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🧮 Kalkil Dòz · Leson 1 sou 5 · 5 min

Konvèsyon yo: 2.2, 1000, 30, 5 ak 15

The Conversions: 2.2, 1000, 30, 5 and 15

⚖️ Yon timoun peze 44 liv epi dòz la kalkile pa kilogram. Chak kalkil egzamen kòmanse ak yon konvèsyon, epi chak erè konvèsyon multipliye rive nan repons final la.

⚖️ A child weighs 44 pounds and the dose is per kilogram. Every exam calculation starts with a conversion, and every conversion error multiplies into the final answer.

💡 Ide prensipal

lb ÷ 2.2 = kg, epi g × 1,000 = mg; mg × 1,000 = mcg. 1 oz = 30 mL, 1 tsp = 5 mL, epi 1 tbsp = 15 mL. Konvèti anvan, kalkile apre, awondi dènye.

lb ÷ 2.2 = kg. g × 1,000 = mg; mg × 1,000 = mcg. 1 oz = 30 mL, 1 tsp = 5 mL, 1 tbsp = 15 mL. Convert first, calculate second, round last.

🧠 Poukisa sa enpòtan

PWA: 1 kg = 2.2 lb, kidonk divize liv yo pa 2.2 pou jwenn kilogram (44 lb ÷ 2.2 = 20 kg). MAS: 1 g = 1,000 mg; 1 mg = 1,000 mcg; 1 grain (gr), yon ansyen inite apotèk ISMP di pou evite, se apeprè 60 a 65 mg, kidonk gr 1/2 se apeprè 30 mg. VOLIM: 1 L = 1,000 mL; 1 oz = 30 mL; 1 tsp = 5 mL; 1 tbsp = 15 mL; 1 cup = 240 mL. TANPERATI: °C × 1.8 + 32 = °F, epi (°F − 32) ÷ 1.8 = °C, kidonk 38.5 °C se 101.3 °F. TAN: 1 èdtan = 60 minit, epi kesyon IV egzamen yo souvan bezwen minit. Deplase pwen desimal la twa plas pou konvèsyon mas metrik yo: 0.25 g = 250 mg; 500 mcg = 0.5 mg. Toujou ekri yon zewo devan (0.5 mg) epi pa janm yon zewo dèyè (5 mg, pa 5.0 mg), epi awondi nan fen an, pa nan mitan an.

WEIGHT: 1 kg = 2.2 lb, so divide pounds by 2.2 to get kilograms (44 lb ÷ 2.2 = 20 kg). MASS: 1 g = 1,000 mg; 1 mg = 1,000 mcg; 1 grain (gr), an outdated apothecary unit that ISMP says to avoid, is approximately 60 to 65 mg, so gr 1/2 is about 30 mg. VOLUME: 1 L = 1,000 mL; 1 oz = 30 mL; 1 tsp = 5 mL; 1 tbsp = 15 mL; 1 cup = 240 mL. TEMPERATURE: °C × 1.8 + 32 = °F, and (°F − 32) ÷ 1.8 = °C, so 38.5 °C is 101.3 °F. TIME: 1 hour = 60 minutes, and exam IV questions often need minutes. Move the decimal three places for metric mass conversions: 0.25 g = 250 mg; 500 mcg = 0.5 mg. Always write a leading zero (0.5 mg) and never a trailing zero (5 mg, not 5.0 mg), and round at the end, not in the middle.

🏥 Nan lavi reyèl

🧒 Yon timoun piti peze 33 lb. Preskripsyon an se 10 mg/kg. Enfimyè a konvèti: 33 ÷ 2.2 = 15 kg, apre 10 × 15 = 150 mg pa dòz. Yon etidyan ki te sote konvèsyon an epi ki te itilize 33 ta bay 330 mg, plis pase doub dòz la. Egzamen an konte sou erè sa a.

🧒 A toddler weighs 33 lb. The order is 10 mg/kg. The nurse converts: 33 ÷ 2.2 = 15 kg, then 10 × 15 = 150 mg per dose. A student who skipped the conversion and used 33 would have given 330 mg, more than double the dose. The exam counts on that mistake.

📌 Sa pou retni

  • Liv an kilogram: divize pa 2.2Pounds to kilograms: divide by 2.2
  • Metrik: deplase pwen desimal la twa plas ant g, mg ak mcgMetric: move the decimal three places between g, mg and mcg
  • Kay: kiyè te 5 mL, kiyè soup 15 mL, ons 30 mLHousehold: 5 mL teaspoon, 15 mL tablespoon, 30 mL ounce

✅ Teste tèt ou

Yon pasyan peze 176 lb, konbyen kilogram pwa li ye?A client weighs 176 lb. What is the weight in kilograms?
  1. 387 kg
  2. 80 kg
  3. 70 kg
  4. 88 kg

Repons: B · 80 kg

176 ÷ 2.2 = 80 kg, 88 kg soti nan divize pa 2 olye de 2.2, yon rakousi ki ogmante pwa a pa 10%.

176 ÷ 2.2 = 80 kg. 88 kg comes from dividing by 2 instead of 2.2, a shortcut that overstates the weight by 10%.

Yo preskri 0.125 mg yon medikaman, konbyen mikwogram sa ye?An order is for 0.125 mg of a medication. How many micrograms is this?
  1. 125 mcg
  2. 1,250 mcg
  3. 0.0125 mcg
  4. 12.5 mcg

Repons: A · 125 mcg

1 mg = 1,000 mcg, kidonk 0.125 × 1,000 = 125 mcg, 1,250 mcg soti nan deplase pwen desimal la kat plas olye de twa.

1 mg = 1,000 mcg, so 0.125 × 1,000 = 125 mcg. 1,250 mcg comes from moving the decimal four places instead of three.

Yo di yon paran bay 2 kiyè te yon medikaman likid, konbyen mililit sa ye?A parent is told to give 2 teaspoons of a liquid medication. How many milliliters is that?
  1. 30 mL
  2. 5 mL
  3. 10 mL
  4. 15 mL

Repons: C · 10 mL

1 kiyè te se 5 mL, kidonk 2 kiyè te se 10 mL, anseye paran yo itilize yon sereng oral, pa yon kiyè kwizin, 30 mL soti nan itilize konvèsyon kiyè soup la ki se 15 mL olye de 5 mL, yon melanj kiyè te ak kiyè soup ki triple dòz la.

1 teaspoon is 5 mL, so 2 teaspoons is 10 mL. Teach parents to use an oral syringe, not a kitchen spoon. 30 mL comes from using the tablespoon conversion of 15 mL instead of 5 mL, a teaspoon-tablespoon mix-up that triples the dose.

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