Explain the importance of facial expressions as a form of nonverbal communication
Facial expressions are perhaps the most important nonverbal communicator. The eyes can communicate several kinds of messages. Eye contact is another form of facial expression, and is often viewed as a sign of interest in the individual. Certain movements of the eyebrow seem to indicate questioning, while others may disclose feelings of amusement, surprise, puzzlement, or worry. The manner in which the forehead is wrinkled also sends similar messages.
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A clinical laboratory receives a new lot of PTT reagent, so clinical laboratory scientists in the laboratory need to establish the heparin therapeutic range for this new reagent lot. How should this be done?
a. Compare PTT results for patient heparinized samples to those for the lot of PTT reagent that is presently being used. b. Perform chromogenic Xa and PTT assays on patient heparinized samples, and do a statistical analysis of result comparisons. c. Add heparin at various therapeutic concentrations to normal plasma, and perform PTT on each concentration using the new lot of reagent. d. Add heparin at high concentration to one normal plasma, make dilutions of this plasma, and then perform PTT on each diluted sample using the new lot of reagent.
Which type of end feel is typically associated with TRUE frozen shoulder?
A) bone-on-bone-like B) tissue stretch C) tissue-on-tissue D) leathery
Children with ________ diseases should wait in an area away from well children to prevent transmission of illnesses.
Fill in the blank(s) with the appropriate word(s).
A patient presents with a rapid and weak pulse, shallow breathing, hypotension, and cold and clammy skin after a fall from a tree. What might the patient be suffering from?
A) Seizure B) Syncope C) Internal bleeding D) Emotional crisis