Choose the correct sequence of current flow through the heart wall.
a. AV node, SA node, Purkinje fibers, AV bundle of His, right and left bundle branches
b. SA node, AV node, AV bundle of His, right and left bundle branches, Purkinje fibers
c. SA node, Purkinje fibers, AV node, AV bundle of His, right and left bundle branches
d. AV node, Purkinje fibers, AV node, AV bundle of His, right and left bundle branches
e. Purkinje fibers, AV node, AV bundle of His, right and left bundle branches, SA node
Answer: b. SA node, AV node, AV bundle of His, right and left bundle branches, Purkinje fibers
You might also like to view...
The term internal means
A. the front of the body or body part. B. nearer the inside or core of the body or an organ. C. away from the midline of the body. D. lying on the back, face upward. E. toward the tail end of the spine.
One of the parallel filaments projecting from a bird's main feather shaft is called a(n) ________________________________________
Fill in the blank(s) with correct word
Which of the following is an excitatory neurotransmitter in the brain?
A. Lipofuscin B. Glutamate C. Glycine D. Gamma-aminobutyric acid (GABA) E. Aspartate
An example of chemical digestion is the break down of ________ into ________.
A. fatty acids; cholesterol B. amino acids; proteins C. polysaccharides; amino acids D. nucleic acids; nucleotides E. proteins; nucleotides