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PNUR 122 Final
Material begins where PNUR 122 Midterm cards left off
108
Nursing
Undergraduate 1
09/06/2009

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Term
Pathogens can cause disease in two ways. They are?
Definition
Increasing in numbers and Production of toxins
Term
Bacteria can be described by 3 things?
Definition
Shape, use of oxygen, and staining characteristics
Term
Thick cell wall; retain purple color after staining applied?
Definition
Gram-positive bacteria
Term
Thinner cell wall. Do not retain purple color?
Definition
Gram-negative bateria
Term
Rod shaped bacteria?
Definition
Bacilli
Term
Spherical shaped bacteria?
Definition
Cocci
Term
Spiral shaped bacteria?
Definition
Spirillia
Term
Type of bacteria that thrive's in oxygen environment?
Definition
aerobic
Term
Bacteria that thrive best without oxygen?
Definition
anaerobic
Term
Can some bacteria be BOTH aerobic and anaerobic?
Definition
yes
Term
How do antiinfective drugs work?
Definition
They act by affecting the target organism's metabolism or life cycle.
Term
How do antibiotics work?
Definition
They work by targeting the cell wall and enzymes of bacteria.
Term
What is a major problem of antiinfective drugs?
Definition
acquired resistance
Term
Broad spectrum antibiotics?
Definition
effective against a wide variety of bacteria
Term
What are narrow spectrum antibiotics?
Definition
effective against a restricted group of bacteria or one type
Term
T or F: Viruses may take weeks to identify?
Definition
True
Term
What is antagonism?
Definition
Combining two antibiotics to inclrease efficacy of each drug.
Term
T or F: Use of multiple antibiotics increase potential resistance?
Definition
True
Term
What are some reasons that multi-drug antibiotic therapy may be prescribed?
Definition
Infection caused by several different micro-organisms, TB, HIV infections.
Term
When do Superinfections?
Definition
When host flora are destroyed by antibiotics. Then pathogenic microorganisms have a chance to multiply. These are often caused by broad-spectrum antibiotics.
Term
What do "host flora" do?
Definition
They prevent growth of pathogenic microorganisms.
Term
One of the oldest and safest groups of antiinfectives?
Definition
penicillins
Term
Enzyme secreted by some bacteria?
Definition
penicillinase (splits beta-lactam ring of Penicillin)
Term
A broad spectrum penicillin?
Definition
ampicillin
Term
What are cephalosporins?
Definition
Similar in structure and function to pinicillins. One of the most widely prescribed antiinfective classes.
Term
What do bacteriocidals do?
Definition
They destroy bacteria by inhibiting cell wall synthesis.
Term
What is a "cross-allergy"?
Definition
Some clients who are allergic to penicillins may also be allergic to cephalosporins as well.
Term
What are the most common side effects of cephalopsorins?
Definition
Allergic reactions
Term
What is the drug of choice for Rocky Mt spotted Fever, Lyme Disease, Cholera, and Typus?
Definition
Tetracycline.
Term
What color does tetracycline cause teeth to be?
Definition
yellow-brown
Term
What food should a person avoid when taking tetracycline?
Definition
Milk. It binds with calcium molecules which decreases absorption.
Term
How should tetracycline be administered?
Definition
1-2 hours AFTER meals to avoid interactions.
Term
Macrolides are a drug of choice for what diseases?
Definition
whooping cough, Legionaire's Disease, Strep, Chlamydia
Term
What is benefit of macrolides over penicillin?
Definition
Macrolides can be prescriped as a safe alternative to penicillin for many diseases/ They are prescribed for diseases that are penicillin resistant.
Term
What is an example of Macrolides?
Definition
erythromycin
Term
Aminoglycosides?
Definition
Narrow spectrum drugs that have potencial to cause serious toxicity.
Term
What are amonoglycosides prescribed for?
Definition
serious gram-negative infections (bacterialocidal). Ex. gentamicin (Garamycin).
Term
What is a serious side effect of aminoglycosides?
Definition
Ototoxicity (hearing)- Conduct frequent hearing tests as this may be permanent. Nephrotoxicity (kidneys)
Term
What is the drug of choice for Anti Tuberculin therapy?
Definition
INH (2-4 drugs used in combonation)
Term
How is TB treated?
