In humans, the body systems interact with each other to maintain a stable internal environment. An example of this is the nervous system, which works with the cardiovascular system to maintain a steady blood pressure. The ability of an organism to adjust its physiologic processes to maintain a relatively stable internal environment is known as:
a. homeostasis.
b. electrophysiology.
c. metabolism.
d. dependency.
Answer: a
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The mother of a 15-month-old patient states she has "had the croup" for the past several hours. She is now lethargic, with grunting respirations at a rate of 60 per minute and a pulse of 150. You should:
A) perform a head-tilt, chin-lift maneuver and begin ventilations. B) perform a jaw-thrust maneuver and begin ventilations. C) administer abdominal thrusts. D) place a small folded towel under the shoulders and begin ventilations.
You have arrived on a scene in which one person has been shot in the head. As you approach the patient, you note that he is sitting up and talking with the police. He is holding a blood-soaked towel over the left temporal area of his head. Which one of the following is your initial action in caring for this patient?
A) Determine the need for a nasal or oral airway. B) Remove the towel to assess the gunshot wound. C) Take manual inline spinal stabilization. D) Obtain a pulse rate, respiratory rate, and blood pressure.
Acute leukemias, especially monocytic leukemias, may cause oral manifestations of bleeding and:
a. Generalized gingival hyperplasia b. Mucous extravasation c. Focal lymphoid hyperplasia d. Melanosis e. All the above
Infection control committees are charged with preventing and investigating community-acquired infections
Indicate whether the statement is true or false