The most crucial factor determining the resting potential of a neuron is the diffusion of
A. sodium out of the cell through leak channels.
B. potassium into the cell through gated channels.
C. sodium into the cell through gated channels.
D. potassium out of the cell through leak channels.
Answer: D
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Indicate whether the statement is true or false
A cut parallel to the midsagittal plane would produce a(n) ________ section
A) frontal B) transverse C) oblique D) parasagittal E) coronal
Underlying the enamel of a tooth is a connective tissue called __________ that contains odontoblasts.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1) The mandible is the upper jaw bone. 2) The infraorbital foramen allows blood vessels and nerves to pass through the maxilla. 3) The sphenoid bone contains the foramen rotundum and superior orbital fissure. 4) The lacrimal bones form the cheekbones and some of the lateral wall of the orbit. 5) The inner ear bones or ossicles are located within the temporal bones.