Graves disease, the most common form of hyperthyroidism, is caused by
A) an excess of iodine. B) an improper diet.
C) an autoimmune disorder. D) a lack of iodine.
C
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Extracellular fluid is a protective component of the CNS. The ________ fluid, found inside the pia mater, and the ________ fluid, found in ventricles between the pia mater and arachnoid membrane, make up the extracellular environment for neurons. They communicate across leaky junctions of the ________ membrane and the ________ cell layer that lines the ventricles.
Fill in the blank(s) with the appropriate word(s).
Which statement is correct?
a. Respiratory rate and depth decrease as a compensatory measure to combat metabolic acidosis. b. The respiratory system can compensate completely for uremic acidosis. c. Metabolic alkalosis inhibits (depresses) the respiratory center. d. The respiratory responses to acid-base imbalances represent the first line of defense against changes in pH of the body fluids. e. The respiratory system responds to changes in [H+] only if the kidneys are unable to cope with the change.
Airway resistance
a. is normally the primary factor determining the amount of flow into/out of the lungs b. decreases when the diameter of the airways becomes reduced c. when elevated, requires an increased pressure gradient between the lungs and atmosphere through vigorous respiratory efforts to move even normal volumes of air into and out of the lungs d. is lower in people with asthma e. decreases when lung compliance increases
Which of these would NOT increase pressure on the vessel walls?
What will be an ideal response?