During the period of ventricular filling ________.
A) pressure in the heart is at its peak
B) blood flows passively through the atria and the open AV valves into the ventricles
C) the atria remain in diastole
D) it is represented by the P wave on the ECG
B) blood flows passively through the atria and the open AV valves into the ventricles
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Diffusion, enzymatic degradation, and uptake by cells are all ways to
a) remove a neurotransmitter b) stop a spatial summation c) continue a temporal summation d) inhibit a presynaptic potential e) excite a presynaptic potential
Define tissue
What will be an ideal response?
A blood vessel with a regular, round profile in cross section, a diameter of about 100 ?m, and one to two layers of smooth muscle would be classified as a(n):
a. Arteriole b. Capillary c. Elastic artery d. Muscular artery e. Venule
Which of the following descriptions best matches the term ossicles?
A) move up and down when the stapes moves back and forth B) transmit movement of the tympanic membrane to the inner ear C) bending these produces receptor potential in hair cells D) tiny weights necessary for the static sense of equilibrium E) seal the oval window