The organ where gas exchange takes place is the:
A. kidney.
B. bladder.
C. intestines.
D. lungs.
Answer: D
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Which of the following drugs are used to prevent or reduce the ability of the blood to form clots?
a. Anticoagulants b. Antithrombotics c. Antiarrhythmics d. A and B
Which of the following is not a general precaution for chemical safety when you work in a laboratory?
A. Hold chemicals directly under your nose when smelling them B. Carry chemical containers with both hands C. Wear protective gear to prevent damage to your skin or clothing D. Work inside a fume hood if the chemical vapor is hazardous E. Store caustic chemicals below eye level
____ standards mandate the availability and use of personal protective equipment, specific training, availability of the hepatitis B vaccination for all employees who have contact with blood borne pathogens, and disposal of biohazardous waste.
A. HIPAA B. NAACLS C. OSHA D. AMA
The gas flow into the high-pressure side regulator is dependent on what two opposing forces?
1. Gas pressure above the diaphragm 2. Gas pressure at the diaphragm 3. Spring tension below the diaphragm 4. Spring tension above the diaphragm a. 1 and 3 c. 2 and 4 b. 2 and 3 d. 1 and 4