Someone has called 911 for assistance, but the telephone connection is so poor that dispatch cannot hear what they are saying. This is a(n) ________ barrier to communication.
A. physical
B. emotional
C. perceptual
D. language
Answer: A
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An autosomal recessive disorder of iron metabolism, which is characterized by excessive iron absorption and accumulation in various tissues in the body, is termed:
a. Hereditary hemochromatosis. b. Wilson's disease. c. ?1-antitrypsin. d. Dubin-Johnson.
Which governmental organization has compiled a list of error-prone abbreviations, symbols, and dose designations?
A) CDC B) HHS C) CLIA D) ISMP
Match the following terms to their definitions.
A. Caused when blood supply to the heart is severely reduced or completely blocked; the muscle cells don't receive enough oxygen and begin to die B. The most common symptom of coronary artery disease; caused by reduced blood supply to the heart muscle and manifested as chest pain C. A change in the normal electrical impulses of the heart that cause a change in rate or rhythm of the heart beat
Which of the following statements about the WBC differential count is NOT correct?
A. Viral infections usually cause increased lymphocytes and increased total WBCs. B. Neutrophils and bands can be increased in bacterial infections. C. Infectious mono causes increased total WBCs. D. Parasitic infections cause an increase in eosinophils.