Which of the following are symptoms of inflammation?
A. redness, heat, and pain
B. blistering, pain, and swelling
C. heat, swelling, and blistering
D. pain, redness, and bleeding
E. swelling, bleeding, and numbness
A
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Which structure carries postganglionic fibers for distribution in the body wall and limbs?
A) gray ramus B) dorsal ramus C) spinal nerve D) white ramus E) ventral root
"Formed elements" are
A. serum and plasma. B. sodium and potassium. C. blood and lymph. D. blood cells and platelets.
Answer the following statements true (T) or false (F)
1. A precapillary sphincter is a cuff of smooth muscle that regulates the flow of blood into the capillaries. 2. The carotid sinus reflex protects the blood supply to the brain, whereas the aortic reflex is more concerned with maintaining adequate blood pressure in the systemic circuit as a whole. 3. Vasodilation is a widening of the lumen due to smooth muscle contraction. 4. The pulmonary circulation does not directly serve the metabolic needs of body tissues. 5. The most common form of shock is hypovolemic shock.
While unloading the trunk of her car, Amy pulls a muscle. As a result, she has difficulty moving her arm. The attending physician in the emergency room tells her that she injured her latissimus dorsi muscle. Knowing that the latissimus dorsi was a back muscle, Amy doesn't understand what the muscle has to do with her injured arm. Explain the involvement of the muscle in Amy's injury.
What will be an ideal response?