BILD 2 Fall 11 Midterm KEY0001 (3)

BILD 2 Fall 11 Midterm KEY0001 (3) - Bll..D 2....

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Unformatted text preview: Bll..D 2. lVlulticellular l._..ife l‘iall 201 1 October 27., 201 1 Last Name:w Midterm Exam. Page 1 apw—hflflfimmflmm “HWWM l. (10 points). You are hiking in the desert in July. where the temperature is 453C. Diagram the homeostatic pathway that will regulate your body temperature. Indicate the stimulus, the sensors. the control center and two homeostatic responses. I If ,._. _ g . . .r .-. . . . .. H. . .. . I II - 5 . ind—j I“! I,-- __l.:. - I‘._ _‘_I .II _ 'I .I'Jl I__. I- - “Ff-“II” .'-1- '- ' . IIIII I. H! I. :I. I gl—Fr-‘ifr-I— I II! III? I; 1"".-L-" ' '_'_-'|""| firi- '_' E II“ J rlzr Ir. If". I. III;_ ? I . '5 :- - - .u -.-. ' - a - . .u. . 2-, Fan“ H 4- . - -" . - ' --f 5' : - ' . 7.. ' “ .' L -- ’7‘ "'i ' f” T- '- It -'A .3“ .e' ' 3-: (£5? -.~" 4",? . " ‘13“ f‘mfl' if; L .u' M fur-r “ " ' r" " " ' ' Li ' " IIIIIL . -\.---\. I I I_ . II I III I II. .. - I I. if,- VIIIIIIHII.I..I"':~ I ,—-' "-- fiI" . I'I|I_,..... .u-' - rI-"' " I; .-'I— ..__II I'- "'-. .f‘ ': - I" " ' ' ' l' 3‘ TEE-x _.--"""II_I ...r 1....- " II‘II n._..-.. III-1.. 2. (8 points). List the four general mechanisms of heat exchange and indicate which will be effective and which will not be effective to maintain homeostasis in the situation above. PHI—hi.- #_ .- -"|-"-. tram-In. . I l- .- I r I .- . I I .- -1. E H.- a - ' ' ' ;.. 3 _ ..‘1. __ - -.. ‘ ' -' . -' *--'1 EH" I I; .':I--.1-I|‘ f-_ _ 7 III 1 . . I _ .I _ .I I .I I II: II: I: I_II_ III II? -.-. . I f - is"? :' " -'r""' E' v. . . ' -" . .- Fl '- I' ' '1 IF": 3-5 r--..-' I ' '1 E. .. r g ..e .- xw =~r . .l‘ rant-:1- : ' - . t. t - . --= ' -- ' ' ~C : in" - "- - '---==-'--f 1'” I J I. ..I' I .J- I 1 -"-l -' 1-3- I "n 1 .'I'-\. '_ . I 1 . I'- '. _- - ' 1-". 'h h' .' . . . Is" *' 3,,“ " .- -. I .3 . 'r -. ,. "i. «1'1", - -' - ' ' .' I! a . .' I— ' .r' I I ll':'- I _ ' I I .' .' 1: {1, ' .. '-_ 5' "I . _ " -:I . _'--- .-:' ‘5 ' _ ._ - r .. _ _- _'- .H |.- -- . _- r _' . 3. ( l 6 points). The tables below are used to describe ion concentration and ion flow. A. Fill out the rest of the table below by writing highest in the box where the ion concentration is highest, and lowest in the box where the ion concentration is lowest. Concentration inside the cell Ion Concentration outside the _ cell ‘_‘ :_. .._- -:". nu - I.. ' . * ..-' w: . . ~ . .- -' . ' h..- B. If there were open channels for each of these ions. which direction (in-tor out of the cell) would they How? Would this flow cause a hyperpolarization or a depolarization? Use the table beow to write our answers. l~Iyperpolarization or de a olarization‘? :3. Hailiii'Ir.’-’..--;..ua-F-“ rs"; a". if [V ..r " ' II- IP _I -' ..Lnj'l- IIIIII .- * or I. Cl- .3. as- ?rr *a if”? H? :"fixfi .ifi “ a . ~ ' i I C. What 2 kmds of pumps are used to man J PHI. .-' I. _ I III: “I . _._rII I I I . I .: i 'f .' ts “P1” What 13 l l' ' III . ..I :-' - 1 a.qu .. ' $3., a _ _ 3'. I - II _I L ~ ""+.- "‘_"*" l; lfi .-¢"" ..;-..L.'<:-.'+.. - 1 ' 1|. - _:‘[ . fi’ ' "1 . 1 -“ a» u o ' 'a .fi. Lara (. u ' . .u ' _. .-.* . «a r' we F u =. a” A? .'- e i "Wrist" : 5 ..:'*---‘»'- III I . II__ gig; I I IIIII .. I I i I I - EIIIIIfir-EIIIII: I: F IIi_ . J53; 'Fxh '4'}..5:- 4:.