The fight-or-flight response is characterized by all of the following physiologic responses, EXCEPT:
A) an increased flow of blood to the skeletal muscles.
B) decreased sympathetic tone and pupil constriction.
C) mobilization of glucose and an increased heart rate.
D) shunting of blood away from the gastrointestinal tract.
Answer: B) decreased sympathetic tone and pupil constriction.
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The thoracic cavity and the upper side of the diaphragm are lined with the visceral pleura
Indicate whether the statement is true or false
Preventive care is the best way to avoid stress and ergonomic-related work injuries
a. true b. false
When angioplasty is performed on a coronary vessel, a stent is typically inserted to do what?
A. Help prevent restenosis B. Reroute blood flow away from the surgical site C. Prevent excess bleeding from the surgical site D. Repair the vessel walls
A poorly positioned AP axial projection (Stryker method) of the proximal humerus demonstrates the lesser tubercle in profile medially. How was the setup mispositioned to obtain such an image?
a. The humerus was elevated to less than a vertical position. b. The central ray was angled less than the required 10-degree cephalic angle. c. The humerus was elevated beyond a vertical position. d. The distal humerus is tilted laterally.