What percent of nitrogen is within the earths atmosphere? A. 12%B. 39.02%C. 78.8%D. 80%

When either the stroke volume or heart rate increases, the blood pressure increases.

Which is a component of one of the most useful and frequently performed diagnostic blood test ? A. Pulmonary edemaB. Differential WBC countC. Patient AssessmentD. Complete blood cell count

what is the normal overall ventilation perfusion VQ ratio in an upright lung? A. 1.0B. 0.5C. 0.8D. 1.2 

Which vessels carry blood away from the heart? A. veins B. arteries C. arterioles D. capillaries

What is a normal platelet count ? A. 250,000 to 500,000 mm/3B. 4000 to 11,000 mm/3C. 3000 to 7000 mm3D. 4 to 6 million

The Earth’s atmospheric gases are subdivided into several layers. Identify at least TWO.

True or false: Mistake of law is usually a valid defense.

Under normal resting conditions, what is the total transit time required for blood to move through the alveolar capillary system? A.  0.25 seconds B. 0.75 seconds C. 1 second D. 0.5 seconds

What lines the anterior ⅓ of the nasal cavity ? A. Stratified squamous epitheliumB. Pseudostratified ciliated epitheliumC. Non ciliated squamous epitheliumD. Squamous epithelium