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NUR 445 Exam 2 Latest Update - Exam 65 Questions with 100% Verified Correct Answers with Guaranteed A+ Verified by Professor
blood that moves from the right heart into the left hear without coming into contact with the alveoli. occurs as a result of the emptying of the bronchial and several other veins
into the venous system of the lungs - CORRECT ANSWER: anatomic shunt
diagnose a person with: mucus hyper secretion, wheezes, rhonchi, dyspnea, diminished breath and heart sounds, barrel chest, progressive hypercapnia, progressive
hypoxemia, cor pulmonlae, accessory muscle use - CORRECT ANSWER: obstructive
respiratory disease
diangose a person with: increased respiratory rate, decreased tidal volume, normal to decreased PaO2, SOB, cough, chest pain, fatigue, hx. of weight loss - CORRECT
ANSWER: restrictive pulmonary disease
how much oxygen the tissues are able to get off the hemoglobin molecule to use for
energy in the body - CORRECT ANSWER: oxygen consumptions
how much pressure does carbon dioxide on alveoli exert - CORRECT ANSWER: an
average of 40mmHg
how much pressure does oxygen in the alveoli exert - CORRECT ANSWER: an average
of 100mmHg pressure
how would you assess how much your patients tissues are demanding oxygen? -
CORRECT ANSWER: serum lactate levels, base excess and deficit, and SvO2
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how would you assess your patient's O2 delivery status - CORRECT ANSWER: CO,
Hgb, SaO2, SpO2, PaO2
how would you diagnose DIC - CORRECT ANSWER: - based on clinical condition
- decreased platelet count
- prolonged clotting time
- decreased fibrinogen
- UA = hematuria or bleeding around IV site
how would you treat DIC - CORRECT ANSWER: - treat underlying cause
- volume replacement (blood products, FFP, cry, platelets)
- consider vitamin K or heparin
- support BP
how would you treat neurogenic shock - CORRECT ANSWER: - treat the cause
- maintain spinal stability
- restore vascular volume (vasopressors..)
optimize O2 delivery
list the stages of hypoxemia and their values - CORRECT ANSWER: Measured in PaO2 levels
normal, no hypoxemia: 80-100
mild: 60-75
moderate: 45-59
severe: < 45
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