Answer the following statements true (T) or false (F)
1. The presence of a neurilemma is necessary for the repair of an injured neuron.
2. Oligodendrocytes and Schwann cells have the same function but in different parts of the nervous system.
3. The terms nerve and neuron mean the same thing.
4. A ganglion is a group of cell bodies located in the central nervous system.
5. Saltatory conduction occurs only in myelinated neurons.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
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A person has an infection of the middle ear structure that equalizes external and internal pressure, which causes the eardrum to have difficulty vibrating with incoming sound. Which structure should care address?
A) Eustachian tubes B) Ossicles C) Semicircular canals D) Tympanic membrane
Which of the following arteries is the first to arise from the aortic arch?
A) left subclavian artery B) brachiocephalic trunk C) bronchial artery D) left common carotid
What is the near point of vision?
A. The point at which a viewed image is not inverted on the retina. B. The region of the electromagnetic spectrum which can be detected by the rods and cones. C. The region of the macula in which the rods and cones are most concentrated. D. The closest point at which an object can be held and seen without appearing blurred.
Thin filaments are mostly made of the protein
What will be an ideal response?