Which is the correct path of an electrical excitation from the pacemaker to a cardiocyte in the left ventricle (LV)?
A) Sinoatrial (SA) node ? atrioventricular (AV) node ? Purkinje fibers ? atrioventricular (AV) bundle ? cardiocyte in LV
B) Sinoatrial (SA) node ? atrioventricular (AV) node ? atrioventricular (AV) bundle ? Purkinje fibers ? cardiocyte in LV
C) Atrioventricular (AV) node ? Purkinje fibers ? atrioventricular (AV) bundle ? sinoatrial (SA) node ? cardiocyte in LV
D) Sinoatrial (SA) node ? atrioventricular (AV) bundle ? atrioventricular (AV) node ? Purkinje fibers ? cardiocyte in LV
E) Atrioventricular (AV) node ? sinoatrial (SA) node ? atrioventricular (AV) bundle ? Purkinje fibers ? cardiocyte in LV
B
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A. metaphase. B. anaphase. C. telophase. D. prophase. E. S phase.
Adrenal androgens
A. reduce the inflammatory response. B. stimulate growth of pubic hair in females. C. cause reabsorption of K+ by the kidney. D. decrease the sex drive. E. are produced in the adrenal medulla.
Presence of pus
What will be an ideal response?
Malpighian tubules are part of the ______ excretory system
a. avian b. mammalian c. arthropod d. reptilian e. amphibian