The __________ provides most of the Ca2+ needed for myocardial contraction.
A) extracellular fluid
B) mitochondria
C) sarcoplasmic reticulum
D) Golgi apparatus
E) cytoskeleton
Correct Answer:
Verified
Q47: Which is the correct path of an
Q50: The pacemaker potential is a result of
Q51: When sodium channels are fully open,the membrane
Q53: If the sinoatrial (SA)node is damaged,the heart
Q55: The long plateau in the action potential
Q56: Isovolumetric contraction occurs during the _ of
Q143: Mitral valve prolapse causes blood to leak
Q151: Mitral valve prolapse (MVP) generates a murmur
Q155: During isovolumetric contraction, the pressure in the
Q156: In a normal ECG, the deflection that
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents