The human body selectively recruits one size motor unit before another. Which size is recruited first, and why is this efficient?
What will be an ideal response?
ANS: Small motor units are recruited before large so that the "first" response is a small, relatively slow
one. This allows the body to gauge the need for a large response in order to prevent both
overresponse and waste of energy.
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What are the five elements of respiratory hygiene/cough etiquette?
a. __________________________ b. __________________________ c. __________________________ d. __________________________ e. __________________________
A person who has a splenectomy is at higher risk for what complication?
A) Viral infection B) Bacterial infection C) Anemia D) Cancer
Currently, there is a debate within your organization regarding the use of codes in your medical communications and radio traffic. As you are in favor of using plain English and doing away with codes, a strong argument to justify this position would be:
A) Codes increase the amount of air time needed to relay information B) The code system can be made public, allowing others to hear confidential information C) The use of codes does not allow the EMT to practice his or her medical terminology D) Some medical information can be too complex for a simple code system
An 18-year old patient has a WBC count of 9 ?109/L and 60% lymphs, 30% neutrophils, 6% monocytes, 3% eosinophils, and 1% basophils. The following that best describe this condition are:
a. Relative and absolute neutrophilia. b. Absolute neutropenia and absolute lymphocytosis. c. Relative neutropenia and absolute lymphocytosis. d. Relative lymphocytopenia and relative neutropenia.