Angiotensin II elevates systemic blood pressure by
A)triggering arteriole constriction.
B)promoting the release of ANP.
D)promoting the excretion of sodium.
What is the primary function of the vasomotor center of the medulla oblongata?
A)increases cardiac output through sympathetic innervation
B)reduces cardiac output through parasympathetic innervation
C)monitors the chemical composition of blood
D)monitors the degree of stretch in the walls of expandable organs
E)controls the diameters of arterioles through sympathetic innervation
Which of the following monitors the composition of the cerebrospinal fluid?
A)sensory neurons on the surface of the medulla oblongata
B)sensory neurons found in the carotid bodies
C)sensory neurons found in the aortic bodies
D)sensory neurons in the walls of the right atrium
E)sensory neurons in the walls of the carotid sinus
Release of histamines and nitric oxide (NO)
A)triggers baroreceptor reflexes.
B)stimulates the cardioacceleratory centers.
C)promotes increased peripheral resistance.
D)triggers the release of EPO.
E)causes localized vasodilation.