Glucocorticoid Prototypes
Definition
Inhaled (Pulmicort, aerobid, flovent)
Oral-- given as supplemental to inhaled forms in times of stress- (Prednisone)
Term
Glucocorticoid side effects
Definition
increased susceptibility to infections, adrenal crises in abrupt withdrawal
Cushing's
Hyperglycemia
oesteoporosis
oral candidiasis
peptic ulcer disease
Term
Glucocorticoid Patient Education
Definition
do not stop abruptly, monitor blood glucose for diabetes (increase gluco genesis and erduce glucose utilization)
impaired wound healing
Term
Mast Cell Stabilizers Prototypes
Definition
Cromolyn and Tilade(longer half life)
Term
Mast cell function in the body
Definition
reservior for histamine in the connective tissue
Term
Use of Mast Cell Stabilizers
Definition
Asthma prophylaxis-- not for acute attacks- may take weeks to reach therapeutic effect- short half life--- may have to take 4-6x a day
Term
Mast cell stabilizer side effects
Definition
Burning of nasal mucosa, irration of the throat and nasal congestion
RARE-- bronchospasm and anaphylaxis
Term
Leukotriene Modifiers- Prototype
Definition
Singulair
Term
Leukotriene Modifiers MOA
Definition
Suppress leukotriene to reduce bronchoconstriction, musus production and airway edema
Term
Leukotriene Modifier Use
Definition
prophylaxis and maintenance
Term
Leukotriene Modifier Education
Definition
do not take tylenol or drink alcohol
Term
Corticosteroids- Inhaled vs Oral
Definition
Inhaled- first line therapy for asthma- very safe- Adverse effects: horseness and speaking difficulty
Oral- reserved for patients with severe asthma because of potential toxicity only when symptoms cannot be controlled with safer medications. Adverse effects: adrenal suppression (decrease the cortex ability to make glucocorticosteroids on its own), osteoporosis, hyperglycemia, peptic ulcer disease and suppression of growth in young patients
Term
Salmeterol and Formoterol
Definition
Both are long acting B2 agonist
Dosing is normally q12h
If a bronchodilators is needed in btwn use a rescue inhaler
Used for patients who experience long and frequent attack
Term
Cromolyn MOA and Uses
Definition
Stabilizes mast cells which inhibit release of histamine and other inflammatory mediators
- management of chronic asthma
- prophylaxis of exercise induced
asthma
-prevention of allergen- indicted
attacks
Term
Singulair MOA and Uses
Definition
Prevent leukotriene effects, suppressing inflammation, bronchoconstriction, airway edema and mucus production
- long term therapy of asthma
- prevent exercise- induced asthma
Term
Therapeutic Advantages of Inhalation Therapy
Definition
Enhanced therapeutic effects because of direst delivery to the site
Systemic effects are MINIMIZED
Relief of acute attacks is RAPID
Term
Guaifenesin
Definition
reduces the viscosity of secretions by increasing respiratory tract fluid; not usually for asthma, but for upper respiratory tract infection; could be used in asthma and COPD because mucus is a problem
Term
Side effects of anticholinergics
Definition
Anti- SLUDD- increases heart rate
Term
Antihistamine- high or low affinity?
Definition
High affinity-- bumps off histamine off the receptor to fill its place, stopping the effects of histamine- bronchodilation and decrease production of mucus
Term
Epinephrine action and category
Definition
Catecholamine- sympathetic nervous system released from adrenal medulla- only one synapse fight, flight, fright, fornicate
Works on alpha and beta receptors
Bronchodilation
Term
Themes of antimicrobials
Definition
- Right drug for the right bug
- right time of day for the right lenght of time (compliance and adherence decreases risk of resistance-- maintaining a therapeutic index)
**resistance and tolerance**
Term
Resistance vs. tolerance
Definition
resistance- drug doesnt work
tolerance- need more of the drug to get the same effect
Term
How to prevent resistance
Definition
-antiboditic only when needed
-narrow spectrum agents are preferable
-use older drugs first
-tell patient to finish all meds
Term
What is surfactant?
