In which part of the respiratory system does the exchange of oxygen and carbon dioxide take place?
a. alveoli
b. bronchi
c. bronchioles
d. pulmonary vein
a
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Which of the following endocrine substances acts as a marker for congestive heart failure?
A) BNP B) Angiotensin C) ACTH D) Troponin
Which of the following most accurately describes a Valsalva maneuver?
A) Firmly pressing the carotid artery against the transverse process of the vertebra behind it B) Asking the patient to bear down as if to move his bowels with his nose and mouth closed C) Digital rectal stimulation D) Immersing the face in cold water
The statute of limitations varies by state and by the type of:
a. legal claim b. false claim c. legal action d. prosecution
A surgeon writes an order for lung expansion therapy for a 28-year-old 110-lb woman who has undergone lower abdominal surgery
In evaluating this patient at the bedside, you obtain a VC of 800 ml and an IC of 44% predicted. Although a chest radiograph indicates basal atelectasis, she has no problem with retained secre-tions. What lung expansion treatment would you recommend? a. Intermittent positive-pressure breathing at 6 to 8 breaths/min at 10 to 15 ml/kg b. Continuous positive airway pressure ther-apy at 10 cm H2O for 24 hr c. Positive end expiratory pressure therapy with bronchodilator and bronchial hygiene d. Incentive spirometry 10 times an hour at an initial volume of 500 to 600 ml