Exam 4 Practice (Units 7and 8) Review of attempt 1 !1"Marks:!1!!Cattle!suffering!from!thiamine!deficiency!develop!a!muscular!tetany!that!results!in!their!falling!to!the!ground!in!a!position!described!as:!Choose!one!answer.!!!!a.!resting! !!!!b.!curling! !!!!c.!"Stargazing"! !!!!d.!twitching! !!Correct!Marks!for!this!submission:!1/1.!Question"2"Marks:!1!!Bones!mineralize!with!Ca!up!through!which!age?!Choose!one!answer.!!!!a.!20's! !!!!b.!30's! !!!!c.!40's! !!!!d.!50's! !!Correct!Marks!for!this!submission:!1/1.!Question"3"Marks:!1!!What!percentage!of!the!body's!iron!is!located!in!the!red!blood!cells?!Choose!one!answer.!!!!a.!12%! !!!!b.!60%! !!!!c.!1%! !!!!d.!20%! !!Correct!Marks!for!this!submission:!1/1.!Question"4"Marks:!1!!Turkeys!have!a!greater!requirement!for!biotin!than!chickens:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"5"Marks:!1!!Nicotine!adenine!dinucleotide!phosphate!is!usually!considered!to!serve!as!a!cofactor!in!_____________!types!of!reactions!within!the!body:!Choose!one!answer.!!!!a.!anabolic! !!!!b.!catabolic! !!!!c.!hydrolysis! !!!!d.!transamination! !!Correct!Marks!for!this!submission:!1/1.!Question"6"Marks:!1!!Protons!are!generated!for!Na!transport!by!the!enzyme:!Choose!one!answer.!!!!a.!pyruvate!dehydrogenase! !!!!b.!methylmalonyl!COA!reductase! !!!!c.!carbonic!anhydrase! !!!!d.!lactate!dehydrogenase! !!Correct!Marks!for!this!submission:!1/1.!Question"7"Marks:!1!!Which!structural!compounds!have!sulfates!as!a!component?!Choose!one!answer.!!!!a.!chondroitin!sulfate! !!!!b.!triglycerides! !!!!c.!sulfated!gangliosides! !!!!d.!chondroitin!sulfate!and!sulfated!gangliosides! !!Correct!Marks!for!this!submission:!1/1.!Question"8"Marks:!1!!Thiamine!is!transported!into!the!intestines!through:!Choose!one!answer.!!!!a.!active!transport!at!low!concentrations!/!passive!transport!at!high!concentrations!!!!!b.!passive!transport!at!low!concentrations!/!active!transport!at!high!concentrations!!!!!c.!facultative!transport! !!!!d.!passive!transport!at!low!concentrations!/!active!transport!at!high!concentrations!and!facultative!transport! !!Correct!Marks!for!this!submission:!1/1.!Question"9"Marks:!1!!Niacin!absorption!from!the!intestinal!tract!is!via!active!processes!at!both!high!and!low!concentrations:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"10"Marks:!1!!Which!of!the!following!is!NOT!a!micromineral?!Choose!one!answer.!!!!a.!Se! !!!!b.!F! !!!!c.!Zn! !!!!d.!Mg! !!Correct!Marks!for!this!submission:!1/1.!Question"11"Marks:!1!!Macrominerals!are!classified!as!those!minerals!found!in!the!body!greater!than!5!grams:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"12"Marks:!1!!Ca!is!involved!in!blood!clotting:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"13"Marks:!1!!Which!of!the!following!is!a!more!bioavailable!form!of!iron?!Choose!one!answer.!!!!a.!Fe+2! !!!!b.!Fe+3! !!!!c.!Fe+1! !!!!d.!heme! !!Correct!Marks!for!this!submission:!1/1.!Question"14"Marks:!1!!Fe!is!maintained!in!a!reduced!state!in!the!synthesis!of!hydroxyproline!from!proline.!Answer:!!!True! !False! !Incorrect!Marks!for!this!submission:!0/1.!Question"15"Marks:!1!!Fish!can!synthesize!vitamin!C!within!the!body:