Exam 1 Practice Exam (Units 1 and 2) Review of attempt 1 !Question)1)Marks:!1!!Which!part!of!the!cell!is!used!for!fatty!acid!synthesis?!Choose!one!answer.!!! a.!rough!endoplasmic!reticulum! ! b.!mitochondria! ! c.!smooth!endoplasmic!reticulum! ! d.!golgi!apparatus! Correct!Marks!for!this!submission:!1/1.!Question)2)Marks:!1!!Which!of!the!following!is!NOT!a!transformation!reaction?!Choose!one!answer.!!! a.!glycolysis! ! b.!fatty!acid!saturation! ! c.!fatty!acid!desaturation! ! d.!deamination!and!amino!acid!synthesis! Correct!Marks!for!this!submission:!1/1.!Question)3)Marks:!1!!Probiotics!or!Direct‐Fed!microbials!can!do!which!of!the!following:!Choose!one!answer.!!! a.!modify!intestinal!function! ! b.!modify!whole‐body!function! ! c.!modify!whole‐body!metabolism! ! d.!all!of!the!above! Correct!Marks!for!this!submission:!1/1.!Question)4)Marks:!1!!Dead!and!dry!cells!are!found!in!which!layer!of!the!stratified!squamous!epithelium!of!the!rumen?!Choose!one!answer.!!! a.!stratum!basale! ! b.!stratum!spinosum! ! c.!stratum!corneum! ! d.!stratum!granulosum! Correct!Marks!for!this!submission:!1/1.!Question)5)Marks:!1!!Resting!metabolic!rate!in!humans!refers!to!the!metabolic!rate:!Choose!one!answer.!!! a.!at!normal!activity!levels,!such!as!sitting!in!a!chair! ! b.!after!running! ! c.!after!holding!your!breath! ! d.!when!sleeping! Correct!Marks!for!this!submission:!1/1.!Question)6)Marks:!1!!Which!of!the!layers!of!the!ruminal!stratified!squamous!epithelium!is!viable?!Choose!one!answer.!!! a.!stratum!spinosum! ! b.!stratum!basal! ! c.!stratum!corneum! ! d.!all!of!the!above! ! e.!stratum!granulosum! Incorrect!Marks!for!this!submission:!0/1.!Question)7)Marks:!1!!What!is!metabolic!energy!used!for!in!the!body?!Choose!one!answer.!!! a.!heat!production! ! b.!synthesis!of!body!tissues! ! c.!voluntary!and!involuntary!movement! ! d.!all!of!the!above! Correct!Marks!for!this!submission:!1/1.!Question)8)Marks:!1!!Protein!packaging!and!lactose!synthesis!(mammary!gland)!occur!in!what!organ?!Choose!one!answer.!!! a.!nucleus! ! b.!rough!endoplasmic!reticulum! ! c.!golgi!apparatus! ! d.!mitochondria! Correct!Marks!for!this!submission:!1/1.!Question)9)Marks:!1!!Which!key!cytosolic!enzyme!is!essential!for!the!synthesis!of!fatty!acids!from!glucose!carbon!in!non!ruminants?!Choose!one!answer.!!! a.!isocitrate!dehydrogenase! ! b.!pyruvate!dehydrogenase! ! c.!citrate!synthetase! ! d.!ATP!citrate!lyase! Correct!Marks!for!this!submission:!1/1.!Question)10)Marks:!1!!Which!of!the!following!is!a!key!BMR!regulator?!Choose!one!answer.!!! a.!secretin! ! b.!thyroxine!! c.!saliva! ! d.!gastrin! Correct!Marks!for!this!submission:!1/1.!Question)11)Marks:!1!!Glycolysis!occurs!in!which!portion!of!the!cell?!Choose!one!answer.!!! a.!mitochondria! ! b.!nucleus! ! c.!endoplasmic!reticulum! ! d.!cytoplasm! Correct!Marks!for!this!submission:!1/1.!Question)12)Marks:!1!!Which!segment!of!the!small!intestine!is!populated!by!the!highest!percentage!of!enteroendocrine!cells?!Choose!one!answer.!!! a.!ileum! ! b.!duodenum! ! c.!jejunum! ! d.!cecum! Correct!Marks!for!this!submission:!1/1.!Question)13)Marks:!1!!The!interior!of!the!chicken!villus!stalk!contains:!Choose!one!answer