The inhibitory neurotransmitters of the CNS, GABA and glycine, act by opening ________ channels.
A) Na+ and K+
B) only Ca2+
C) only K+
D) only Na+
E) only Cl-
E) only Cl-
Anatomy & Physiology
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During inspiration, intra-alveolar pressure is __________ than atmospheric pressure
Fill in the blank(s) with correct word
Anatomy & Physiology
In humans, the term anterior is the same as __________.
Fill in the blank(s) with the appropriate word(s)
Anatomy & Physiology
A muscle that controls the diameter of an opening is a ________ muscle
A) parallel B) convergent C) pennate D) bipennate E) circular
Anatomy & Physiology
The figure illustrates changes in the membrane potential during an action potential. What does "E" represent?
A. Local potential B. Depolarization C. Repolarization D. Afterpotential E. Threshold
Anatomy & Physiology