Definition
prevents alveoli from completely collasping by decreasing surface tension- reduces work
comination of large surface area and surfacant faciliates gas exchange
Term
Diameter and resistance relationship in the bronchioles
Definition
small change in diameter results in large increase in resistance- narrowed airwas cause major respiratory problems because resistance is increased (diameter controlled by parasympathetic nervous system)-- contraction
Term
Signs and Sypmtoms for asthma
Definition
Wheezing- mucus + constriction= harder to get air through
On exhalation, increased intrathoracic pressure closes bronchial lumen
Breathlessness, chest tightness and cough
--infilration and activation of inflammatory cells to release mediators to produce inflammation and bronchial reactivity
Term
What is shock? 3 things that happen
Definition
Imbalance between oxygen supply and requirements at the cellular level
Time sensitive because there is no cellular respiration going on and cells are dying
1. bronchial constriction
2. airway contriction
3. circulatory collapse
Term
Shock treatment (drugs)
Definition
B-agonist-epi-dilates bronchioles
Cortiosteriods- solumedrol- decreases inflammation
Bronchodilators
Antihistamine- gets rid of the histamines duh
Term
Urtcaria vs anaphylaxis
Definition
both are drug allergies
Urtcaria is localized (hives)
Anaphylaxis is systemic and emergent
Term
Etilogy of COPD
Definition
progressive, irreversible disorder hat restricts airflow in the lungs
--smoking is a big cause
Term
Signs and symptoms of COPD
Definition
Chronic cough, excessive sputum, wheezing, dyspnea, and poor exercise intolerance- barrel chest and clubbing
Term
COPD drugs
Definition
Bronchodilators
Corticosteriods
Leutrotriene Modifiers
Expectorants and mucolytics
Term
Pt. teaching about tuberculosis meds
Definition
Need to take all meds
DOT
Drugs hepatotoxic- do not drink alcohol or tylenol
Term
Drugs for Tuberculosis and side effects
Definition
Isoniazid-for treatment and prophlyaxis- side effect- peripheral neuropathy and hepatotoxicity
Rifampin- hepatotoxicity and discoloration of bodily fluid
Pyranzinamide- hepatotoxicity
Ethanbutol- optic neuritis
Term
Why treat TB with multidrug regimen?
Definition
greater efficacy and dcreased resistance-- decreased risk of resistance and reduce the incidence of relapse
Term
Prevention of drug resistant TB
Definition
adequate drug therapy (multiple drugs)- correct treatmetn, dosage, DOT, regimen needs to contain the right drugs
Term
Nursing interventions for pneumonia
Definition
drugs
keep away from crowds
rest-- pain management
hydrate
vaccinate
monitor respiratory status
Term
Allergic Rhinitis- meds
Definition
Benedryl
antihistamines
Nasal glucocorticiods- pulmicort, flovent
Cromolyn- nasal- suppresses bronchial inflammation
Sympthaomietics/Alpha adrenergic agonist
Anticlolingerics- nasal- atrovent and spiriva
Antileukotrienes
Term
What are histamines
Definition
endogenous mediator of inflammation
potent vasodilator and causes bronchoconstriction and mucus production
Term
what do anti-histamines do
Definition
work on histamine receptors to block their actions and suppress inflammatory reactions- used for allergic reaction
Term
What really is cystic fibrosis
Definition
obstruction disorder
hypersecretion of thick mucus that obstructs exocrine glands and ducts
--affects primary lung broncials and pancreatic ducts
autosomal recessive disorder (25% of both parents are hetero)
Term
drug therapy for cystic fibrosis
Definition
high dose anitboditics and bronchodialators
Term
Salmeterol used for what kind of asthma
Definition
exercise induced
Term
Contradictions for non-selective adrenergic agonist
Definition
hits alpha, beta 1 and beta two
Not good with cardiac patients
Term
What is selective toxicity
Definition
the ability for the drug to kill microbials that its supposed to
Term
Why can't catecolemines be given orally?
Definition
they are metabolized too quickly
Term
Hematopoesis-- concepts
Definition
all the cells that circulate in the body
stem cell doesnt know what it wants to be
-in bone marrow
-AKA undifferentiated
Can be a lymphoid or myloid to erythrocyte
Term
Erythropoeisis what is it and why is it produced?
Definition
making red blood cells
kidney senses low O2 in the blood and it secretes eryrthopoietin which in turn stimulates bone marrow to make RBCS
Term
Origin of RBC
Definition
Bone marrow-- mast cells differentiate into reticulocytes
Term
Lifespan of RBC
Definition
120 days- 4 months- dead ones removed by the spleen
Term
Why do sickle cells die faster?
