When a person has Guillain-Barré syndrome, how are peripheral nerves affected?
a. They hypertrophy.
b. They fail to reproduce.
c. The myelin sheath is removed.
d. Schwann cells attack the peripheral nerves.
C
The autoimmune disorder found with Guillain-Barré syndrome results in the removal of the myelin sheath from around the peripheral nerve.
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Indicate whether the statement is true or false
The malleus is part of the external ear
a. True b. False Indicate whether the statement is true or false
You and your partner arrive at the scene of an unresponsive male patient. Your assessment reveals that he is pulseless and apneic. The patient's wife tells you that he collapsed about 10 minutes ago. You should:
A) ask the patient's wife if her husband has a living will. B) apply the defibrillator pads and assess his cardiac rhythm. C) initiate CPR as your partner applies the defibrillator pads. D) begin CPR with a compression to ventilation ratio of 15:2.
The portion of the female reproductive tract in birds that directs the egg to the cloaca is the:
A) uterus B) urodeum C) vagina D) isthmus