UNIT 6 Quentiens 21 - 24 composed of the lryer. Contisction of the derace nusle firces urine from the lumen into the detriser masele at the hase of the bladder. The eutemal urraral sphineter, compesed of akeletal metuscle under voluntary control, pervents irination even when the internal sphincler is open and the detrusor muicle contracts. detrusor musele to contref. When the bladter reaches a velime of abeat 200ml in adulta, concrietion of the detruisor musele epens the internal usethen iplinctec. If the external sphineter, under coovelous conteol frem the brain, is then epen the econtraction of the detrusof mascle 21 The intemat and external urethral sphincias respectively are composed of: A. smooth musclo and akeictal musele. B skeletal musele and smooth mascle. C dkeletal musele and eonnpctiye rissae. D smooth muscle and oonoecsive tissue. 22 Oa a very cold day, the bladder would probebly eonesin: A a small antoust of lypertonic urine. C a lerge amount of hypotonic urine. B a suall amount of hypotonic arine: D a lurge ameant of hypertonic urine, 23 Daring micturition, urine passes from the bladder into the: A. kidneys. C. areter. B prostate gland. 24 The internal urethral sphincter is: A closed when the detrusor rinucle is relixed. C separite from the detrusor musele. B open when the detrasor muscle is relaxed. D under voluntary control..

1. UNIT 6 Quentiens 21 - 24 composed of the lryer. Contisction of the derace nusle firces urine from
the lumen into the detriser masele at the hase of the bladder. The eutemal urraral sphineter,
compesed of akeletal metuscle under voluntary control, pervents irination even when the internal
sphincler is open and the detrusor muicle contracts. detrusor musele to contref. When the bladter
reaches a velime of abeat 200ml in adulta, concrietion of the detruisor musele epens the internal
usethen iplinctec. If the external sphineter, under coovelous conteol frem the brain, is then epen
the econtraction of the detrusof mascle 21 The intemat and external urethral sphincias
respectively are composed of: A. smooth musclo and akeictal musele. B skeletal musele and
smooth mascle. C dkeletal musele and eonnpctiye rissae. D smooth muscle and oonoecsive
tissue. 22 Oa a very cold day, the bladder would probebly eonesin: A a small antoust of lypertonic
urine. C a lerge amount of hypotonic urine. B a suall amount of hypotonic arine: D a lurge ameant
of hypertonic urine, 23 Daring micturition, urine passes from the bladder into the: A. kidneys. C.
areter. B prostate gland. 24 The internal urethral sphincter is: A closed when the detrusor rinucle is
relixed. C separite from the detrusor musele. B open when the detrasor muscle is relaxed. D under
voluntary control.