Definition
because they have weaker membrane- lose flexibility because of shape and die faster
Term
Function of RBCs
Definition
transport O2 via HGB (carries 4)
contribute to viscosity
Term
Morphological description of RBCs
Definition
flexible biconcave- allows RBC to fit through various blood vessels throughout the body
Term
Recipe for erythropoetin
Definition
Protein- kitchen
Bone marrow- oven
INGREDIENTS-- iron, folic acid, B12,B2,B6
Term
Why are transfusions so important?
Definition
because it takes 2-3 weeks to make more if you lose some
Term
Link btwn hemolysis and jaundice
Definition
at the end of hemolysis the end product is unconjugated bilirubin that attaches to plasma molecule and transported to the liver- if there is an excess in hemolysis there will be jaudice because the liver can not conjugate fast enough
Term
Bilirubin is what?
Definition
product of lysed RBC
old and injured RBCs are deposited in the spleen and split
unconjugated are sent to the liver were it is conjugated and is excreted in bile and urine
Term
RBC lab value (M&W)
Definition
4.2-5.4=W
4.7-6.1=M
Term
Hbg lab value (M&W)
Definition
12-16=W
14-18=M
Term
Hct lab value (M&W)
Definition
37-47%=W
42-52=M
(3x Hbg)
Term
Reticulocyte lab
Definition
0.5%-2% of the RBC count
Term
General effects of anemia
Definition
vasocontriction, pallor, tachypnea, dyspnea, tachycardia, ischemic pain, lethargy, and lightheadedness
Term
Iron deficient amenia- etiology and clinical manifestations
Definition
insufficient dietary intake of iron, blood loss, decreased absorption

early---PICA- pallor, fatigue, dyspnea, palpitations, tachycardia
late---glosstis- dry corners of the mouth, brittle spoon nails
Term
Iron deficient anemia treatment and side effects
Definition
iron supplement-- ferrous sulfate
constipation/diarrhea- teeth staining
**do not take with antacids
**do not combine with anti-antemic agents-- no vitamin b12 or folic acid
Term
Iron dextran
Definition
for iron deficient patients- indicated for NPO patients
Term
Sodium ferric gluconate complex
Definition
indicated for iron deficient renal patients
Term
Iron deficient lab test
Definition
ferratin, HgB/Hct, TIBC, Fe, transferrin, MCH, MCV
Term
Target group for iron deficiency
Definition
Women, infants, homeless, alcoholics, pregnant
Term
Pernicious anemia- etiology and clinical manifestations
Definition
megaloblastic-- intrinsic factor not secreted

neurological complications, fatigue, fevers, GI symptoms, jaudice
Term
Schilling test tests what?
Definition
intrinsic factor
Term
Aplastic anemia etilogy and clinical manifestations
Definition
bone marrow or stem cell damage

fatigue, pallor, thromcytopenia, leukopenia, reticulocytopenia
Term
Aplastic anemia treatment
Definition
bone marrow transplant
Term
Aplastic anemia target group
Definition
exposure to chem, radiation, genes, elderly
Term
Pancytopenia
Definition
all the cells are small
RISK- fatigue, infection, bleeding
Stay away from children, no fresh fruit, no silk flowers
do not take NSAIDs or coumadin- fear of GI bleed
Monitor for s/s of respiratory illness
**handwashing and masks
Term
Polycythemia- what is it?
Definition
opposite of anemia- increased production of RBCs or relative blood loss of plasma volume
Term
Polycythemia- clinical manifestation
Definition
thicker blood
hypertension
eye and kidney damage
(stroke in girl from Cincinnati)
Term
Polycythemia- potential etiologies
Definition
1)primary-- Polycythemia vera- neoplastic transformation of bone marrow stem cells- overproduction of normal red cells, white cells and platelets
2)Secondary- Chronic hypoxemia- increase RBC production
Term
Polycythemia- complications
Definition
thrombosis
Term
Polycythemia- nursing teaching and consideration
Definition
avoid tobacco, exercise to avoid clots, watch for sores and care for skin carefully
Term
Serum ferritin
Definition
iron stored in the body
Term
Connection btwn B12 and intrinsic factor. AGE?
Definition
Intrinsic factor aids in B12 absorption- if you do not have it need B12 IM shots for life
Body secretes less intrinsic factor as we age
Term
Hydroxyurea
Definition
new drug used for sickle cell crises- MOA- decreases RBC sickling and increases RBC lifespan. reduces adhesion of RBC to the vascular epithelium
Term
Treatment for sickle cell crises
Definition
oxygen, aggressive pain management and hydration
Term
Lifespan of sickled cell
Definition
10-20 days
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