Keratin is a durable protein that makes the ____ waterproof and resistant to bacteria and viruses. 

Which of the following are causes of hypotension? 1. Heart failure 2. Hypovolemia 3. Mild tachycardia 4. Peripheral vasoconstriction

a. 2 and 4 only b. 1, 2, and 4 only c. 3 and 4 only d. 1, 2, 3, and 4

Calculate the amount you will prepare for each dose. A physician orders 250 mg of a medication intramuscularly.  It is available in a vial containing 1 g of the powdered medication.  The label says to add 2.5 mL sterile water to have a concentration of 300 mg/mL.  How many milliliters should be administered?

What will be an ideal response?