Pnr 221 Exam Questions & Answers
(Grade A+)
Parenteral medications -
correct answer ✅Giving a medication via an injection
What is an ampule -
correct answer ✅Glass, single dose, pre scored area on constricted
neck
What is a vial -
correct answer ✅Single, or multi dose with liquid or dry powder
inside, rubber seal at the top
Subcutaneous -
correct answer ✅loose, fatty tissue, connective tissue below the
dermis, slower absorption than IM.
Intramuscular -
correct answer ✅within the muscle, faster absorption than SC
route, less sensitive to irritating meds
Intradermal -
correct answer ✅within the dermis, slowest route of med
absorption
,Pnr 221 Exam Questions & Answers
(Grade A+)
Intravenous -
correct answer ✅directly into the bloodstream.
What is a luer-lok tip -
correct answer ✅Twist needle on
What is a straight tip -
correct answer ✅Push needle on
The bigger the gauge -
correct answer ✅The smaller the diameter
Which needle would be better to draw up a thick solution -
correct answer ✅18G because it has a bigger diameter
Bevel -
correct answer ✅helps pierce the skin, angled needled, bevel
should be up
,Pnr 221 Exam Questions & Answers
(Grade A+)
Why would you use a longer needle -
correct answer ✅Deeper target tissue
Why would you use a shorter needle -
correct answer ✅If target tissue is closer to the surface
Safety features of a needle -
correct answer ✅Plastic guard that covers the needle after
injection, needle retracts, needless devices sometimes appropriate
Why are all meds in an ample considered a single dose -
correct answer ✅To remove med from head of amp - gently tap it.
Or use circumferential force
What happens if you forget to inject air prior to withdrawing
medication from a vial -
correct answer ✅will not draw back, you need negative pressure
Why would you mix more then one med in an injection -
correct answer ✅limit the amount of times a patient gets an
injection
, Pnr 221 Exam Questions & Answers
(Grade A+)
prior to injection, what do you consider -
correct answer ✅site condition, amount of solution, length and
gauge of needle, pinch or spread skin, angle of insertion
injection site should be free of -
correct answer ✅skin lesion, masses, bony prominences, and large
underlying muscles, or nerves
best sites for subcutanous injection are -
correct answer ✅outer posterior aspect of upper arms, abdomen,
and anterior aspects of the thigh
what is the prefer site for heparin -
correct answer ✅abdomen
what are the two general rules for proper site rotation in diabetics -
correct answer ✅same location at the same time each day, rotate
within each injection site to prevent fatty lumps
what is the general rule when choosing needle length -
correct answer ✅choose a length that is 1/2 of the pinch skin
(Grade A+)
Parenteral medications -
correct answer ✅Giving a medication via an injection
What is an ampule -
correct answer ✅Glass, single dose, pre scored area on constricted
neck
What is a vial -
correct answer ✅Single, or multi dose with liquid or dry powder
inside, rubber seal at the top
Subcutaneous -
correct answer ✅loose, fatty tissue, connective tissue below the
dermis, slower absorption than IM.
Intramuscular -
correct answer ✅within the muscle, faster absorption than SC
route, less sensitive to irritating meds
Intradermal -
correct answer ✅within the dermis, slowest route of med
absorption
,Pnr 221 Exam Questions & Answers
(Grade A+)
Intravenous -
correct answer ✅directly into the bloodstream.
What is a luer-lok tip -
correct answer ✅Twist needle on
What is a straight tip -
correct answer ✅Push needle on
The bigger the gauge -
correct answer ✅The smaller the diameter
Which needle would be better to draw up a thick solution -
correct answer ✅18G because it has a bigger diameter
Bevel -
correct answer ✅helps pierce the skin, angled needled, bevel
should be up
,Pnr 221 Exam Questions & Answers
(Grade A+)
Why would you use a longer needle -
correct answer ✅Deeper target tissue
Why would you use a shorter needle -
correct answer ✅If target tissue is closer to the surface
Safety features of a needle -
correct answer ✅Plastic guard that covers the needle after
injection, needle retracts, needless devices sometimes appropriate
Why are all meds in an ample considered a single dose -
correct answer ✅To remove med from head of amp - gently tap it.
Or use circumferential force
What happens if you forget to inject air prior to withdrawing
medication from a vial -
correct answer ✅will not draw back, you need negative pressure
Why would you mix more then one med in an injection -
correct answer ✅limit the amount of times a patient gets an
injection
, Pnr 221 Exam Questions & Answers
(Grade A+)
prior to injection, what do you consider -
correct answer ✅site condition, amount of solution, length and
gauge of needle, pinch or spread skin, angle of insertion
injection site should be free of -
correct answer ✅skin lesion, masses, bony prominences, and large
underlying muscles, or nerves
best sites for subcutanous injection are -
correct answer ✅outer posterior aspect of upper arms, abdomen,
and anterior aspects of the thigh
what is the prefer site for heparin -
correct answer ✅abdomen
what are the two general rules for proper site rotation in diabetics -
correct answer ✅same location at the same time each day, rotate
within each injection site to prevent fatty lumps
what is the general rule when choosing needle length -
correct answer ✅choose a length that is 1/2 of the pinch skin
