The primary auditory cortex is located in the ____________________ lobe of the brain.
Fill in the blank(s) with correct word
(
Question 2) A change in a membrane potential from -70 mV to -60mV is an example of
a. depolarization
b. hyperpolarization
c. polarization
d. repolarization
e. zero potential
(
Question 3) ____________________ is the awareness of body position.
Fill in the blank(s) with correct word
(
Question 4) A threshold potential is
a. the potential achieved when two opposing forces acting upon an ion (concentration and electrical gradients) achieve a state of equilibrium
b. the peak potential achieved during an action potential
c. the point at which there is an explosive increase in Na+ or Ca2+ permeability
d. the potential at which K+ permeability increases
e. always a positive potential
(
Question 5) Cortical areas that control output to skeletal muscles have a thickened layer V, which contains an abundance of large neurons known as ____________________ cells.
Fill in the blank(s) with correct word
(
Question 6) Which term best describes an excitable cell when a resting membrane potential is present?
a. polarized
b. depolarized
c. hyperpolarized
d. repolarized
e. nonpolarized
(
Question 7) ____________________ are contractile cells that wrap around capillary endothelial cells throughout the body.
Fill in the blank(s) with correct word
(
Question 8) Which of the following is/are found in all cells of excitable and nonexcitable tissues?
a. a threshold potential
b. a resting membrane potential
c. gated ion channels
d. all of the above characteristics
e. mechanically-gated channels
(
Question 9) The space between the arachnoid layer and the underlying pia mater, the ____________________ space, is filled with CSF.
Fill in the blank(s) with correct word
(
Question 10) The negative charge established along the cytosolic border a nerve cell membrane is due to
a. movement of sodium ions into the cell
b. movement of proteins out of the cell
c. higher permeability of K+ relative to Na+
d. movement of proteins through membrane channels
e. both b and d
Quick Reply
