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A standard 25mm needle can deposit medication subcutaneously in a larger client, blunting absorption, while a shorter 16mm needle is appropriate for a very lean arm

Inhaled nitric oxide therapy in adults

Alcohol and its metabolites can show up in a hair sample for up to 90 days, although hair testing for alcohol is less common than hair testing for other substances

Its your job to educate them on these facts

doi: 10.1073/pnas.152324099 108 DingQSunPZhouHWanBYinJHuangYet al

Other symptoms may include: Glossitis (sore, red tongue) Mouth ulcers Visual disturbances (rare, due to optic neuropathy, requiring urgent assessment) Gastrointestinal symptoms such as diarrhoea or constipation It is crucial to recognise that neurological damage from B12 deficiency can become irreversible if left untreated for prolonged periods