NURS 640 old material Exam 4 with
correct answers
Sp02 95-100% - correct answer ✔Normal
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Sp02 91-94% - correct answer ✔Mild hypoxia
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Sp02 86-90% - correct answer ✔Moderate hypoxia
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SpO2 <40% - correct answer ✔Severe hypoxia
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ABG normals - correct answer ✔Ph 7.35-7.45
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Co2 35-45
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PaO2 80-100 |
HCO3 22-26 |
PaO2 80-100 - correct answer ✔Normal
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PaO2 60-79 - correct answer ✔mild hypoxemia
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PaO2 40-59 - correct answer ✔moderate hypoxemia
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,PaO2 <40 - correct answer ✔severe hypoxemia
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Contraindications to ABGs - correct answer ✔Infection at the puncture site,
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thrombus at the puncture site, burns at the puncture site, abnormal modified
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Allen's test, active Raynaud's Syndrome, Severe PVD in the artery of the
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puncture site, or supratherapeutic coagulopathy.
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Negative modified Allen test - correct answer ✔If the hand does not flush
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within 5-15 seconds, it indicates that ulnar circulation is inadequate or
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nonexistent; in this situation, the radial artery supplying arterial blood to that
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hand should not be punctured.
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Causes of respiratory acidosis - correct answer ✔hypoventilation: CNS
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depression, Sedation, Chest wall injury, Respiratory obstruction
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Causes of respiratory alkalosis - correct answer ✔hyperventilation: Anxiety,
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Pain, Fever, Sepsis, Pregnancy, Severe anemia
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Causes of metabolic acidosis - correct answer ✔lactic acidosis, DKA, Renal
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failure, Base deficit, Severe diarrhea
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Causes of metabolic alkalosis - correct answer ✔• Acid deficit: NG suction,
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Prolonged vomiting, Diuretics
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• Base excess: Massive transfusion, Excess diuretics, Excess antacids
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Pulse ox limitations - correct answer ✔SpO2 < 80%
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Movement
, Bright light interference
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Intravascular interference (ex: dye) | | |
Extravascular interference (ex: polish) | | |
Non-functional hemoglobin |
Reduced blood flow | |
PaO2/FiO2 - correct answer ✔PaO2/FIO2, norm 350-450mmHg, <300 indicates
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acute lung injury, <200 indicates ARDS, >200
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3 most common causes of nocturnal cough, SOB, wheeze, chest tightness. -
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correct answer ✔Asthma, COPD, HF
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OSA Associated health issues: - correct answer ✔HTN, CAD, CHF, a-fib, stroke,
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DM type 2, Mood disorders (ex: depression, anxiety), insomnia, RLS,
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OSA Physical exam - correct answer ✔obesity, enlarged neck, narrow airway
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(tongue enlargement, tonsil enlargement), small recessed jaw.
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OSA subjective date - correct answer ✔sleepiness, non-restorative sleep,
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fatigue, awakenings, gasping, choking, snoring, apnea, restless sleep.
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STOP-Bang - correct answer ✔(1 point for each positive finding)
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Snoring (needs bedpartner)
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Tired/fatigued/sleepy during daytime (such as falling asleep during driving or | | | | | | | | |
talking to someone)?
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Observed Apneas (stope breathing, chocking, or gasping)
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correct answers
Sp02 95-100% - correct answer ✔Normal
| | | | |
Sp02 91-94% - correct answer ✔Mild hypoxia
| | | | | |
Sp02 86-90% - correct answer ✔Moderate hypoxia
| | | | | |
SpO2 <40% - correct answer ✔Severe hypoxia
| | | | | |
ABG normals - correct answer ✔Ph 7.35-7.45
| | | | | |
Co2 35-45
|
PaO2 80-100 |
HCO3 22-26 |
PaO2 80-100 - correct answer ✔Normal
| | | | |
PaO2 60-79 - correct answer ✔mild hypoxemia
| | | | | |
PaO2 40-59 - correct answer ✔moderate hypoxemia
| | | | | |
,PaO2 <40 - correct answer ✔severe hypoxemia
| | | | | |
Contraindications to ABGs - correct answer ✔Infection at the puncture site,
| | | | | | | | | |
thrombus at the puncture site, burns at the puncture site, abnormal modified
| | | | | | | | | | | |
Allen's test, active Raynaud's Syndrome, Severe PVD in the artery of the
| | | | | | | | | | | |
puncture site, or supratherapeutic coagulopathy.
| | | | |
Negative modified Allen test - correct answer ✔If the hand does not flush
| | | | | | | | | | | |
within 5-15 seconds, it indicates that ulnar circulation is inadequate or
| | | | | | | | | | |
nonexistent; in this situation, the radial artery supplying arterial blood to that
| | | | | | | | | | | |
hand should not be punctured.
| | | | |
Causes of respiratory acidosis - correct answer ✔hypoventilation: CNS
| | | | | | | |
depression, Sedation, Chest wall injury, Respiratory obstruction
| | | | | | |
Causes of respiratory alkalosis - correct answer ✔hyperventilation: Anxiety,
| | | | | | | |
Pain, Fever, Sepsis, Pregnancy, Severe anemia
| | | | | |
Causes of metabolic acidosis - correct answer ✔lactic acidosis, DKA, Renal
| | | | | | | | | |
failure, Base deficit, Severe diarrhea
| | | | |
Causes of metabolic alkalosis - correct answer ✔• Acid deficit: NG suction,
| | | | | | | | | | |
Prolonged vomiting, Diuretics
| | |
• Base excess: Massive transfusion, Excess diuretics, Excess antacids
| | | | | | | |
Pulse ox limitations - correct answer ✔SpO2 < 80%
| | | | | | | |
Movement
, Bright light interference
| |
Intravascular interference (ex: dye) | | |
Extravascular interference (ex: polish) | | |
Non-functional hemoglobin |
Reduced blood flow | |
PaO2/FiO2 - correct answer ✔PaO2/FIO2, norm 350-450mmHg, <300 indicates
| | | | | | | |
acute lung injury, <200 indicates ARDS, >200
| | | | | | |
3 most common causes of nocturnal cough, SOB, wheeze, chest tightness. -
| | | | | | | | | | |
correct answer ✔Asthma, COPD, HF
| | | | |
OSA Associated health issues: - correct answer ✔HTN, CAD, CHF, a-fib, stroke,
| | | | | | | | | | |
DM type 2, Mood disorders (ex: depression, anxiety), insomnia, RLS,
| | | | | | | | | |
OSA Physical exam - correct answer ✔obesity, enlarged neck, narrow airway
| | | | | | | | | |
(tongue enlargement, tonsil enlargement), small recessed jaw.
| | | | | | |
OSA subjective date - correct answer ✔sleepiness, non-restorative sleep,
| | | | | | | |
fatigue, awakenings, gasping, choking, snoring, apnea, restless sleep.
| | | | | | | |
STOP-Bang - correct answer ✔(1 point for each positive finding)
| | | | | | | | |
Snoring (needs bedpartner)
| |
Tired/fatigued/sleepy during daytime (such as falling asleep during driving or | | | | | | | | |
talking to someone)?
| | |
Observed Apneas (stope breathing, chocking, or gasping)
| | | | | |
