When administering medication by the subcutaneous injection route:
a. correct placement of the needle is confirmed by a blood return when the plunger of the syringe is pulled back.
b. do not rub or massage the site, because this promotes systemic absorption and nullifies the advantage of localized effect.
c. you may use an air plug in the syringe, which pushes the medication farther into the subcutaneous tissue.
d. avoid pinching the skin at the injection site, as this will result in a slower absorption of the medication.
c
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Cells with a slit (stomatocytes) instead of a round central pallor can be found in all of the following except:
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