Which of the following is false about viscosity?

a. The greater the viscosity, the greater is the opposition to flow.
b. Viscosity is most important under condi-tions of turbulent flow.
c. The stronger the cohesive forces, the greater the viscosity.
d. Fluid viscosity is equivalent to friction between solids.


ANS: B
Laminar flow consists of concentric layers of fluid flowing parallel to the tube wall at velocities that increase toward the center.

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The therapist is about to use an MO-MA ventilation device that has a dead space volume of 300 ml to resuscitate an adult victim. What should the therapist do at this time?

A. This MO-MA device is acceptable to use. B. This MO-MA device should only be used with pediatric victims. C. This MO-MA resuscitation device should only be used for victims who have no cervical spine injury. D. This MO-MA resuscitation device should not be used in this situation.

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Albumin, a plasma protein, aids in keeping the correct amount of water in the blood

Indicate whether the statement is true or false

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The maximum shelf life for a sterile pack is

A. 30 days. B. 60 days. C. 133 days. D. 1 year.

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Which of the following is a characteristic of T lymphocytes?

a. Phagocytosis of bacteria b. Antibody synthesis c. Cytokine secretion d. Few in number within peripheral blood

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