The bolus is liquefied in the ________ and it is now called chyme
A) esophagus
B) stomach
C) small intestine
D) mouth
B
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The consequence of sensory nerve fibers crossing over is that the
A. brain cannot tell from which side of the body a sensory impulse originated. B. left hemisphere of the cerebrum receives sensory impulses originating on the left side of the body and the right hemisphere receives sensory impulses originating on the right side of the body. C. impulses never reach the appropriate lobe of the brain to be interpreted. D. right hemisphere of the cerebrum receives sensory impulses originating on the left side of the body and vice versa.
The plexus formed from the anterior rami of L4-S4 is the ________ plexus.
A. intercostal B. sacral C. brachial D. lumbar E. cervical
This figure shows a frontal view of a human. What does number 1 indicate?
A. Pericardial cavity B. Peritoneal cavity C. Pleural cavity D. Mediastinum E. Pelvic cavity
During the relative refractory period of an action potential, a larger than normal stimulus is needed to cause another action potential. This is due to the fact that ________
A) the voltage gated potassium ion channels remain open long enough to hyperpolarize the axon membrane B) the membrane is now impermeable to all ions C) the sodium potassium pump will stop working during relative refractory D) the inactivation gates on voltage gated sodium ion channels are closed