Discuss the specific nerves involved in the parasympathetic nervous system
What will be an ideal response?
The parasympathetic nervous system is known as the craniosacral division since it involves four cranial nerves and some sacral nerves. The cranial nerves involved are oculomotor nerves (CN III), facial (CN VII), glossopharyngeal nerves (CN IX), and vagus nerves (CN X). The sacral nerves (S2 - S4 ) make up the pelvic nerves.
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The thin segment of the nephron loop's descending limb ________
A) helps to pack a greater number of nephron loops into a smaller space B) aids in the passive excretion of nitrogenous waste C) is easily broken and replaced often D) aids in the passive movement of water out of the tubule
When two or more graded potentials arrive at the trigger zone within a short period of time, their effects are additive and ________ occurs.
Fill in the blank(s) with the appropriate word(s).
When viewing a dissected sheep heart, it is easy to discern the right and left ventricles by ________
A) finding the papillary muscles B) tracing where the auricles connect C) locating the apex D) the thickness of the ventricle walls
The dicrotic notch in the aortic pressure curve is due to the
A. increase in intraventricular pressure during ejection. B. backflow of blood toward the ventricles. C. closure of the left AV valve. D. elasticity of the arterial wall. E. closure of the semilunar valves.