Exam 3 Units 5 and 6 - Regular Review of attempt 1 !Question)1)Marks:!1!!Which!of!the!following!organs!is!encased!within!a!lipid!depot!pad!for!protection!against!shock!and!injury?!Choose!one!answer.!!!!a.!brain! !!!!b.!kidney! !!!!c.!ovary! !!!!d.!liver! !!Correct!Marks!for!this!submission:!1/1.!Question)2)Marks:!1!!What!is!a!unique!symptom!of!obvious!vitamin!A!deficiency!in!ruminants?!Choose!one!answer.!!!!a.!head!pressing! !!!!b.!increased!salivation! !!!!c.!copious!lacrimation! !!!!d.!increased!feed!consumption! !!Correct!Marks!for!this!submission:!1/1.!Question)3)Marks:!1!!Over‐consumption!of!beta!carotene!can!cause!vitamin!A!toxicity:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)4)Marks:!1!!Epinephrine!activates!hormone!sensitive!lipase!in!adipose!cells?!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)5)Marks:!1!!The!retinal!form!of!vitamin!A!is!derived!from!which!of!the!following!form(s)!or!precursors!of!vitamin!A?!Choose!one!answer.!!!!a.!retinal! !!!!b.!retinol! !!!!c.!retinal!and!retinol! !!!!d.!carotene!and!retinol!!!Correct!Marks!for!this!submission:!1/1.!Question)6)Marks:!1!!Dogs!cannot!synthesize!arachidonic!acid!in!quantities!enough!to!meet!its!needs.!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)7)Marks:!1!!Which!form!of!vitamin!A!is!associated!with!immune!function?!Choose!one!answer.!!!!a.!retinal! !!!!b.!retinol! !!!!c.!retinoic!acid! !!!!d.!carotene! !!Correct!Marks!for!this!submission:!1/1.!Question)8)Marks:!1!!Branched!chain!fatty!acids!have:!Choose!one!answer.!!!!a.!lower!melting!points! !!!!b.!higher!melting!points! !!!!c.!a!rancid!taste! !!!!d.!higher!melting!points!and!a!rancid!taste! !!Correct!Marks!for!this!submission:!1/1.!Question)9)Marks:!1!!Which!of!these!phospholipases!cleave!at!the!#!3!carbon!atom!on!the!glycerol!backbone!of!a!phospholipid?!Choose!one!answer.!!!!a.!A1!and!A2!!!!!b.!C!and!A1! !!!!c.!A2!and!D! !!!!d.!C!and!D!!!Correct!Marks!for!this!submission:!1/1.!Question)10)Marks:!1!!Fatty!synthetase!enzyme!complex!is!actually!a!complex!of!enzymes:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)11)Marks:!1!!The!more!unsaturated!the!fatty!acid,!the!melting!point!of!the!lipids!will!be:!Choose!one!answer.!!!!a.!the!same! !!!!b.!higher! !!!!c.!lower! !!!!d.!none!of!the!above! !!Correct!Marks!for!this!submission:!1/1.!Question)12)Marks:!1!!Vitamin!A!is!distributed!throughout!the!body!by!RBP,!which!is!produced!by!the:!Choose!one!answer.!!!!a.!stomach! !!!!b.!liver! !!!!c.!pancreas! !!!!d.!gallbladder! !!Correct!Marks!for!this!submission:!1/1.!Question)13)Marks:!1!!Vitamin!A!is!associated!with!blood!clotting.!Answer:!!!True! !False! !Incorrect!Marks!for!this!submission:!0/1.!Question)14)Marks:!1!!Out!of!_______!identified!carotenoids,!only!_________!can!be!used!as!precursors!to!vitamin!A:!Choose!one!answer.!!!!a.!500/50! !!!!b.!300/21! !!!!c.!25/3! !!!!d.!1000/89! !!Correct!Marks!for!this!submission:!1/1.!Question)15)Marks:!1!!Which!skin!precancerous!lesion!can!adequate!vitamin!A!intake!help!prevent!in!humans?!Choose!one!answer.!!!!a.!squamous!cell!cancer! !!!!b.!basal!cell!cancer! !!!!c.!melonoma! !!!!d.!subcutaneous!cyst! !!!!e.!actinic!keratoses! !!Incorrect!Marks!for!this!submission:!0/1.!Question)16)Marks:!1!!One!molecule!of!carotene!can!yield!