The movement of a substance from an area of high concentration to an area of low concentration across a semi-permeable membrane is
A. diffusion.
B. osmosis.
C. filtration.
D. active transport.
A. diffusion.
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Which of the following statements about patient restraint is FALSE?
A) Patients should be transported in a prone position. B) Restraining the thighs just above the knees can be more effective at preventing kicking than restraining at the ankles. C) Verbal methods of deescalation should be tried before considering physical restraint. D) Neuromuscular blocking agents should never be used to restrain a patient.
Which of the following is true regarding the mechanism of warm-reactive autoimmune hemolytic anemia?
a. Immunoglobulin G (IgG) autoantibodies cause intravascular hemolysis. b. IgG autoantibodies cause extravascular hemolysis. c. Immunoglobulin M (IgM) alloantibodies cause complement activation. d. IgM autoantibodies cause immune complex formation.
Breastfeeding serves as:
A) a source of passive immunity for the child. B) an emotional bonding between mother and child. C) a source of nutrition for the child. D) all of the above.
Dantrolene is used to treat which of the following disorders?
A) multiple sclerosis B) myocardial infarction C) stroke D) A and C