The impulse that signals each heartbeat is conducted along which path?
1) atrioventricular node
2) bundle branches
3) sinoatrial node
4) atrioventricular bundle
a. 1 ? 2 ? 3 ? 4
b. 1 ? 3 ? 4 ? 2
c. 3 ? 1 ? 4 ? 2
d. 3 ? 4 ? 2 ? 1
e. 4 ? 1 ? 2 ? 3
C
You might also like to view...
While observing a new species of seaweed under the microscope, it becomes apparent that the entire organism is one large cell containing several nuclei. Which of the following best describes the organization of this organism?
A. coenocytic B. complex multicellular C. simple multicellular D. filamentous E. eukaryotic
Hair cells are important in the sense of:
a. touch b. hearing c. taste d. sight e. equilibrium
When a population is made up of individuals who are genetically identical, each individual is said to be a ____ of the
other individuals.
a. homolog b. clone c. twin d. recombinant e. probe
When treated with reagents that destroy _____________, the bacterial nucleoid will unfold
a. lipids only. b. RNA only. c. proteins only. d. RNA or proteins. e. RNA, proteins, or lipids.