When sodium channels are fully open, the membrane of the ventricular cardiocyte ________
A) sharply depolarizes
B) sharply repolarizes
C) plateaus
D) sharply hyperpolarizes
E) has no response
A
You might also like to view...
The most immediate artery responsible for supplying the teeth, gums, nasal cavity, and meninges is the ________ artery.
A. maxillary B. occipital C. lingual D. superficial temporal E. ascending pharyngeal
Dehydration can be caused by:
a. prolonged vomiting b. prolonged diarrhea c. too little fluid intake d. all of the above
The enhanced ability of a sperm to move and fertilize is called ___________
Fill in the blank(s) with correct word
Which of the following best explains why nerve regeneration is limited in the CNS?
A. Ependymal cells attack damaged neurons B. Oligodendrocytes cannot reproduce myelin C. Microglia produce toxins that destroy myelin D. Astrocytes release chemicals that block regrowth of axons