.!!! a.!arterioles!and!venules! ! b.!arterioles,!venules,!and!lacteals! ! c.!lacteals!and!venules! ! d.!lacteals!and!arterioles! Correct!Marks!for!this!submission:!1/1.!Question)14)Marks:!1!!Which!of!the!following!is!the!reduced!form!of!nicotinamide!adenine!dinucleotide?!Choose!one!answer.!!! a.!NAD! ! b.!NADPH! ! c.!NADP! ! d.!NADH! Correct!Marks!for!this!submission:!1/1.!Question)15)Marks:!1!!What!secretes!bile!for!emulsification!of!fats?!Choose!one!answer.!!! a.!gall!bladder! ! b.!pancreas! ! c.!liver! ! d.!none!of!the!above! Incorrect!Marks!for!this!submission:!0/1.!Question)16)Marks:!1!!Traditional ways of classifying animals by types of diets (ex. omnivores, carnivores, herbivores) is the best way to determine their gastrointestinal tract functions.!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)17)Marks:!1!!Which!is!a!respiratory!quotient?!Choose!one!answer.!!! a.!CH4!expired/O2!consumed!! b.!O2!expired!/CO2!inspired! ! c.!CO2!expired/O2!consumed! ! d.!N2!inspired/!O2!expired! Correct!Marks!for!this!submission:!1/1.!Question)18)Marks:!1!!If!an!amino!acid!can!be!metabolized!to!form!glucose!within!the!body,!it!is!said!to!be:!Choose!one!answer.!!! a.!ketogenic! ! b.!gluconeogenic! ! c.!oxidative! ! d.!ketogenic!and!oxidative! Correct!Marks!for!this!submission:!1/1.!Question)19)Marks:!1!!Which!of!the!following!components!of!human!energy!expenditure!is!the!largest?!Choose!one!answer.!!! a.!thermic!effects!of!food! ! b.!physical!activities! ! c.!basal!metabolism! ! d.!thermic!effects!of!food!and!physical!activities! Correct!Marks!for!this!submission:!1/1.!Question)20)Marks:!1!!How!many!ATP!are!generated!from!glucose!by!glycolysis,!using!muscle!calculations?!Choose!one!answer.!!! a.!30! ! b.!38!! c.!8! ! d.!37! Correct!Marks!for!this!submission:!1/1.!Question)21)Marks:!1!!How!many!pancreatic!ducts!does!a!human!have?!Choose!one!answer.!!! a.!1! ! b.!2! ! c.!3! ! d.!4! Correct!Marks!for!this!submission:!1/1.!Question)22)Marks:!1!!The!basal!metabolic!rate!accounts!for!what!percentage!of!total!energy!expenditures!in!humans?!Choose!one!answer.!!! a.!approx.!66! ! b.!approx.!12! ! c.!approx.!13! ! d.!approx.!5! Correct!Marks!for!this!submission:!1/1.!Question)23)Marks:!1!!The!BMR!of!the!young!is!higher!because!of:!Choose!one!answer.!!! a.!growth!and!more!muscle!mass! ! b.!growth! ! c.!less!muscle!mass! ! d.!more!adipose!tissue!mass!Correct!Marks!for!this!submission:!1/1.!Question)24)Marks:!1!!Mucous!is!secreted!by!the!gastric!glands!to:!Choose!one!answer.!!! a.!make!the!digesta!more!messy! ! b.!protect!the!epithelial!lining!of!the!stomach! ! c.!cause!ulceration! ! d.!aid!in!regurgitation! Correct!Marks!for!this!submission:!1/1.!Question)25)Marks:!1!!25%!of!VFAs!are!absorbed!from!the!rumen.!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question)26)Marks:!1!!Where!is/are!the!major!site(s)!of!fatty!acid!synthesis!in!the!rat?!Choose!one!answer.!!! a.!heart! ! b.!liver! ! c.!adipose!tissue! ! d.!liver!plus!adipose!tissue! Correct!Marks!for!this!submission:!1/1.!Question)27)Marks:!1!!Protein!synthesis!occurs!in/on!which!organelle?!Choose!one!answer.!!!
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