The quantal nature of chemical synaptic transmission is BEST supported by observation of:
A. spontaneous mEPPs
B. discrete jumps in EPPs amplitude when [Ca++] is normal
C. EPPs that vary smoothly in amplitude
D. a constant EPP amplitude
E. evoked EPPs smaller than mEPPs
ANS: A
You might also like to view...
Unitary smooth muscle is found in which of the following locations in the body?
A) digestive tract B) reproductive tract C) urinary tract D) all of the above
Which of the following structures is found at the posterior limit of the nasal cavity?
A. Nasal septum B. Choanae C. Conchae D. Fossae E. Vestibule
What variables would you need to calculate the cross-sectional area of a blood vessel?
A) Field diameter B) Total magnification C) Both field diameter and total magnification D) Neither field diameter nor total magnification
Nails are hard derivatives formed from the stratum ________ of the epidermis.
A. corneum B. lucidum C. basale D. granulosum E. spinosum