Question

np almodovar has ordered 0.5mg of cyanocobalamin im now for a patient with a b12 deficiency. available is cyanocobalamin 1000mcg/1ml. how many ml will you give? options: 0.5 ml, 1 ml, 1.5 ml, 2 ml. mark for follow up. question 10 of 10. mr. jones is taking tylenol 1000mg every 6hrs by mouth as needed for pain but is not to exceed 3g in a 24 - hr period. the tylenol comes in the strength of 500mg per tablet. what is the maximum number of tablets mr. jones can take in a day? options: 2 tabs, 4 tabs, 6 tabs, 8 tabs. mark for follow up

Explanation:

Step1: Convert the maximum daily dose to mg

Since 1g = 1000mg, 3g = 3×1000 = 3000mg.

Step2: Calculate the number of tablets per dose

Each tablet is 500mg, and the dose is 1000mg per 6 - hour interval. So the number of tablets per dose is $\frac{1000}{500}=2$ tablets.

Step3: Calculate the number of 6 - hour intervals in 24 hours

There are $\frac{24}{6}=4$ six - hour intervals in 24 hours.

Step4: Calculate the maximum number of tablets in a day

The number of tablets per dose is 2, and the number of doses in a day is 4. So the maximum number of tablets in a day is 2×4 = 8 tablets.

for the second part:

Step1: Convert the ordered dose to mcg

Since 1mg = 1000mcg, 0.5mg = 0.5×1000 = 500mcg.

Step2: Calculate the volume to be given

The available concentration is 1000mcg/1mL. Using the formula $V=\frac{D}{C}$ (where $V$ is volume, $D$ is dose, and $C$ is concentration), we have $V=\frac{500}{1000}=0.5$ mL.

Answer:

8 tabs