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According to the gate-control theory, passage of pain impulses may be naturally blocked
at the synapse by entry of other sensory impulses
What is the term used to describe the degree of pain that is endured before an individual takes action?
Which of the following applies to spinal anesthesia?
The drug is injected into CSF or the epidural space of the spinal cord
Which of the following statements is characteristic of alcohol? It
may cause congenital defects in infants born to alcoholic mothers
Which of the following apply to abuse of anabolic steroids? They
often cause permanent damage to the cardiovascular system
Which of the following are considered to be the toxic effects of a drug?
serious, possibly life-threatening effects
Which is the route of administration by which the largest proportion of the drug dose is likely lost before reaching the site of action?
What is the reaction called when two drugs interact to produce a result much greater that the sum of individual effects?
What are the first priorities in the assessment of a patient in an emergency situation?
level of consciousness and respiratory function
Which of the following would result from a reduced number of erythrocytes in the blood?
Which of the following best describes the characteristics erythrocyte associated with pernicious anemia?
megaloblastic or macrocytic nucleated cells
What is the cause of oral ulcerations and delayed healing occurring with any severe anemia?
deficit of oxygen for epithelial cell mitosis
Why is pernicious anemia treated with injections of vitamin B12?
The ingested vitamin would not be absorbed into the blood
Which of the following applies to sickle-cell trait?
sickling of erythrocytes occurs with severe hypoxia
Multiple opportunistic infections develop with acute leukemia primarily because
many circulating leukocytes are immature
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