Gradual drifting of membrane potential toward threshold in autorhythmic cells is termed a
A) receptor potential.
B) pacemaker potential.
C) gated potential.
D) ligand-gated potential.
E) action potential.
B
You might also like to view...
Which of the following is not a receptor modality based on stimulus type?
A. Chemoreceptor B. Nociceptor C. Mechanoreceptor D. Interoceptor E. Thermoreceptor
During the period of ____________________ and the period of ____________________ in the cardiac cycle, all heart valves are closed
Fill in the blank(s) with correct word
The binding of a neurotransmitter to inhibitory synapses increases the permeability of the subsynaptic membrane to ____
a. sodium or chloride b. potassium or calcium c. potassium or chloride d. potassium or sodium e. calcium or chloride
What is the alveolar minute volume of a patient with a respiratory rate of 12 breaths/min, a tidal volume of 450 mL, and a dead space volume of 135 mL?
A) 3,650 mL B) 3,780 mL C) 4,260 mL D) 5,400 mL