- . III _ "1-H we I. e -* ‘ y. ‘ 2 '. ' . = FIL__I 'M I. 3, I? I ..F ,. . . I -. I II III: F ~' '- ' r. ~-'=-'-'- -,--‘«"*-; ! a“ H41" ' ' .. FE. _||' -' '1' "'3 Jr _ if? _ 11;] i - Frail i. r L . ‘5':- 'r'-: :7 Inf -:5 =-.. ‘ T7” '5‘" if} 'I g“, ':.--.r I _ 1* 55' 5’ .1 . - - ' z N” 3?“. ‘ ' ' -: HI Irt- '- - 5' EL .. _..,,II 4-H. If? ‘i. _ _ If Ffii . :-'I_- I.- .- 5-; .37); :-_J__. j I," It“ 2!: . _.- “Li. I. .- i -'a- r -'=‘ la ".5- If" 1. '- ;= r“ .. -. .1 .r + * Hg}?! j. a.....-...=='*e '...r’.:. - .a J r' . r ..I -- - - .-. a . -~ - n- " as .r .t .13» . - a . - w . .. a.» r -- . .— - -'.- _IIIII ‘ ' r.‘ ". I ' i I;- _,. I‘ a. K 1‘ 1' II ... _' - _. HI. ._.-.-_ _. I.'f,:;_.-:'d,| I I I IIIIIIIIadrII .-.III.- It} I.- - I a.- r . -. '- BILD '2. Multiccllular Life Last Name; First & M: Fall 201 1 Midterm Exam. ‘I UC ID #: October 27, .201 l Page 2 4. (10 points). Suppose you have a Uut‘ube filled with one liter of \ rater and with a semi~pcrmeable membrane separating the right and left sides. You add 1 mole of sucrose to the left side of the tube and 0.5 mole ofsucrose to the right side. _ A. At equilibrium. what will haopen to the height ofthe l right.columns? Why? i It a II " a i "J ' " I ' -- .rl' i 11 . .I' . " .‘I 1" "— ‘r ,f 1. 1p: t-""'I”-' .r ’“r. ,- .' . _" : . .r ' , _ F ire-T“- =1II e _ f in I . 1"- _.. IJI‘ . .1 -.' .l 'l ,5: __ .i- .' :4 ff ' '. ' _ : 3"“; '.-'-1 ._'.1"' 'I'!- H ' . . _ . _' .-" ' I": i- .. _I.'- _ . a fun. ___.'_I. _ ' - .."_'* {III .:I: ' {rm-'2 m. , 4- g”: a}; .» .e . 53min} Ir. 5* I: f .. fir um... -.: 5; ;I;'___ h __=-__._._r.*fl..e.r't..fi’.-'-'I' - r: f3 _ E£::;,_Ifr?"’1.fih r51". F‘I_ _ ..g _a-z-a’r-g': f .3"- “i I} E11 4L. -. I I I !- II :'I I III I. ’ III EINIII II"'-'1 'I I-I-i._I .- 5: I "II'I EH *3 I ‘3' 'I I :Ie'II, ,._--. .I-' I ." ' 1 .-.- -I I.r' I - I .5.- .I fly gflum '41} fir. {- Elli. .- a Mr r . - H . . ' ' '- iI-t- 1“- " ' -1 'I . . . . . ..-I. *- -- ' j. a. 1, . ' "'3': _ ..I. -. L .- . t .. - .. . r.-. .. . .I, " .. . .“ f :' I! ’i .- ._4‘ ' fII: 913%..15 .r -.-;'.'_= - ,5 : 1'. :r- 2} - -: "f ' '..-. ~ .It'I f..'l=.-"'-'-":IE'_'. in .l I- . r . I II.- ._., ‘- IIT. I -.- |:‘rI‘ ‘I': E r I LPI-I 1 . _ - . I . . .. PI - i' Ii- .' I-J'rIIII EIIII" _ I! I .‘ .r'III ' .II "I"III ' fl;_};-I' I.“ ffiffiffi 3:1? _..--InI. .-:I ill:- II' 1:" “fig-5*“ B. At equrllbrrum. what will be the concentratlon of sucrose 1n the lelt1&~rrght columns? Why? ._ 7"“ *' {I} ._ _. . _ _I _ I I : ._ _ . .r _ _ . . I- _. I _ _ _ . _ . I . .- . '__ - _ I_-' : m _~-~p% ' . ._. -I_.: : J “Mum-a.“ I ._.}? r _- III ID: I? II -I- !_ I -_.-_. ' _.. 'I' ._. If. .___._:.= I a .r~ 3'” g -_ ;- - - -- - .j. I a .h' .{I a .II' . "- “I?! ' we . _ 1, .F. a. _ t :11. -_ ‘- __. .., A 5.. i : . .. 53' .III‘ -'c .-: *5 I_'.r II. -- II .1” EIIE- -I' .-'_.II. 'EI -..1I _-‘I' 'I -:I «I; . II II I - _‘FI- i‘ I . "-II.;I IE III - "I I - 'iI :rII's -: III- -' rm" .1,-_- '-I II I..-'_-‘II-I!:I-.I I-IIIIIII I h I -- ' - _ _ . I I _ a: . l ‘l E t i B l{l h t S} B in. 0.5 mole of sucrose added sucrose added Semi~ger_meable membrane: only allows H30 to cross 5. (14 points). Label each of the following on the action potential graph shown below. You may just write the letter that corresponds to each topic in the correct area on the action potential curve. D. NaIiw activation channels open E. KIiI channels open a F. Absolute Refractory Period I G. Stimulus reaches threshold. H. K+ channels close 1. Relative Refractory Period J. Na+ inactivation channels close raw-r- an : fl“ 1 -_ :1}; Fall 201 l Midterm Exam. UC ID # October 27, 201 l Page 3 6.. (12 points). Label the parts of" this neuron and esplain what feature of neurons increases the conduction velocity of action potentials. fig; fl. if; ,. r i .s “i r i in mi .. .i i. #2.... , .. * - .35, A, n i in J f‘tfi 7. (10 points). Identify the neurotransmitter that best fits the description: This neurotransmitter, which is also a hormone. is involved in learning, memory, reward or pleasure, and motor coordination 5: mi? Has 2 different receptors (muscarinic and nicotinic). This neurotransmitter opens chloride channels mum—I- #J—l—l—Hl—l—fl—l—irH—‘mhmmuwu‘fi It is the main sympathetic neurotransmitter. Has AMPA & NMDA receptors and is involved in long term potentiation Wink-mama 8. (10 points). For the following physiological responses, write P if parasympathetic activation was the cause or S if sympathetic activation was the cause. Decrease in heart rate Decrease in gut motility _ Rounding the Crystalline lens for near vision Wm Orgasm ' it Relax bronchioles _ Pupil dilation Sexual arousal Increase saliva secretion Contraction of urinary bladder BIL-D 2, Multicellular Life Last Na.me:wm WFirst & M: Fall 201 l Midterm Exam. UC ID #:______ October 27. 2011 Page 4 9. (16 points). Match the Structures with their Functions. a. h‘lcdulla Oblongata m . b. C‘crcbellum mm m A Hearing. . _. C! Broca.s Area f; B. Motor Coordlnatlon d' ,.l...halanms “MEMW C. Motor neurons to body I'nuscles e. Hypothalanms liesptratory *& C‘ardtac Control f.- Amygdala generates Circadlan Rhythms g. I__Iippocampus P. bye movements “T W _ L’ 1‘1 . ' i a. h: Fret-Ital Cortex .. (J a guage Comprehenswn 1 Wernickeas Area Pouch Perception _ I :2» j, occipital Cortex a l. Plannmg & Personallty k Temporal C0118}: J. Vlsual Perception 1 Parietal Congo K. Communicates Cerebral Hemispheres m. Corpus callosum fr: [If/{arr Stronpg emOlPHS n. Reticular Formation _ - Emory “306331113 0 Midbmin N, Generates words to be spoken p. Ventral horns of spinal chord C“ 0' sensory/Mmm Relay Station P. Promotes wakefulness IO. (10 points). List the 5 different types of taste receptors and indicate which are ion channels (including the ion they conduct)fland which are metabotropic (G—protein coupled) receptors. Irw?-d1- ' “. l: . if“ .- H II." -. I. IF-I I1.qu J: E. r :- wnl} EFF-'5." qr”. a" Erwin J. mm= a" 1 F 1 a} 'fi-n- “ in F L I?“ ..-.w-;-. I. + M! a. -'_. 153' film-.- "HI-1".- .l: .: q 1:} "--;,.._.r--"___-& U. . J {3- a a Id".l_ i. il 1 -_ ' '-" " a tag fii‘u— . 4. .4” a: % as“ : -_. 9.1 hr..."- .w :-_. it. 1 l. (8 points). Arrange the following events for the process of hearing in the correct sequence: A. Basilar membrane vibrates B. Cochlear fluid vibrates ” C. Sound waves travel through the auditory canal i D. Hair cells bend t _. Action potential travels down the auditory nerve F. Vibrations are transmitted through the middle ear G. The tympanic membrane vibrates H. Hair cells hit against the tectorial membrane war -a --—> we» r a —-—> E;- -—-+ =2 ——> _ 5. ~——+ THAT’S ALL, FOLKS ...
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BILD 2 Fall 11 Midterm KEY0001 (3) - Bll..D 2....

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