The neck and abdominal muscles are involved in a
A) quiet exhalation
B) forceful exhalation
C) quiet inspiration
D) None of the answers are correct.
Ans: B) forceful exhalation
You might also like to view...
The equilibrium potential of K+ ions in nerve cells is about -90 mV. The membrane potential of typical nerve cells at rest is -70 mV. Therefore
A. Increasing the permeability of a resting neuronal membrane to K+ will make the membrane potential more negative inside with respect to outside. B. In resting neurons, there is a net diffusion of K+ into the cell. C. changing the resting membrane potential of a neuron to -80 mV would increase K+ diffusion rate out of the cell. D. potassium is the only permanent ion at rest. E. there must be another permanent ion with an equilibrium potential more negative than -90 mV.
Epithelia are connected to underlying connective tissues by
A) a basement membrane and protein filaments embedded in glycoprotein only. B) a basement membrane, protein filaments embedded in glycoprotein, and a basal lamina. C) a basement membrane only. D) protein filaments embedded in glycoprotein only. E) a basal lamina only.
The ____ nerves to the heart alter cardiac output by decreasing heart rate
a. motor. b. sensory. c. sympathetic. d. vagus e. none of these answers.
Which of the following organs produces bile?
a. liver c. gallbladder b. kidney d. pancreas