換算値を選びます：kg、g、mg、mcg の間、または L と mL の間は1000、1 kg = 2.2 lb、小さじ1 = 5 mL、大さじ1 = 15 mL、1 fl oz = 30 mL、1カップ = 240 mL。
不要な単位が約分されるよう、分数で書きます。速度の場合は、変わる単位ごとに分数を1つ使います。
向きを確認します：小さい単位に変えると数は大きくなります。
丸めるのは最終的な答えだけで、問題が指定する精度に合わせます。
2演習問題
1.看護助手（CNA）の知識ふつう
Which team member usually evaluates a resident's swallowing problems?
AThe speech-language pathologist
BThe activities director
CThe social worker
DThe physical therapist
2.看護助手（CNA）の知識むずかしい
An alert resident tells the nursing assistant that she is leaving the facility today and starts packing. No discharge is planned. What should the nursing assistant do?
AHelp her pack and walk her to the front door
BTake her suitcase away and hide it
CTell the nurse right away and stay with the resident
DLock her in her room until she changes her mind about leaving
練習問題（数値は架空のもので、臨床上の指針ではありません）。 処方箋に、経口懸濁液 6時間ごと を 1 tsp、7 日間と書かれています。1 tsp = 5 mL を用いて、全期間に必要な mL V はいくつですか。
1 tsp6時間ごと7 日1 tsp = 5 mL
V = mL
3溶液
1.看護助手（CNA）の知識
答え: A · The speech-language pathologist
これが答えになる理由
The speech-language pathologist assesses swallowing (dysphagia) and recommends safe food textures, liquid thickness and feeding techniques.
答え
A · The speech-language pathologist
2.看護助手（CNA）の知識
答え: C · Tell the nurse right away and stay with the resident
これが答えになる理由
A competent resident has the right to leave, but the nurse must know at once to talk with her, contact the doctor and family and make it safe. Hiding belongings or locking her in would violate her rights.
答え
C · Tell the nurse right away and stay with the resident