Which of the following is NOT a characteristic of cardiac muscle cells?
a. they have multiple nuclei
b. calcium entry is a trigger for contraction
c. mitochondrion account for 25 percent of cell volume
d. they have short T tubules
Answer: a. they have multiple nuclei
You might also like to view...
A cleft palate results from incomplete development of the _______
A. palatine bones. B. maxillae. C. mandible. D. vomer bone. E. frontal bone.
Bilirubin
A. is found in white blood cells. B. may be reused in erythropoiesis. C. is formed from the globin groups of hemoglobin. D. is made from bile. E. may build up in the circulation and cause jaundice.
The fibrocartilage pad between the medial condyle of the femur and the medial condyle of the tibia is called the ________
A) infrapatellar bursa B) lateral meniscus C) posterior cruciate ligament (PCL) D) anterior cruciate ligament (ACL) E) medial meniscus
In a given volume of blood, about ________% is plasma and ________% is formed elements.
A. 45; 55 B. 60; 40 C. 55; 45 D. 50; 50