Questions and Answers |
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Chose the muscle named for its action. - ANSWER ✔✔Adductor
brevis
The ______ promotes hip flexion (thigh flexion) - ANSWER
✔✔Iliopsoas
Which of the following is NOT a rotator cuff muscle? - ANSWER
✔✔Trapezius
, The sternothyroid muscle originates on the ______. - ANSWER
✔✔Sternum
Which Ion is responsible for the exocytosis of neurotransmitter-
containing vesicles at the synapse? - ANSWER ✔✔Calcium
The effect of acetylcholine can be stimulating or inhibiting. Which of the
following gives the best explanation for why this is so. - ANSWER
✔✔Different post synaptic cells will have different receptors.
Collection of nerve cell bodies in the peripheral nervous system are
called _____. - ANSWER ✔✔ganglia
_______ are neuroglia that surround and form myelin sheaths around
nerves in the CNS. - ANSWER ✔✔oligodendrocytes
In what area of the neurons is an action potential initially generated? -
ANSWER ✔✔axon hillock
Which of the following channels are responsible for repolarization of a
neuron? - ANSWER ✔✔Voltage gated potassium channels
Any drug that blocked voltage-gated potassium channels would cause
what problem? - ANSWER ✔✔It would prevent the repolarization
phase of an action potential.