Anti Bugs
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500

Which drug inhibits bacterial synthesis of folic acid?

sulfonamide 

500

a charge that is held in place and requires _____ but is held in place so it doesn't move. What is the blank and what is the definition 

kinetic 

electric potential 

500

what is the structural formula of prostaglandins?

five membered ring with a 7 carbon side chain which often ends in carboxylic acid group, adjacent to an 8 carbon chain 

500

the derivatives of all steroids are from what ?

cholesterol 

500
A nursing student goes to flush a IV prior to giving a medication. When doing so she draws up pure water from a water bottle and flushes it though the IV. How will this affect the blood cells? 
It will cause the blood cells to swell because pure water has a hypotonic effect and is NOT isotonic 
500

if a bacteria has a permeability of its cell wall what antibiotic causes this effect?

polymyxin 

500

as new SRNA students going to your first day in clinical what are you going to look for in the OR to keep you safe from electrical shocks?

rubber gloves

every plug is grounded GFCI

500

when giving thiopental what type of patient will it become effective faster and what type of patient will it be effective slower?

faster- acidic because thiopental is a weak acid so there will be more non-ionized of the drug. This also creates the chance of accidental overdose due to more non-ionized being absorbed.

slower- basic because there will be more ionized version of the drug. 

500

what are the stop and start codons?

stop- UGA, UAG, UAA

start: AUG

500

You have a patient coming to your OR for placement of a bolt so the nurses on the ICU floor can better monitor the ICP. When dropping the patient off after a successful bolt placement you hear the new trauma resident order D5 1000ml bolus to fix the blood sugar, is this a good or bad order and why?

this is a bad order because D5 after the sugar is absorbed it is a hypotonic solution and will create cerebral edema and with a patient who all ready has high ICP it will make it worse

500

what is the MOA of metronidazole?

disrupt microsomal DNA synthesis 

500

what is the current produces by a voltage of 240v through a resistance of 0.2 ohms?

1200 amps

500

when storing any drug what type of solution should it be stored in and why?

opposite pH so it does not cause precipitation 

500

how do we get genetic mutations?

if a stop codon appears to early, or pull of wrong amino acid 

500

Why do we use 3% NaCl on patients with high ICP and cerebral edema? What could be a bad side effect if someone were to bolus it into our patient?

because it is a hypertonic solution so it will shrink the cells decreasing cerebral edema thus decreasing ICP. If someone were to bolus it it would decrease the cells to fast and it could cause cerebral hemorrhage as well as demylinating the patient essentially giving them MS 

500

in inability of bacteria ribosomes to be able to synthesis proteins is the MOA of what antibiotics?

mycins, aminoglycosides, tetracycline, chloramphenicol 

500

what resistance would produce a current of 120 amps from a 6Volt battery

0.05ohms

500

if a patient overdoses on a drug what concept can you use to help reduce the effect of the medication? how does it work?

urine trapping

it creates a opposite effect in the urine to trap the ionized version of the drug so it can be excreted 

500

compare the differences between DNA and RNA

DNA is a double-stranded helical molecule found in the nucleus, replicates before cell division, instruction for protein synthesis. RNA is only a single stranded molecule found in both the nucleus and the cytoplasm.

500

your patient blood pressure is low in the OR what type of solution would you use first? give me two (or three) examples

you would use a isotonic solution so the fluid will stay extracellularly (within the vascular space) and boost your pts blood pressure. Two main examples are LR and NS (albumin 5%)

500

this drug is prescribed to block bacterial mRNA cell wall synthesis 

rifampin 

500

how do conductors and insulators work? what are examples?

conductor- charges flow easily because atoms do not hold onto electrons tightly ex: copper

insulator- hold onto atoms tightly so they stop the electrical current ex: plastic 

500

how does penicillin G work?

prevents cell wall synthesis 

500

what are the disadvantages of using a pulse ox?

false reading from movement, ambient light source, hypothermic, vasoconstriction

risk of burn in poor perfusion

interference with nail polish 

cannot differentiate between oxyhb and carboxyhb

cannot differentiate between PaO2 of 100 or 500 gives the same readings 

500

what is the most important extracellular buffer, renal buffers, intracellular buffer?

ECF: bicarb

RB: ammonia, phosphorus 

ICF: proteins (hgb)

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