Definition
Long term drug therapy with the use of 2-4 drugs over 6-24 month period. This is neccessary b/c the bacteria grows so slowly and resistance may become common. Second line drugs are used with first line becomes resistant. Must continue therapy even if symptoms have stopped.
Term
What is a major side effect of INH (Isoniazid)?
Definition
Hepatoxicity (liver toxicity). Rare but serious.
Term
What is "mycoses"?
Definition
It is what fungal diseases are called.
Term
How are fungal infections treated?
Definition
superficial mycoses- topically; systemic mycoses- oral or parenterally
Term
What has been a antifungal drug of choice for many years?
Definition
amphoteracin (Fungizone) Adverse reaction may be phlebitis and nephrotoxicity
Term
How should oral antifungal drugs be taken?
Definition
Swish and Swallow. Do not drink for 10 minutes afterward.
Term
Who may need antifungal drugs?
Definition
Those who: 1. are on corticosteroids for prolonged time 2. have extensive burns 3. recieving anticancer drugs 4. recent organ transplants
Term
What are viruses?
Definition
Non-living parasites that require a host in order to replicate. They are surrounded by a protein coating.
Term
What is an example of a serious virus that can be fatal?
Definition
HIV-requires 3-4 drugs at a time. Still not curable.
Term
Oldest antiretroviral drug?
Definition
NRTIs
Term
Newest antiretrovirals?
Definition
Protease inhibitors- resistance happens quickly though.
Term
Example of protease inhibitor?
Definition
AZT- can cause bruising and bleeding, do not take any OTC meds at the same time
Term
Exples of other diseases tx with antivirual drugs?
Definition
herpes, varicella-zoster, Epstein Barr, influenza (ex. tamiflu)
Term
What are antiparasitic agents for?
Definition
To treat protozoan like Malaria, amebic dysentary, worms. Not so common in US, but very common in developing countries.
Term
What drug is used to treat pinworms?
Definition
Vermox
Term
Majot antiparasitic drug?
Definition
Flagyl
Term
What should a patient do after taking her first dose of Augmentin?
Definition
The nurse should have the pt stay in the office for 30 min. in case of any allergic side effects.
Term
What is a common side effect of bactrim therapy?
Definition
yeast infection
Term
What are two major divisions of malignant tumors?
Definition
1. carcinoma 2. sarcoma
Term
Other types of tumors?
Definition
leukemias and lymphodemas
Term
Sarcomas come from?
Definition
connective tissue like bone, carlilage, muscle
Term
What is the most common form of cancer?
Definition
carcinomas, they grow rapidly and metastisize
Term
What are some types of Antineoplastic (cancer) drugs?
Definition
1. Alkylating agents- change DNA in the hopes of disrupting reproduction of cancer cells
2. Antimetabolics- disrupt metabolic pathways
3. Hormones- blocks hormones needed by cancer
4. Plant extracts
5. Biological- stimulate the immune system
Term
What is Occupational Monitoring ?
Definition
Contamination of caregivers by cancer drugs since some drugs can be absorbed by caregivers unknowingly
Term
Adverse reactions to anticancer drugs?
Definition
Anemia (decrease RBC), Thrombocytopenia (decrease platelet count, Leukopenia (decrease WBC)
Term
What is tamoxifen?
Definition
Hormone antagonist used to tx breat cancer. Given orally. Can be given prophylatically to those with a high chance of breast cancer.
Term
What is interferon?
Definition
Biological response modifier used in immune therapy
Term
What is the primary function of the respiratory system?
Definition
Ventilation (removes air from the lungs) and Respiration (gasses are exchanged)
Term
What is the "air pathway"?
Definition
Nose- pharynx - trachea- bronchi- bronchioles- alveoli
Term
Asthma?
Definition
Chronic inflammatory disease characterised by Bronchiospasm.
Term
What are the drugs of choice for asthma?
Definition
Sympathomimetics. Selective for beta-2 receptors in the lungs. Few cardiac side effects.
Term
Ex of bronchiodilators for asthma pts?
Definition
Theo-dur, Serevent
Term
What is effective for long term prophylaxis for asthma?
Definition
glucocorticoids-suppress inflammation but do not tx acute asmtha attacks
Term
Ex of glucocorticoids?
