Under ordinary circumstances, the inflation reflex is initiated by
A) Noxious chemicals
B) ventral respiratory group
C) overinflation of the alveoli and bronchioles
D) the pontine respiratory group
Answer: C) overinflation of the alveoli and bronchioles
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The first heart sound is the closing of the:
a. pulmonary semilunar and aortic semilunar valves b. tricuspid and mitral valves c. mitral and bicuspid valves d. tricuspid and pulmonary semilunar valves
Some loop diuretics inhibit sodium and chloride reabsorption in the nephron loop. These would be useful for patients with which condition?
A. Hypertension B. Diabetes mellitus C. Diabetes insipidus D. Hypotension
The circuitry of the autonomic system allows for control in activation. The characteristic that allows a small number of preganglionic cells to stimulate a large number of postganglionic cells is
A. divergence. B. reciprocal innervation. C. reverberation. D. convergence.
Which one of these muscles helps to open the mouth (depress the mandible)?
A) Zygomaticus major B) Depressor anguli oris C) Digastric D) Hyoglossus E) Sternohyoid