During conduction by local current flow, current flows locally between the active and adjacent inactive area of the cell membrane, thereby decreasing the potential in the inactive area to threshold
Indicate whether the statement is true or false
T
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Which two strata of the epidermis are most susceptible to cancer?
A. Stratum corneum and stratum lucidum B. Stratum basale and stratum corneum C. Stratum spinosum and stratum basale D. Stratum granulosum and stratum spinosum E. Stratum lucidum and stratum granulosum
The bone disease ________ is a degenerative disorder, characterized by thinning bones
A) Osteitis B) Osteosarcomas C) Osteomyelitis D) Osteoporosis
The region known as the macula densa is part of
A) the proximal convoluted tubule. B) the distal convoluted tubule. C) the collecting duct. D) the nephron loop (loop of Henle). E) glomerular (Bowman's) capsule.
Acetylcholine slows the heart rate by
A) increasing the permeability to K+ and decreasing the permeability to Ca2+. B) just increasing the permeability to K+. C) just increasing ion influx, thus increasing the rate of depolarization. D) just decreasing the permeability to Ca2+. E) just increasing the permeability to Ca2+.