You are treating a 42-year-old female exhibiting signs of shock. You do not suspect a spinal injury. To try to improve blood flow to the heart, you should position the patient:
a. supine with her feet elevated 812 inches above the level of the heart.
b. flat on her left side.
c. supine with the bed tilted so that her head is lower than her feet.
d. with her head slightly elevated and her arms raised over her head.
Question 2
The smaller branches of the arterial tree that contain a muscular layer that enables changes in vessel diameter are called _______; these vessels ________.
a. resistance vessels; enable the body to control how much blood is directed toward an area based on that area's metabolic needs
b. distributive vessels; sense oxygen levels and increase heart rate when the brainstem detects dropping O2 levels or rising CO2 levels
c. arterioles; exchange O2 and CO2 and rid the body of waste products
d. metabolic vessels; trigger the release of glucose into the circulatory system