The cardiac control center is located in the ________.
A. hypothalamus
B. medulla oblongata
C. midbrain
D. pons
Answer: B
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Compare and contrast neurotransmitters and hormones.
What will be an ideal response?
Following a traumatic injury, a 19-year-old woman presents with confusion, tachycardia, and significant hypotension. Her skin is cool, clammy, and pale. Further assessment reveals abdominal rigidity and deformity with severe pain over her thoracic vertebrae. In addition to administering high-flow oxygen and immobilizing her spine, you should:
A) start at least one large-bore IV line and give crystalloid boluses as needed to maintain adequate perfusion. B) conclude that she is in neurogenic shock, start an IV line of normal saline, and initiate a dopamine infusion. C) start at least one large-bore IV of normal saline and administer a narcotic analgesic to treat her severe pain. D) perform a focused history and physical exam, start an IV of normal saline, and administer a corticosteroid.
Hyperventilation is the body's response to ________
A) increased carbon dioxide levels in the blood B) increased oxygen levels in the blood C) decreased carbon dioxide levels in the blood D) alkalosis E) increased blood pH
Which of the following is NOT a function of the blood?
a. regulation of pH and ion composition of interstitial fluids b. defense against pathogens c. transportation of gases, nutrients, hormones, and wastes d. all of the listed responses are functions of blood