1
PNR 201
PNR 201 Exam 3 Review Concepts Questions
with Correct Verified Answers Latest Update
(2025/2026) Guaranteed Pass
1. 1+ Mild Pitting Edema: slight indentation with no perceptible
swelling of the leg
2. 2+ Moderate Pitting Edema: indentation subsides quickly, foot is
perceived as mildly swollen
3. 3+ Deep Pitting Edema: indentation remains for a short time and
legs look swollen
4. 4+ Very Deep Pitting Edema: indentation lasts for a long time
and leg is very swollen
5. Isotnic Solution: equal solute concentration
Normal Saline 0.9% Lactaid Ringers
*any external solution that has the same solute concentration & water
concentration companied to body fluid
6. Hypertonic Solution: greater concentration
PNR 201
, 2
PNR 201
3% NaChl 2.5% Dextrose
*any external solution that has a HIGHER solution concentration than
the body (thinking cells)
7. Hypotonic Solution: less concentration
1/2 NS, 0.25 NaChl, 2.5 Dextrose
*any external solution that has a low solution concentration and high
water concentration (swelling cells)
8. Respiratory Acidosis Blood Gas Values: pH <7.35
Pcao2 > 45 mm hG
9. Respiratory Acidosis Causes: - slow, shallow breathing
- respiratory congestion or obstruction
10. Metabolic Acidosis Blood Gas Values: pH <7.35
HCO3 <22 mEq/L
11. Metabolic Acidosis Causes: - shock (poor circulation)
- diabetic ketoacidosis
- renal failure
- diarrhea
PNR 201
, 3
PNR 201
12. Respiratory Alkalosis Blood Gas Values: pH >7.45
Pcao2 < 35 mm hg
13. Respiratory Alkalosis Causes: hyperventilation
14. Metabolic Alkalosis Blood Gas Value: pH > 7.45
HCO3 > 26 mEq/L
15. Metabolic Alkalosis Cause: - vomiting
- excessive antacid intake
- hypokalemia
16. Side Effects of Diuretics: - frequent urination
- rash
- hypotension
- fluid and electrolyte imbalances
- dizziness
17. Pulse Oximetry (SpO2): noninvasively monitor arterial oxygen
saturation 18. Pulse Oximetry Description: - device attaches to
earlobe, pinna of ear, or fingertip
- alternative placement: toe, forehead, bridge of nose
PNR 201
PNR 201
PNR 201 Exam 3 Review Concepts Questions
with Correct Verified Answers Latest Update
(2025/2026) Guaranteed Pass
1. 1+ Mild Pitting Edema: slight indentation with no perceptible
swelling of the leg
2. 2+ Moderate Pitting Edema: indentation subsides quickly, foot is
perceived as mildly swollen
3. 3+ Deep Pitting Edema: indentation remains for a short time and
legs look swollen
4. 4+ Very Deep Pitting Edema: indentation lasts for a long time
and leg is very swollen
5. Isotnic Solution: equal solute concentration
Normal Saline 0.9% Lactaid Ringers
*any external solution that has the same solute concentration & water
concentration companied to body fluid
6. Hypertonic Solution: greater concentration
PNR 201
, 2
PNR 201
3% NaChl 2.5% Dextrose
*any external solution that has a HIGHER solution concentration than
the body (thinking cells)
7. Hypotonic Solution: less concentration
1/2 NS, 0.25 NaChl, 2.5 Dextrose
*any external solution that has a low solution concentration and high
water concentration (swelling cells)
8. Respiratory Acidosis Blood Gas Values: pH <7.35
Pcao2 > 45 mm hG
9. Respiratory Acidosis Causes: - slow, shallow breathing
- respiratory congestion or obstruction
10. Metabolic Acidosis Blood Gas Values: pH <7.35
HCO3 <22 mEq/L
11. Metabolic Acidosis Causes: - shock (poor circulation)
- diabetic ketoacidosis
- renal failure
- diarrhea
PNR 201
, 3
PNR 201
12. Respiratory Alkalosis Blood Gas Values: pH >7.45
Pcao2 < 35 mm hg
13. Respiratory Alkalosis Causes: hyperventilation
14. Metabolic Alkalosis Blood Gas Value: pH > 7.45
HCO3 > 26 mEq/L
15. Metabolic Alkalosis Cause: - vomiting
- excessive antacid intake
- hypokalemia
16. Side Effects of Diuretics: - frequent urination
- rash
- hypotension
- fluid and electrolyte imbalances
- dizziness
17. Pulse Oximetry (SpO2): noninvasively monitor arterial oxygen
saturation 18. Pulse Oximetry Description: - device attaches to
earlobe, pinna of ear, or fingertip
- alternative placement: toe, forehead, bridge of nose
PNR 201
