NU 300 EXAM 3 | COMPREHENSIVE MEDICAL-SURGICAL NURSING STUDY GUIDE,
PRACTICE QUESTIONS & ANSWERS 2026/2027
What is the best indicator for oxygen status? - ANS ✔✔ABGs
Receiving FiO2 of ____% or greater for more than ___-___ hrs. ma damage the lungs. - ANS ✔✔50%
24-48
Which o2 delivery device is the most accurate and is best for patients with chronic lung diseases? - ANS
✔✔venturi mask
Before capping a trach, always make sure to...? - ANS ✔✔deflate the cuff
Ask ______ questions to a patient with a trach - ANS ✔✔yes/no
Once a trach tube has been removed, what do you do? - ANS ✔✔cover with a dry gauze, the stoma will
close on its own.
A patient with a trach will need (increased/decreased) humidity in their home. - ANS ✔✔increased
A patient with a nose fracture should be in ______ position - ANS ✔✔semi fowlers
Are cold compresses okay for nose fractures? - ANS ✔✔yes, they can help reduce pain
EPITAXIS:
Check _____ hourly. - ANS ✔✔gag & cough reflexes
Emergency Care of an anterior nose bleed:
-How do you position the pt?
-Why? - ANS ✔✔-upright, leaning forward.
-To prevent blood into the GI tract & aspiration
Emergency Care of an anterior nose bleed:
-Before packing, apply what, and for how long?
-Post bleed, how long should the pt not blow their nose? - ANS ✔✔-Apply direct lateral pressure to the
anterior nose for 10 minutes. (can also apply cool compress)
-24 hrs
You patient just had an anterior nose bleed and you loosely packed it with gauze. However, the bleeding
continues. What do you do??? - ANS ✔✔call for help!!! from pcp
EPITAXIS Patient teaching:
1. Lubricate the nares with...
2. ______ help to prevent re-bleeding
3. Avoid one activity, and which meds?
4. No ____ for a month. - ANS ✔✔1. petroleum jelly
PRACTICE QUESTIONS & ANSWERS 2026/2027
What is the best indicator for oxygen status? - ANS ✔✔ABGs
Receiving FiO2 of ____% or greater for more than ___-___ hrs. ma damage the lungs. - ANS ✔✔50%
24-48
Which o2 delivery device is the most accurate and is best for patients with chronic lung diseases? - ANS
✔✔venturi mask
Before capping a trach, always make sure to...? - ANS ✔✔deflate the cuff
Ask ______ questions to a patient with a trach - ANS ✔✔yes/no
Once a trach tube has been removed, what do you do? - ANS ✔✔cover with a dry gauze, the stoma will
close on its own.
A patient with a trach will need (increased/decreased) humidity in their home. - ANS ✔✔increased
A patient with a nose fracture should be in ______ position - ANS ✔✔semi fowlers
Are cold compresses okay for nose fractures? - ANS ✔✔yes, they can help reduce pain
EPITAXIS:
Check _____ hourly. - ANS ✔✔gag & cough reflexes
Emergency Care of an anterior nose bleed:
-How do you position the pt?
-Why? - ANS ✔✔-upright, leaning forward.
-To prevent blood into the GI tract & aspiration
Emergency Care of an anterior nose bleed:
-Before packing, apply what, and for how long?
-Post bleed, how long should the pt not blow their nose? - ANS ✔✔-Apply direct lateral pressure to the
anterior nose for 10 minutes. (can also apply cool compress)
-24 hrs
You patient just had an anterior nose bleed and you loosely packed it with gauze. However, the bleeding
continues. What do you do??? - ANS ✔✔call for help!!! from pcp
EPITAXIS Patient teaching:
1. Lubricate the nares with...
2. ______ help to prevent re-bleeding
3. Avoid one activity, and which meds?
4. No ____ for a month. - ANS ✔✔1. petroleum jelly