MTC NUR 105 Final Exam Review

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Do drugs act by creating new functions or by modifying existing functions in the body?

modifying functions

How do opium drugs enter the cell?

drugb receptors in the brain >>chemicals normally found in the blood binding is determined by chemical structure of the drug >>opiods produce analgesic response

A drug absorbed from the lining of the mouth enters portal circulation or systemic circulation first?

systemic circulation through cappilaries in t he mouth

Hives are defined as what type of drug side effect?

mild skin rash >> immune system

What route delivers druga most rapidly?

intravenous (IV)

What is the diffrence between the routes orally (PO) and sublingually (SL)

Orally= portal -> liver >>systemic circulation

Sublingually= capillaries >> sytemic circulation

Why do older adults have less ability of drugs to bind to albumin?

reduced renal function, malnourished,and changes in ratios of water, fat and lean muscle mass

What drug dosage must be checked by two nurses?

All insulin and heparin doses

what should the client be taught regarding making up a missed dose of a perscribed med?

To not double up the missed dose, but to take the missed dose as soon as remembered unless with in 2 hoursof next scheduled dose. report to the doctor if two doses missed

What are three causes of noncompliance with perscribed meds?

1. misunderstanding of the instructions
2.unable to get perscription filled
3. intolerable side effects

What should be assessed when a client is taking a GI stimulant?

check bowel sounds >> note when they return to usual pattern

What is the desired action on the GI tract of atropine?

blocks parasympathetic nervous system >> antispasmotic, relaxes smooth muscles

What type laxative is docusate?

wetting agent >> takes 1-2 days for effect >> used to reduce straining

When stimulant laxatives are abused what untoward situations can occur?

dehydration and electrolyte imbalance

What effect does the laxative, lactulose, have on ammonia?

lowers blood ammonia (liver failure) prevents protein absorption

What action do opiods have in the treatment of diarreah?

inhibit perestalsis >> anti-diarreahal

How does marijuana act to prevent vomiting?

depresses chemo-receptor trigger zone

What is the action of antacids?

neutralize hydrochloric acid

Which type antacid causes diarreah? Which type causes constipation?

magnesium >> diarreah
aluminum and calcium >> constipation

How should an antibiotic prescription be taken?

full antibiotic perscription should be taken with out interruption

What is the definition of super-infection?

infection that arises during antibiotic treatment. they involve organisms that are resistent to the antibiotic origiannly used. broad spectrum antibiotics kill normal flora that lead to oppurtunistic infections

What is the action on an organism of sulronarnides?

blocks bacterial synthsis of folic acid >> bacteriocidal

What is the definition of antibiotic resistince, and what causes antibiotic resistence to devolop?

organism adapts so that drug therapy no longer effective
inherited>>stable gentic trait
acquired>>mutation
plasmid>>DNA pieces seperated from cell

What is the action on an organism of an aminoglycoside?

inhibits bacterial protein synthesis and affects the cell membrane

What are the two major side effects of aminoglycoside?

nephrotyoxic >> monitor renal function

ototoxic (loss of equilibrium and loss of hearing) >> monitor auditory during therapy report buzzing and assess balance

What major side effects do oral tetrcyclines cause?

darkens the toungue

What is the correct way to take nystatin oral suspension?

hold in mouth >> swish >> gargle >> then swallow

Why should the blood level of an antibiotic trough level be obtained?

drawn before dose is due and felects the lowest serum level >>lab results will be given in a spectrum from lowest to toxic

What nursing action best prevents the devolopment of drug resistence in clients with tuberculosis?

Directly Observed Therapy (DOT)

What two meds (either may be used) for intial treatment of moderate hypertension?

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Metoprolol (lopressor) is which type of andregenic inhibtor?

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What are three side effects of beta blockers: propranolol (inderal)and nadalol (corgard)?

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What type antihypertensive is lisinopril (zestril)?

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What foods are high in potassium that the client taking a loop diuretic or thiazide diuretic should eat?

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What major side effect is caused by all; meds that lower B/P? What are clients instructed to do to lessen this side effect?

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How should nitroglycerin patch be applied?

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State the steps to correctly use nitroglycerin aerosol?

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how frequently can nitroglycerin (NTG) tablets be taken? When should a client go to an emergency facility?

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What does streptokinase do to a clot?

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What vision changes indicate digoxin toxicity?

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What effect does warfarin (coumadin) or heparin, anticoagulants have on a clot?

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how will spontaneous bleeding, a side effect of anticoagulants, be seen?

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What is the antidote to warfarin (coumadine)? To heparin?

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What blood test is used to monitor warfarin (coumadine) To monitor heparin?

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What is the life threatening side effect of heparin?

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what over the counter drugs should the client not take while on anticoagulants?

