There is potential danger of infection to the brain because facial veins have:
A. variations in venous drainage
B. several branches
C. do not have valves
D. valves that open in the direction of the flow of blood.
Answer: C
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Answer the following statement true (T) or false (F)
Which drug category normalizes the heartbeat in certain cases of cardiac arrhythmias?
A. Expectorant B. Anthelmintic C. Hemostatic D. Antiarrhythmic E. Anticoagulant
Subtraction is the process of taking one number away from another number to find the sum between the numbers
Indicate whether the statement is true or false
Which component of a N2O-O2 delivery system reduces gas pressures from tanks before delivery into tubing and pipes?
A) Regulator B) Manifold C) Pin index safety system D) Flow meter