When drawing blood samples, which of the following should be performed first?
a. Clean the site. b. Find the vein.
c. Apply the tourniquet. d. Identify the patient.
d
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2. Once air enters the lungs, oxygen and carbon dioxide are exchanged across the respiratory membrane composed of the alveolar and pulmonary capillary walls in a process called:
A) internal respiration. B) external ventilation. C) external respiration. D) internal ventilation.
What structure normally paces the healthy heart?
a. Atrioventricular (AV) node b. Sinoatrial (SA) node c. Bundle of His d. Purkinje fibers
Which of the following is not an advantage of using a computerized bookkeeping system?
A. The computer performs mathematical calculations. B. The computer performs repetitive tasks. C. The computer produces reports automatically. D. Built-in tax tables calculate tax liabilities. E. The bookkeeping system is available even if the power goes out.
Which of the following most commonly causes bronchiolitis?
A) Mycoplasma pneumoniae B) respiratory syncytial virus (RSV) C) rhinovirus D) adenovirus