Definition
Beclovent, Beconase, Vancenase, nasal sprays
Term
What drugs control cough?
Definition
antitussives. They LOOSEN bronchial sectretions and relieve cough. NOT for clients with emphysema and bronchitus.
Term
What are the most effective antitussives?
Definition
narcotic analgesics (codeine cough mixtures) Schedule V. Low dependence.
Term
What is Dextromethorphan?
Definition
DM - most commonly used OTC antitussive ANTI COUGH)
Term
What are expectorants?
Definition
Increase bronchial sectretions. They REDUCE THICKNESS of sectretions allowing them to be released through cough.
Term
What is guaifensin?
Definition
most effective OTC expectorrant
Term
Mucolytics?
Definition
LOSSEN THICK, viscous bronchial sectretions.
Term
What is chronic bronchitis?
Definition
Excessive mucous produced in bronchial tree due to inflammation. Sx/s = dyspnea and cough, airways partially obstructed obstructed with mucous.
Term
Emphasyma?
Definition
Terminal stage of COPD, bronchioles loose elasticity, extreme dyspnea with slightest activity
Term
Two parts of COPD?
Definition
Bronchitis and Emphasyma- cannot be cured only treated. Tx with bronchodilators, mucolyics, and expectorants
Term
What is Singulaire>
Definition
leukotryine inhibitor, mast stabilazor used to tx asthma
Term
Duod ulcers relieved by?
Definition
food. it is uncommon to have nausea and vomiting. most common age 30-50. black tarry stools. red vomit.
Term
Gastric ulcer relieved by?
Definition
NOT food. >60 age. anorexia, vomiting, remission may be frequent or absent.
Term
What blood type is most associated with peptic ulcer disease?
Definition
Type O
Term
What bacteria is most associated with Peptic Ulcer Disease?
Definition
Helicobacter pylori bacteria (gram-negative bacteria)TX with amoxicillin, flagyl, and biaxin (2 or more are needed)
Term
How is inflammatory bowel disease tx?
Definition
anti-inflammatory meds
Term
Peptic ulcers tx.
Definition
zantac (H2 receptor antagonist) suppress volume of acid in stomach
Term
Proton pump inhibitor?
Definition
Ex Prilosec (reduces gastric acid secretions)
Term
Antacids?
Definition
neutralize stomach acids
Term
Types of laxatives?
Definition
bulk forming, stimulant, saline, stool softeners
Term
Antidiarrheas?
Definition
opiods the most effective. ex. lomotil
Term
Ex of antispasmatics?
Definition
benzodiazepines, botulism toxin
Term
Selective estrogen receptor
Definition
provides protection against uterine and breast cancer, reduces risk of cardiovascular diseases, for postmenapausal women.
Term
What are biphosphonates?
Definition
ex. Fosamax. Strengthens bones with continued use by blocking bone reabsorption by inhibiting osteoclast activity
Term
Common side effect of biphosphonates?
Definition
gastrointestinal problems
Term
Calcitonin therapy?
Definition
For those that cannot take estrogen or biophosphonates. Prevents bone fractures by inhibiting bone reabsorbtion.
Term
Paget's Disease?
Definition
Enlarged, abnormal bones. new bone is weak, and fractures may occur. S/sx. pain, inflammation, headaches, facial pain, pinched nerves, aching hips and joints.
Term
Tx for Paget's Disease?
Definition
biophosphonates and calcitonin, daily calcium and vit D, sunlight
Term
Two types of arthritis?
Definition
osteo nd rheumatoid.
Term
Osteoarth. s/sx
Definition
muscle spams, local pain and stiffness, joint and bone enlargement, limited movemetn.. Normal part of aging process,
Term
Rheumatoid ?
Definition
tenderness, swelling, dull aches. Auto immune disease.
Term
Gout?
Definition
Rich man's disease. High fat diet, alcohol.
Term
Gout tx?
Definition
Drugs that prevent Uric acid build up (Lupurin)
Term
Drugs that tx. mites and lice?
Definition
Kwell, Nix
Term
Statis dermatitis?
Definition
Older women, redness, scaling on lower extremities.
Term
Psoriasis?
Definition
Characterized by SILVERY flaky scales. Tx. topicalal corticosteroids, and retinoid-like compunds.
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