NURS 644 Exam 1 Questions & Answers | 100%
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Severe PE, COPD, Asthma
Fever, thyrotoxicosis, increased catabolism, metabolic acidosis, exercise,
overfeeding
Upper airway disorders (angioedema, epiglottitis)
Choose an answer
1 Decreased Minute Ventilation 2 Increased deadspace causes
Decreased Neuromusclar fx of resp
3 4 Hypoxemic RF Low Inspired PO2
muscles (metabolic causes)
Don't know?
,Terms in this set (95)
DDX Hypovolemic Shock Intravascular hypovolemia (hemmorhagic shock,
renal loss, GI loss, Third spacing)
Venodilation: anaphylaxis, neurogenic shock,
drugs
Impaired Cardiac Filling: Cardiac Tamponade,
High pleural pressure (PEEP, TPX) other
obstruction (tumor, thrombus)
DDX Cardiogenic Shock Arrhythmia, Systolic RV or LV dysfunction
(Ischemia, CM, metabolic derangement, CCB, BB,
sepsis, myocardial contusion, toxins)
Diastolic Dysfunction: Ischemia, Hypertrophy,
Restrictive CM, Tamponade
Excessive afterload: PE, AS, Hypertrophic
Obstructive CM, ARDS, Malignant HTN
Valve dysfunction: AI, Papillary muscle rupture,
Endocarditis, MS
Device malfunction: ECMO, VAD, IABP
, DDX Distributive Shock Sepsis
Hepatic Failure
Adrenal Insufficiency
Thiamine Deficiency
Toxins (ASA, CO, Cyanide)
Thyroid Storm
AV shunts
Cellular dysoxia (prolonged shock states)
Prerequisites for weaning Recovery of underlying condition
PaO2/FiO2 of >200
PEEP <8
FiO2 < 50%
pH >7.25
Hemodynamic stability
Spontaneous breathing effort
Benefits of NIPPV Less complications: barotrauma, cardiac
arrhythmias, hypotension, volutrauma, VAP
Verified solutions |Questions with Correct
Answers 2026 latest update!!
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Severe PE, COPD, Asthma
Fever, thyrotoxicosis, increased catabolism, metabolic acidosis, exercise,
overfeeding
Upper airway disorders (angioedema, epiglottitis)
Choose an answer
1 Decreased Minute Ventilation 2 Increased deadspace causes
Decreased Neuromusclar fx of resp
3 4 Hypoxemic RF Low Inspired PO2
muscles (metabolic causes)
Don't know?
,Terms in this set (95)
DDX Hypovolemic Shock Intravascular hypovolemia (hemmorhagic shock,
renal loss, GI loss, Third spacing)
Venodilation: anaphylaxis, neurogenic shock,
drugs
Impaired Cardiac Filling: Cardiac Tamponade,
High pleural pressure (PEEP, TPX) other
obstruction (tumor, thrombus)
DDX Cardiogenic Shock Arrhythmia, Systolic RV or LV dysfunction
(Ischemia, CM, metabolic derangement, CCB, BB,
sepsis, myocardial contusion, toxins)
Diastolic Dysfunction: Ischemia, Hypertrophy,
Restrictive CM, Tamponade
Excessive afterload: PE, AS, Hypertrophic
Obstructive CM, ARDS, Malignant HTN
Valve dysfunction: AI, Papillary muscle rupture,
Endocarditis, MS
Device malfunction: ECMO, VAD, IABP
, DDX Distributive Shock Sepsis
Hepatic Failure
Adrenal Insufficiency
Thiamine Deficiency
Toxins (ASA, CO, Cyanide)
Thyroid Storm
AV shunts
Cellular dysoxia (prolonged shock states)
Prerequisites for weaning Recovery of underlying condition
PaO2/FiO2 of >200
PEEP <8
FiO2 < 50%
pH >7.25
Hemodynamic stability
Spontaneous breathing effort
Benefits of NIPPV Less complications: barotrauma, cardiac
arrhythmias, hypotension, volutrauma, VAP
