Graded (local) potentials have ALL of the following characteristics EXCEPT
A) one-way propagation.
B) variation of amplitude.
C) comparatively long duration.
D) no refractory period.
Answer: A) one-way propagation.
You might also like to view...
Which of the following is the correct sequence of parts through which blood moves from the vena cava to the lungs?
A. Right atrium, tricuspid valve, right ventricle, pulmonary valve B. Right ventricle, tricuspid valve, right atrium, pulmonary valve C. Right ventricle, pulmonary valve, right atrium, tricuspid valve, right ventricle D. Right atrium, pulmonary valve, right ventricle, tricuspid valve
Tony hit his head in a car accident. The physicians diagnosed him with a subdural hemorrhage. Which of the following correctly states where the bleeding has occurred in his brain?
A) Blood is between the dura mater and the skull. B) Blood is between the pia mater and arachnoid mater. C) Blood is between the pia mater and the brain. D) Blood is between the superior sagittal sinus and inferior sagittal sinus. E) Blood is between the dura mater and the arachnoid mater.
Match the cell type with the hormone produced by that cell type.A. MineralocorticoidsB. PTHC. InsulinD. ADHE. T3Zona glomerulosa cells
Fill in the blank(s) with the appropriate word(s).
Hypocalcemia can cause ________.
A. muscle weakness B. depression of the nervous system C. muscle spasms D. sluggish reflexes E. emotional disturbances