Which type of innervation causes pupil dilation?
A. Parasympathetic
B. Sympathetic
Answer: B
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Bile salts are derivatives of cholesterol
Indicate whether the statement is true or false
_____ is an autoimmune disorder. Select one:
a. SLE b. HIV c. AIDS d. HLA
A molecule of air enters the nose through the external nares. Which of the following is the correct pathway to the trachea?
A. nasal cavity, larynx, pharynx, trachea B. oral cavity, nasal cavity, larynx, pharynx, trachea C. nasopharynx, nasal cavity, laryngopharynx, trachea D. nasal cavity, pharynx, larynx, trachea E. nasal cavity, trachea, larynx, pharynx
A 45-year-old unrestrained man was ejected from his small truck when it struck a tree. The patient is found approximately 20 feet from the wreckage. Your primary assessment reveals that he is unresponsive and has sonorous respirations and a rapid pulse. Your initial actions should include:
A) applying a cervical collar and assisting his ventilations with a bag-mask device. B) rolling the patient onto his side as a unit and suctioning his mouth for 15 seconds. C) performing a tongue-jaw lift and looking in his mouth for any obvious obstructions. D) manually stabilizing his head and opening his airway with the jaw-thrust maneuver.