Answers Nutrition and Metabolism
Formed elements in the blood are - CORRECT ANSWER-blood cells and platelets
Biconcave cells in the blood that lack nuclei when they are mature are the - CORRECT
ANSWER-Red blood cells
Which of the following is an agranulocyte - CORRECT ANSWER-monocyte
Which is the correct sequence for differentiation of a red blood cells - CORRECT
ANSWER-hematopoietic lstem lcell, lerythroblast, lreticulocyte, lerythrocyte
Vitamin lB12 lis lpoorly labsorbed lin lthe labsence lof l- lCORRECT lANSWER-
Intrinsic lFactor
Which lof lthe lfollowing lformed lelements lreleases lseratonin l- lCORRECT
lANSWER-Platelets
The lheart lpumps labout_____liters lof lblood la lday land lcontracts labout l_______times
la lday l- lCORRECT lANSWER-7,000L land l2.5 lbillion
The lloose lfitting lsac laround lthe lheart lis lthe l- lCORRECT lANSWER-Fibrous
lpericardium
Which lis lthe lcorrect lsequence lof lparts lthrough lwhich lblood lmoves lfrom lvena lcava lto
lthe llungs l- lCORRECT lANSWER-Right latrium, ltricuspid lvalve, lright lventricle,
lpulmonary lvalve
What lis lthe linner llining lof lthe lheart l- lCORRECT lANSWER-endocardium
In lmitral lvalve lprolapse, lthe lmitral lvalve.... l- lCORRECT lANSWER-Bulges linto lthe
lleft latrium lduring lventricular lcontraction
which lof lthe lfollowing lis ltrue labout lthe lheart l- lCORRECT lANSWER-the lapex
lend lpoints ldownward lat labout lthe l5th lintercostal lspace
which lcorrects lthe lvalve lto lits lcorrect lfunction l- lCORRECT lANSWER-mitral
lvalve lpermits lone lway lblood lflow lfrom lthe lright lventricle lto lthe lpulmonary ltrunk
The lwalls lof lthe lalveoli lare lcomposed lof l- lCORRECT lANSWER-simple
lsquamous lepithelium
, The lfrit levent lin linspiration lis l- lCORRECT lANSWER-the ldiaphragm lmoves
ldownward land lthe lexternal; lintercostal lmuscles lcontract
the lvolume lof lair lthat lenters lor lleaves lduring la lsingle lrespiratory lcycle lis
lthe l- lCORRECT lANSWER-tidal lvolume
the lforce lthat lmoves lair linto lthe llungs lduring linspiration lcomes lfrom l-
lCORRECT lANSWER-atmospheric lpressure
the lright lleg lhas l_______lobes land lthe lleft llung lhas l______lobes l-
lCORRECT lANSWER-Superior lmiddles land linferior, lsuperior land linferior
the lpharynx lfunctions las la______wheras lthe llarynx lfunctions las la l_____ l-
lCORRECT lANSWER-common lpassageway lfor lair land lfood, lpassageway lfor lair
lonly
Chemoreceptors lin lthe lcarotid land laortic lbodies lare lmost lsensitive lto lchanges lin
lblood lconcentration lof l- lCORRECT lANSWER-oxygen
What lare lthe lthree lparts lof lthe lpharynx l- lCORRECT lANSWER-
nasopharynx, loropharynx, llaryngopharynx
one linspiration l+ lone lexhalation l= lwhat l- lCORRECT lANSWER-respiratory lcycle
what lare lthe lparts lof lthe lupper lrespiratory ltract l- lCORRECT lANSWER-nose,
lnasal lcavity, lsinuses, lpharynx
parts lof lthe llower lrespiratory lsystem l- lCORRECT lANSWER-larynx, ltrachea,
lbronchial ltree, llungs
Boyles lLaw l- lCORRECT lANSWER-decrease lof lpressure lin llungs,
latmospheric lpressure lpushes lair linto lthe llungs
Respiration lconsists lof lwhat lfollowing levents l- lCORRECT lANSWER-
Ventilation, lexternal lrespiration, ltransport lof lgases lbetween llungs land lbody
lcells, linternal lrespiration, lcellular lrespiration
Where ldoes lexpiration lcome lfrom l- lCORRECT lANSWER-elastic lrecoil lof llung
ltissue land labdominal lorgans land lsurface ltension lin lthe lalveoli
partial lpressure l- lCORRECT lANSWER-air lis l20%
loxygen latmospheric lpressure lis l760mm
.21 lties l760 lmm l= l160mmHG lis lpartial lpressure lof loxygen
What lare lsome lfactors lthat laffect lbreathing lrate land ldepth l- lCORRECT
lANSWER-partial lpressure lof loxygen, lpartial lpressure lof lCO2, ldegree lof lstretch
lof llung ltissue, lphysical lactivity, lemotional lstate