The diffusion of calcium ions into a smooth muscle cell does not depolarize the membrane so no action potential occurs
Indicate whether the statement is true or false.
TRUE
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Which region of the nephron is adapted for reabsorption, as seen in its length and prominent microvilli?
a) proximal convoluted tubule b) distal convoluted tubule c) nephron loop d) collecting duct
Most knee ligaments become taut upon extension of the joint, except for one. Which knee ligament becomes taut upon flexion of the joint, and prevents hyperflexion of the joint?
a. anterior cruciate ligament b. posterior cruciate ligament c. patellar ligament d. tibial collateral ligament
Because of the small diameter of the glomerular capillaries, the blood pressure in the efferent arteriole is __________ that of the pressure in the afferent arteriole.
lower than much higher than much lower than higher than
What does the basilar artery branch into next?
A) Internal carotid artery B) Vertebral arteries C) Anterior communicating artery D) Cerebral arterial circle