Oral Liquid Doses
Convert a prescribed dose into millilitres from the labelled concentration.
How to prepare for the NMC Nursing Associate CBT
Combine unit-safe calculation with newly qualified nursing associate judgement across all ages and settings, grounded in the Code, scope, person-centred care, teamwork and escalation.
Core concepts
Concept 1
The labelled mass and stated volume remain paired.
Exam cue: Read concentration as stock dose per stock volume.
Concept 2
The final volume must be measurable with an appropriate device.
Exam cue: A stronger preparation needs less volume.
Risk pitfalls and guardrails
Discarding the labelled stock volume.
Guardrail: Do not choose a familiar task if it ignores deterioration, consent, scope, communication or follow-up.
Reporting mass instead of millilitres.
Guardrail: Do not choose a familiar task if it ignores deterioration, consent, scope, communication or follow-up.
Memory anchors
What is the liquid-dose formula?
Required dose ÷ stock dose × stock volume.
How is 125 mg in 5 mL read?
125 mg is paired with 5 mL.
What does greater concentration do for the same dose?
It reduces required volume.
What is the usual final liquid unit?
Millilitres.
What practical check is needed?
The volume can be measured accurately.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
A liquid contains 120 mg in 5 mL. What volume supplies 360 mg?
An oral solution contains 80 mg in 4 mL. How much is needed for 200 mg?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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