If rouleaux is suspected as being the cause of a positive Rh control in the immediate spin phase, what action should be taken?
a. Incubate the test and control at 39.2 ° F (4 ° C) for 10 minutes
b. Incubate the test and control at 98.6 ° F (37 ° C) for 15 minutes
c. Repeat the test and control using saline washed red blood cells
d. Repeat the test and control using warmed red blood cells
Answer: c
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Increased heart rate may be a sign of early shock, especially when coupled with a decreased ____________________ blood pressure.
Fill in the blank(s) with the appropriate word(s).
The production of cold agglutinins with infection by Mycoplasma pneumoniae is due to
A) the production of hydrogen peroxide. B) adhesions produced by the organism. C) activation of T and B cells. D) an autoimmue response.
Which of the following is an exocrine gland?
A. thymus B. pituitary gland C. sweat gland D. all of the above
Which of the following are examples of a reservoir in the infection cycle?
a. Excretions and secretions b. Immunosuppressants and the elderly c. Equipment and water d. Respiratory tract and broken skin e. Protozoa and fungi