BNF Intro to prescribing and dose calculations

Question 1

what important resources are containing within the BNF

Answer 1

intial pages- prescribes

chapter 1-16 body systsm

drug monographs- ll infor relating to drug

appendices

index- medication page number

yellow card- identify issues with medications

advacned life support algoertihm

emergenyc medications

conversions

abbreviations

Question 2

what are the basic principles of precription wriitng

Answer 2

• block capitals
• black inj
• clear legible name
• full name of mediciaiton
• dose (no unnecessary decimal points 0.1g= 100mg)
• frequency
  
  • OD/BD/ TDS/QDS
• times circles or tick;led
• celar units
• date [recription writte
• indication
• route- PO/IV/TOP/PR
• end date
• signiture, name , GMC numbver
• boxes after 7 days clealry crossed off signed

Question 3

what is the importance of adherence top precription writing guidance?

Answer 3

patient saftey is KEY

reduce risk of prescription error, safe handover, precription tracting ig things go wrongt

LEGIBLE, CLEAR< CORRECT

Question 4

what are the diffrent precription froms?

Answer 4

• handwritten- Kardex chart (inpatient), FP10 (outpatient)
• can be electronic- prescinging system
• methods vary but the pricicples are the same

Question 5

What do these Abrevaitions mean- freqeuncy

• OD
• BD
• TDS
• QDS
• OM
• ON
• PRN
• STAT

Answer 5

• OD= once daily
• BD- twice a day
• TDS= tree times a day
• QDS- four times a day
• OM= in the morning
• ON= at night
• PRN= as required
• STAT= immediately

Question 6

what is the abbrevaition for micrograms and nanograms?

Answer 6

micrograms and nanograms

must be written in full!

Question 7

what do these abbrevartions Mean (routes of drug admission)

• PO
• SL
• SC
• IV
• IM
• PR
• PV
• TOP
• INH
• NEB
• Intranasal

Answer 7

• PO (orally)
• SL- sublingually
• SC- subcutaneous
• IV= intravenous
• PR= rectum
• PV= vagina
• TOp= topically
• INH- inhaled
• NEB= nebulised
• intransal= nasally

Question 8

Label this correctly?

Answer 8

Question 9

how many mL are in a L

Answer 9

1000

L—-> mL x1000

mL—–> L /1000

Question 10

what do % concentrations mean?

Answer 10

a percentage concentration denotres the number of parts of a medication in 100 parst of the dosage form

done in gram sand mL

so alwasy convert first.