A patient presents with several symptoms, including reflux esophagitis. What is probably the cause of this symptom?
A) Inguinal hernia B) Umbilical hernia
C) Hiatal hernia D) Diaphragmatic hernia
C
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What would result from a lack of extracellular Ca2+ at the neuromuscular junction?
A. Synaptic vesicles would fail to fuse and ACh would not be released. B. The neuron must use its intracellular Ca2+ to make the vesicles fuse. C. Potassium ions are used in place of Ca2+ to ensure the vesicles fuse. D. Nothing would happen because extracellular Ca2+ does not play a role in muscle stimulation. E. Excessive synaptic vesicles would fuse and release too much ACh, overstimulating the myofiber.
The activities of the nervous system, comprised of conscious thoughts, plans, and actions,
A) regulate all vital physiological functions. B) include the majority of nervous activity. C) represent only a small portion of the activities of the nervous system. D) are all that are necessary to sustain life. E) may require instructions or modifications from the ANS to function correctly.
Calculate the NFP, if the GHP is 50 mm Hg, the GCOP is 30 mm Hg and the CHP is 15 mm Hg.
a) NFP = 5 mm Hg b) NFP = 10 mm Hg c) NFP = 35 mm Hg d) NFP = 65 mm Hg
If the atlas and axis were replaced with typical cervical vertebrae, ________ would be affected.
A. protection of the spinal cord B. the ability to pivot the head from side to side C. stability of the cervical intervertebral disks D. the ability to move the arms