______!molecule(s)!of!vitamin!A:!Choose!one!answer.!!!!a.!1! !!!!b.!5! !!!!c.!3! !!!!d.!2!!!Correct!Marks!for!this!submission:!1/1.!Question)17)Marks:!1!!Sulfa!drug!administration!can!result!in!a!vitamin!K!deficiency:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)18)Marks:!1!!Adipocytes!produce:!Choose!one!answer.!!!!a.!hormones! !!!!b.!peptides! !!!!c.!both!a!and!b! !!!!d.!neither!a!nor!b! !!Correct!Marks!for!this!submission:!1/1.!Question)19)Marks:!1!!Out!of!500!known!carotenoids,!how!many!can!serve!as!precursors!for!vitamin!A?!Choose!one!answer.!!!!a.!100! !!!!b.!25! !!!!c.!89! !!!!d.!12! !!!!e.!50! !!Correct!Marks!for!this!submission:!1/1.!Question)20)Marks:!1!!Most!tissues!can!synthesize!active!vitamin!D!in!small!quantities.!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)21)Marks:!1!!The!development!of!vitamin!E!deficiency!in!the!chick!can!be!dependent!on!the!amount!of!________!in!the!diet.!Choose!one!answer.!!!!a.!linolenic!acid! !!!!b.!linoleic!acid! !!!!c.!palmitic!acid! !!!!d.!acetic!acid! !!Correct!Marks!for!this!submission:!1/1.!Question)22)Marks:!1!!How!many!component!enzymes!are!in!fatty!acid!synthetase!complex?!Choose!one!answer.!!!!a.!9! !!!!b.!2! !!!!c.!5! !!!!d.!2! !!Correct!Marks!for!this!submission:!1/1.!Question)23)Marks:!1!!The!best!word!or!term!used!to!describe!the!action!of!vitamins!in!nutrition!would!be:!Choose!one!answer.!!!!a.!inhibitor! !!!!b.!catalyst! !!!!c.!non‐functional! !!!!d.!inhibitor!and!non‐functional! !!Correct!Marks!for!this!submission:!1/1.!Question)24)Marks:!1!!What!is!the!immediate!precursor!compound!(a!metabolite!synthesized!from!glucose!or!acetate)!normally!used!by!the!fatty!acid!synthetase!complex?!Choose!one!answer.!!!!a.!citrate! !!!!b.!methylmalonyl!CoA! !!!!c.!malonyl!CoA! !!!!d.!pyruvate! !!Correct!Marks!for!this!submission:!1/1.!Question)25)Marks:!1!!Analogs!of!discoumarol!are!used!to!prevent!blood!clot!formation!in!heart!patients:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)26)Marks:!1!!"Conjugated"!means!there!are!no!____!groups!separating!the!double!bond.!Choose!one!answer.!!!!a.!carboxy! !!!!b.!amino! !!!!c.!phosphate! !!!!d.!methylene! !!Correct!Marks!for!this!submission:!1/1.!Question)27)Marks:!1!!Vitamin!E!is!especially!important!in!stabilizing!________!within!the!cell:!Choose!one!answer.!!!!a.!polyunsaturated!fatty!acids!within!cellular!membranes! !!!!b.!cholesterol! !!!!c.!DNA! !!!!d.!all!of!the!answers!are!correct!!!Incorrect!Marks!for!this!submission:!0/1.!Question)28)Marks:!1!!Intake!of!excess!levels!of!vitamin!A!can!impair!calcium!absorption!from!the!intestinal!tract.!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)29)Marks:!1!!In!the!chicken,!the!major!site!of!fatty!acid!synthesis!is!within:!Choose!one!answer.!!!!a.!heart! !!!!b.!muscle! !!!!c.!liver! !!!!d.!adipose!tissue!!!Correct!Marks!for!this!submission:!1/1.!Question)30)Marks:!1!!Adipocytes!are!cells!that!store!____!as!triglycerides.!Choose!one!answer.!!!!a.!amino!acids! !!!!b.!carbohydrates! !!!!c.!nucleic!acids! !!!!d.!fats!
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