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What med is perscribed for pernicious anemia? How is it given? how often?

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What effect does folic acid have on red blood cells?

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What is the action of antihemphillic factor? How is it given?

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What activties should the client not do if taking the antihistamine Benadryl?

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What are the side effects of chlor-trimeton?

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What does an anti-tussive medication alleviate?

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List the sequence of steps for using a multi-dose inhaler?

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What is the drug, beclomethasone inhaler, used for?

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What meds block leukotrienes and prevent inflamation?

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What is the theroputic theophylline serum level so that a time released theophylline capsule can be given?

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Surfactant is given to prevent what occurence in the lungs?

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What are the causes of hyperfunction of glands which requires that drugs to block hormone production be given?

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What is the action of the throid replacment drug, Synthroid?

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Liotrix is a combination of what two hormones?

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What are the toxic side effects of Tapazole and Propacil?

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What replacment hormone drug is used to treat hypothyroidism?

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What is the action of sandostatin when given for hyperfunctionof the anterior pituitary?

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What is the action of Glucotrol?

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What is the action of Micronase?

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What is the action of Precose?

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What does insulin onset mean?

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During the peak of a dose of insulin, the patient should be monitored for possible occurence of what situation?

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What is the onset time, the peak time and the duration time for N Humulin?

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What signs will a patient display if experiencing hypoglycemia? Hyperglycemia?

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What action does anticholinergic eye drops have on the eyes?

dilates pupils to better examine the eye

Which eye drops are a carbonic anhydrase inhibitor?

dorzolamide (trusopt) >> decreases formation of aqueous humor

What are the side effects of latanoprost (xalatan) eye drops?

brown pigment in iris and changes in eye color

List the steps for administering eye drops. Which should be given first, eye drops or ointments? When two are used how long a period should there be between applications?

place in lower conjunctiva sac>>occlude the naso-lacrimal duct for 1 minute>>wash hands between meds > wait 3 minutes between application > give drops before ointment >> glucocorticosteroids first

What is the major neurotransmitter of the sympathetic nervous system?

epinephrine, norepinephrine, dopamine

What major behavioral characteristic of patients with depression must constantly be monitored and prevented even when anti-depressant meds are given?

thoughts of suicide

Thorazine is prescribed for what neurological disorders?

Schizophrenia

Which hypnotic drug causes less paradoxical excitement?

chloral hydrate

What drug is used to control the mania of bipolar disorder?

lithium

When taking the MAO inhibitor: nardil, what should the patient not drink?

anything high in tyramine >> wine

Alcohol has what effect on the central nervous system?

CNS depressant >> sedation, dis-inhibition, anesthesia

What is the action of the drug: carbidopa (sinemet)?

converts to dopamine in the brain

A patient should be instructed to take tacrine (cognex) at what time of the day?

Alzheimer's patients should take it at bedtime once a day

State the action of interferon-b (betaseron) and describe how and when it is administered to a patient with Multiple Sclerosis?

given IM every other day to suppress immune response and reduce spasticity

List the objective indicators of pain

increased pulse and respiration, elevation in B/P, perspiration, dilation of pupils, crying, grimacing, and restlessness

What neurotransmitter controls pain, fever, and inflammation?

prostaglandin E2

What is the action of alloprinol (zyloprim)?

inhibits formation of uric acid crystals and prevents gout attacks

Opiods affect what neurotransmitter?

beta-endorphin >> raise threshhold for pain

For what types of pain are opiods used?

moderate to severe pain associated with trauma, surgery, heart attack, biliary or uteral pain, inflammation, and cancer

What are the side effects of the opiods: demeral and dilaudid?

constipation, urinary retention, hypotension, pinpoint pupils

What drug is utilized to displace opiods from receptors in opioid overdose?

naloxone (narcan)

What can the patient not do after recieving curare?

diaphragm is paralyzed and spontaneous respiration stops

What is the most commonly used inhalation anesthetic?

isoflurane (forane)

When should an anti-emetic be administered for a patient who is to recieve chemotherapy?

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What is the catagory and side effects of cisplatin?

cell cycle non-specific >> side effects:

When taking capecitabine (xeloda), what factors may intiate or worsen the side effects of Hand and Foot syndrome?

take with food > drink 2000-3000 ml/fluid/day >metabolite can accumulate in the skin > heat and pressure aggravate the condition

What cell activity is occuring during the M phase?

Mitosis: cell division occurs

What type of antibiotic is used to treat a patient with respiratory anthrax?

ciprofloxacin

What colony stimulating factor stimulates the production of 1.platlets? Of 2.WBC? Of 3.RBC?

1.neumega > platlets
2. neupogen > WBC
3. epogen > RBC

What medication is considered an unconventional cancer treatment

laetrile (amygdalin) dangerous))

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