Unit 3 Flashcards (week 3 Quiz)
Why does resistance occur in medications?
Because we have overused antibiotics, not finished antibiotics, or we have prescribed antibiotics when they are not needed
What do gram stains do?
Help identify the type of bacteria
Narrow spectrum
Only kills one type of bacteria (GP or GN)
— these meds are prescribed when we know EXACTLY what the causative agent is
Broad spectrum
Can treat a wide range of bacteria
— GP and GN
How can we reduce super infections?
Taking probiotics
— yogurt, kombucha, supplements
— these help replenish out bodies natural good flora
Bacteriostatic
Stop the reproduction of bacteria (do not kill)
Bactericidal
Completely kill bacteria
How do antiviral drugs act?
Directly impact interaction and reproduction of the virus
— do not kill the virus
(Patho. - prevent virus from getting on host cell, prevent arrangement of viral parts, etc.)
What do antifungal meds do?
Kill the cells of the fungus and inhibit the reproduction
Many anti-fungal meds are what
Topical
Anti-fungal meds are considered what?
Anti mycotic agents
How many people are infected with a resistance strain of a microbe each year?
2 million
Half life
Rate at which 50% of a drug is eliminated from the plasma
— drugs with half-lives exceeding 12 hours can be given a single dose every 24 hours
Dose of medications are calculated based on what?
Weight and renal function
What are lifespan considerations when prescribing or giving medications to pediatrics
Age and size
— state of development will impact what the body absorbs, digests, metabolizes, and eliminates the medication