APHY 102 Chapter 18 Nutrition and
r r r r r
Metabolism A-Graded questions
r r r
and correct answers
r r r
List rseveral rcommon rsources rof rcarbohydrates. r- rCORRECT
rANSWER-Polysaccharides r(complex rsugars): rPlant rfoods, rmeats
Dissacharides r(double rsugars): rMilk rsugar, rcane rsugar, rbeet rsugar,
rmolasses rMonosaccharides r(simple rsugars): rFruits rand rhoney
Explain rwhat rhappens rto rexcess rglucose rin rthe rbody. r- rCORRECT rANSWER-
Excess rglucose ris rpolymerized rto rform rglycogen, rwhich ris rstored rin rthe rliver rand
rmuscles ras ra rreserve. rThe rbody rcan ronly rstore rso rmuch, rso ronce rthis rlimit ris rhit
rthe rremaining rglucose rforms rfat rand ris rstored rin radipose rtissue.
Name rtwo ruses rof rcarbohydrates rother rthan rsupplying renergy. r- rCORRECT
rANSWER-
1. Carbohydrates rcan rbe rused ras rthe rstarting rmaterials rfor rsynthesizing
rbiochemicals, rsuch ras rribose rand rdeoxyribose. r
2. Lactose r(milk rsugar) ris rsynthesized rwhen rthe rbreasts rare ractively rsecreting rmilk. r
Why rdo rdaily rrequirements rfor rcarbohydrates rvary rfrom rperson rto rperson? r-
rCORRECT rANSWER-Physically ractive rindividuals rneeds rmore rcarbohydrates rthan
rsedentary rindividuals rbecause rthey rhave ra rhigher rmetabolism, rtherefore rrequiring
rmore renergy.
Which rfoods rcommonly rsupply rlipids? r- rCORRECT rANSWER-Lipids rare rtypically
rfound rin rfoods rof ranimal rorigin, rsuch ras rlard, rdairy, rmeats, rand reggs. rIt rcan ralso
rbe rfound rin rpalm rand rcoconut roil.
Which rfatty racids rare ressential rnutrients? r- rCORRECT rANSWER-Essential rfatty
racids rinclude rlinoleic r(synthesizes rphospholipids) rand rlinolenic.
What ris rthe rrole rof rthe rliver rin rthe ruse rof rlipids? r- rCORRECT rANSWER-
What rare rthe rfunctions rof rcholesterol? r- rCORRECT rANSWER-
How rdo rcells ruse rproteins? r- rCORRECT rANSWER-
Which rfoods rare rrich rsources rof rprotein? r- rCORRECT rANSWER-
What rare rsome ramino racids rcalled ressential? r- rCORRECT rANSWER-
, Distinguish rbetween ra rcomplete rprotein rand ran rincomplete rprotein? r-
rCORRECT rANSWER-
r r r r r
Metabolism A-Graded questions
r r r
and correct answers
r r r
List rseveral rcommon rsources rof rcarbohydrates. r- rCORRECT
rANSWER-Polysaccharides r(complex rsugars): rPlant rfoods, rmeats
Dissacharides r(double rsugars): rMilk rsugar, rcane rsugar, rbeet rsugar,
rmolasses rMonosaccharides r(simple rsugars): rFruits rand rhoney
Explain rwhat rhappens rto rexcess rglucose rin rthe rbody. r- rCORRECT rANSWER-
Excess rglucose ris rpolymerized rto rform rglycogen, rwhich ris rstored rin rthe rliver rand
rmuscles ras ra rreserve. rThe rbody rcan ronly rstore rso rmuch, rso ronce rthis rlimit ris rhit
rthe rremaining rglucose rforms rfat rand ris rstored rin radipose rtissue.
Name rtwo ruses rof rcarbohydrates rother rthan rsupplying renergy. r- rCORRECT
rANSWER-
1. Carbohydrates rcan rbe rused ras rthe rstarting rmaterials rfor rsynthesizing
rbiochemicals, rsuch ras rribose rand rdeoxyribose. r
2. Lactose r(milk rsugar) ris rsynthesized rwhen rthe rbreasts rare ractively rsecreting rmilk. r
Why rdo rdaily rrequirements rfor rcarbohydrates rvary rfrom rperson rto rperson? r-
rCORRECT rANSWER-Physically ractive rindividuals rneeds rmore rcarbohydrates rthan
rsedentary rindividuals rbecause rthey rhave ra rhigher rmetabolism, rtherefore rrequiring
rmore renergy.
Which rfoods rcommonly rsupply rlipids? r- rCORRECT rANSWER-Lipids rare rtypically
rfound rin rfoods rof ranimal rorigin, rsuch ras rlard, rdairy, rmeats, rand reggs. rIt rcan ralso
rbe rfound rin rpalm rand rcoconut roil.
Which rfatty racids rare ressential rnutrients? r- rCORRECT rANSWER-Essential rfatty
racids rinclude rlinoleic r(synthesizes rphospholipids) rand rlinolenic.
What ris rthe rrole rof rthe rliver rin rthe ruse rof rlipids? r- rCORRECT rANSWER-
What rare rthe rfunctions rof rcholesterol? r- rCORRECT rANSWER-
How rdo rcells ruse rproteins? r- rCORRECT rANSWER-
Which rfoods rare rrich rsources rof rprotein? r- rCORRECT rANSWER-
What rare rsome ramino racids rcalled ressential? r- rCORRECT rANSWER-
, Distinguish rbetween ra rcomplete rprotein rand ran rincomplete rprotein? r-
rCORRECT rANSWER-
