Which of the following is the name of the muscular layer of the bladder?
A. Rugae
B. Detrusor
C. Trigone
D. Muscularis
E. External urethral sphincter
B. Detrusor
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The correct sequential path of a normal action potential in the heart is:
SA node ( AV node ( bundle of His ( bundle branches ( Purkinje fibers SA node ( AV bundle ( AV node ( Purkinje fibers SA node ( AV node ( bundle branches ( AV bundle ( Purkinje fibers AV node ( SA node ( AV bundle ( bundle of His none of the choices are correct
Prostaglandins are eicosanoids derived from the fatty acid ________.
A. arachidonic acid B. linolenic acid C. linoleic acid D. palmitic acid
Helper T cells do all of the following except
A) activate sensitized B cells by costimulation. B) destroy target cells using perforins. C) enhance cell-mediated immunity. D) secrete cytokines to stimulate production of plasma cells. E) enhance antibody-mediated immunity.
The process of emptying the urinary bladder is known as voiding or ________
A) urgency B) incontinence C) micturition D) nocturia