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"16"Marks:!1!!Therapeutic!chelates!are!usually!administered!intravenously!and!irreversibly!bind!target!toxic!heavy!metals:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"17"Marks:!1!!Na!toxicity!in!humans!is!observed:!Choose!one!answer.!!!!a.!in!persons!at!high!altitudes! !!!!b.!in!persons!living!in!hot!climates! !!!!c.!in!persons!living!north!of!the!equator! !!!!d.!in!persons!stranded!at!sea!whom!consume!salt!water!!!!!!! !!Correct!Marks!for!this!submission:!1/1.!Question"18"Marks:!1!!Parenteral!administration!of!riboflavin!can!be!toxic!to!the!kidneys:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"19"Marks:!1!!Naturally!occurring!riboflavin!deficiency!is!routinely!reported!in!the!scientific!literature!in!humans:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"20"Marks:!1!!Na!supplements!should!be!given!to!ruminants!on!cereal!based!diets:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"21"Marks:!1!!!Choose!one!answer.!!!!a.!.!50%! !!!!b.!10%! !!!!c.!5%! !!!!d.!1%! !!What percentage of elderly humans whom break a hip never walk again and are at risk for a premature death?!!Incorrect!Marks!for!this!submission:!0/1.!Question"22"Marks:!1!!The!cat!can!convert!tryptophan!to!niacin!in!vivo:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"23"Marks:!1!!Niacin!absorption!at!high!concentrations!from!the!intestinal!tract!is:!Choose!one!answer.!!!!a.!via!active!transport! !!!!b.!via!passive!transport! !!!!c.!facilitate!transport! !!!!d.!none!of!the!answers!are!correct! !!Correct!Marks!for!this!submission:!1/1.!Question"24"Marks:!1!!The!horse!can!absorb!thiamine!from!the!cecum:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"25"Marks:!1!!Obvious!signs!of!biotin!deficiency!in!poultry!include:!Choose!one!answer.!!!!a.!perosis! !!!!b.!head!pressing! !!!!c.!beak!deformities!(parrot!beak)! !!!!d.!perosis,!eye!and!beak!encrustations!and!parrot!beak!!!!!!! !!Correct!Marks!for!this!submission:!1/1.!Question"26"Marks:!1!!Osteoporosis!causes!the!activity!of!which!of!the!following!cells!to!change!in!what!manner?!Choose!one!answer.!!!!a.!increased!enterocytes! !!!!b.!increased!osteoclasts! !!!!c.!decreased!osteoblasts! !!!!d.!increased!osteoclasts!and!decreased!osteoblasts!!!!!!! !!Correct!Marks!for!this!submission:!1/1.!Question"27"Marks:!1!!Na/K!ATPase!is!a!membrane!bound!enzyme:!Answer:!!!True! !False! !Correct!Marks!for!this!submission:!1/1.!Question"28"Marks:!1!!Sulfite,!an!oxidized!form!of!sulfur,!can!cause!severe!allergic!reactions!in!asthmatics:!Answer:!!!True! !False! !Incorrect!Marks!for!this!submission:!0/1.!Question"29"Marks:!1!!Phytic!acid!is!found!in:!Choose!one!answer.!!!!a.!legumes! !!!!b.!grains! !!!!c.!meat! !!!!d.!legumes!and!grains!!!!!!! !!Correct!Marks!for!this!submission:!1/1.!Question"30"Marks:!1!!The!bioavailability!of!transition!metals!is!especially!increased!by!chelation.!Answer:!!!True! !False! !Incorrect!Marks!for!this!submission:!0/1.!Question"31"Marks:!1!!One!of!the!most!common,!and!least!serious,!of!vitamin!C!toxicity!in!humans!is:!Choose!one!answer.!!!!a.!gout!
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