,
,
, Chapterz1,zThezCellzinzHealthzandzIllness
MultiplezChoice
Identifyzthezchoicezthatzbestzcompleteszthezstatementzorzanswerszthezquestion.
z 1.zWhichzstatementzregardingzthezsodium–potassiumzpumpziszcorrect?
1. Thezcell’szplasmazmembraneziszmorezsolubleztozsodiumzionszthanzpotassiumzions.
2. Thezconcentrationzofzsodiumzionszshouldzbezhigherzinsidezthezcellzcompartment.
3. Thezconcentrationzofzpotassiumzionszshouldzbezhigherzoutsidezthezcel
lzcompartment.
4. Thezactiveztransportzinvolveszpumpingzoutzthreezsodiumzionszandzpumpingzinztw
ozpotassiumzions.
z 2.zInzthezabsencezofzoxygen,zwhichzcellularzfunctionzcreateszthezsamezamountzofzenergyzasziszcreat
edzinthezpresencezofzoxygen?
1. Dissipationzofzpyruviczacid
2. Initiationzofzthezcitriczacidzcycle
3. Activationzofzacetyl-coenzymezA
4. Creationzofzacidosiszviazlacticzacid
z 3.zHowzmanyzadenosineztriphosphatesz(ATPs)zarezproducedzinzaerobiczenergyzmetabolism?
1. 2
2. 3
3. 34
4. 53
z 4.zWhichzcellzorganelleszdifferzinztheirznumberzaccordingztozthezcell’szenergyzneeds?
1. Ribosomes
2. Mitochondria
3. Ribonucleiczacids
4. Deoxyribonucleiczacids
z 5.z Whichzoptionzbestz supportszthezreasonzmorezenergyziszproducedzwhenzazpersonziszexercising?
1. Exercisezcauseszanzincreasezinzthezsynthesiszofzprotein.
2. Thereziszanzincreasezinzthezproductionzofzpyruviczacidzinzthezcells.
3. Thezconversionzofzpyruviczacidztozlacticzacidziszincreasedzbyzexercise.
4. Musclezcellszhavezmorezmitochondriaztozmeetzenergyzdemands.
z 6.zWhenzdoeszribosomalzproteinzsynthesiszcease?
1. Duringzendoplasmiczreticulumzstress
2. Duringzthezsynthesiszofzadenosineztriphosphatez(ATP)
3. Duringzazseverezhypoxiczstate
4. Duringzthezprocessingzofzprohormone
z 7.z Whichzcellularzorganelleszarezresponsiblezforzpropellingz mucuszandzinhaledzdebriszoutzofzthezlungs?
1. Cilia
2. Microfilaments
,
, Chapterz1,zThezCellzinzHealthzandzIllness
MultiplezChoice
Identifyzthezchoicezthatzbestzcompleteszthezstatementzorzanswerszthezquestion.
z 1.zWhichzstatementzregardingzthezsodium–potassiumzpumpziszcorrect?
1. Thezcell’szplasmazmembraneziszmorezsolubleztozsodiumzionszthanzpotassiumzions.
2. Thezconcentrationzofzsodiumzionszshouldzbezhigherzinsidezthezcellzcompartment.
3. Thezconcentrationzofzpotassiumzionszshouldzbezhigherzoutsidezthezcel
lzcompartment.
4. Thezactiveztransportzinvolveszpumpingzoutzthreezsodiumzionszandzpumpingzinztw
ozpotassiumzions.
z 2.zInzthezabsencezofzoxygen,zwhichzcellularzfunctionzcreateszthezsamezamountzofzenergyzasziszcreat
edzinthezpresencezofzoxygen?
1. Dissipationzofzpyruviczacid
2. Initiationzofzthezcitriczacidzcycle
3. Activationzofzacetyl-coenzymezA
4. Creationzofzacidosiszviazlacticzacid
z 3.zHowzmanyzadenosineztriphosphatesz(ATPs)zarezproducedzinzaerobiczenergyzmetabolism?
1. 2
2. 3
3. 34
4. 53
z 4.zWhichzcellzorganelleszdifferzinztheirznumberzaccordingztozthezcell’szenergyzneeds?
1. Ribosomes
2. Mitochondria
3. Ribonucleiczacids
4. Deoxyribonucleiczacids
z 5.z Whichzoptionzbestz supportszthezreasonzmorezenergyziszproducedzwhenzazpersonziszexercising?
1. Exercisezcauseszanzincreasezinzthezsynthesiszofzprotein.
2. Thereziszanzincreasezinzthezproductionzofzpyruviczacidzinzthezcells.
3. Thezconversionzofzpyruviczacidztozlacticzacidziszincreasedzbyzexercise.
4. Musclezcellszhavezmorezmitochondriaztozmeetzenergyzdemands.
z 6.zWhenzdoeszribosomalzproteinzsynthesiszcease?
1. Duringzendoplasmiczreticulumzstress
2. Duringzthezsynthesiszofzadenosineztriphosphatez(ATP)
3. Duringzazseverezhypoxiczstate
4. Duringzthezprocessingzofzprohormone
z 7.z Whichzcellularzorganelleszarezresponsiblezforzpropellingz mucuszandzinhaledzdebriszoutzofzthezlungs?
1. Cilia
2. Microfilaments
