Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: BIPN 102, MAMMALIAN PHYSIOLOGY 11 LAST NAME: Fall 201 1 1st MlDTERM EXAM P.I.D. # October 21, 2011 Page 1 1. (10 points). List the correct sequence of changes (T or i) in the respective pulmonary volumes: VIP, VA, and pressures: PIP, PTP, PA, during a forced expiration. a“ S) iVIP—>TPIP—>iPTP—>1VA —>TPA A 2. (26 points) The following is a list of P1P and PA values of a mountain climber where the atmospheric pressure is 420 mm Hg . What is happening? (inspiration or expiration (forced or resting), no air flow, neumothorax, not possible). What muscles, or none, are contracting? mmHg Expiration/Inspiration Forced/Resting Muscles contracting (or pneumothorax, not (or none) (or none) ossible, o no air flow) P 417 ‘ . ' ' w v «54% I ‘ I formed a' I 3. (10 points). Calculate the P102 and PAC; for the above person if PACOZ = 20 mm Hg because of hyperventilation, and eats a normal diet. Show your calculations. 802- :@20 ,4”): 0.21 _-: 373} 0.2/ :I DAV/7% “P FAOL: 8.0 __ Ace ; rig—~23); 7€,Zf:~_5:§ mom/95 4. (10 points). Calculate the pressure change needed to have the same airflow if you breathe through a tube that has triple the length and one third the radius as your airways. ‘f . F29“) _. @r) :_ L gig; : Z‘ffir’W—q " _8J_. . 8‘41 j 3 - . . « 3 @0419” (‘3' WW m 7w“ W” mm“ W” (wisp-Lela 2.451%. ’- ’— C/Lry‘ow BIPN 102, MAMMALIAN PHYSIOLOGY II LAST NAME: 1 >[ first: Fall 201 1 1st MIDTERM EXAM P.I.D. # October 21, 2011 Page 2 w 5. (8 points). You are swimming in La Jolla Cove. Your respiratory frequency is 15/min and your total . i; ventilation is 9 L/min. Now you decide to use a snorkel to watch the marine life. The snorkel has a volume of 400 ml. What will your tidal volume need to be while breathing through the snorkel at the same respiratory frequency in order to maintain the same alveolar ventilation? (Vdead=150 ml). 1 2' q) OWN/“I‘M . AW csflW/V/f : 450Mx/5'm/h 15; mdfl’l“ 5a same dummy: %A+6ood:1L e . v e a frothy cough and respiratory distress while watching the view. His PA02 = 35 mm Hg and his Pa02 = 20 mm Hg. - \ A. Write Fick’s equation and indicate which parameters of the equation are causing the problem for i \I this climber. _ 'Th invl‘ firrce [APO . Var low WW 0971. Flux=4rc wb .AP Law}; 1e ‘2' w ‘5 12W 0 . . Ab - I flccbnass «creased 7227;55— 2 fvl'th‘ «Luce/fig w."/¢tema«d7%e Jil— Capr/lmes (Caught m a 11). 6% Java/Wed HAPE 41171 aHfiLm/e law/mm?! era/elm; B. Is gas exchange in this person diffusion—limited or perfusion—limited?Justify your ans r. CD (W'Iimi 43] beam 7%2 72,02 shy/J :7ki/zérdvl: “’17? #277 #4? Jo Difiéuolbn was S/eweJ byv‘lw Aw dilly/ace what-45f 7. (10 poin s). You are riding your favorite roller coaster at Six Flags Magic Mountain, Riddler’s Revenge (passengers are harnessed in a standing position throughout the entire ride), but due to technical difficulties, the coaster has lost power and you are left hanging upside down from the first vertical loopl. At the apex of your lungs indicate with T, J/, or No Change, to show how the following variables changed compared to when you were standing upright. i 1:933, Variable . Ventilation .- Perfusion .- g we Ratio .- ‘ PA02 l g PACO2 v PIP .- PTP -- Lung Compliance Pulmonary arteriole diameter Bronchiole diameter 8. (4 points). Forced expiratory spirometry tests as a function of time in a patient showed FEVI = 1 L and FVC = 3 L. Is the diagnosis obstructive or restrictive pulmonary disease? Justify your answer. g 03g ycflyE, ’Tfie 7:5|/, VC 60.33, wltem’fitemrmjicnvag 06$ «dive 43864555 Jun) Mf/awfin rtan'cPL/Ve aliases 7%0Vd750.>0.8 BIPN 102, MAMMALIAN PHYSIOLOGY 11 LAST NAME: first: Fall 201 1 lst MIDTERM EXAM P.I.D. # October 21, 201 1 Page 3 9. (12 points). On the graph below... 0 Draw a normal Adult Hb—O2 dissociation curve. Mark the correct saturation percentages at P02 = 40 and 100 mm Hg. Label this curve “NORMAL” 0 Draw a Hb-O2 dissociation curve for blood from a vein in a contracting muscle of an acclimatized mountain climber that has a temp=39C, PCO2=6O mm Hg and pH=7.2. Label it “VEIN” 0 Draw a Hb-O2 dissociation curve after Carbon Monoxide poisoning which has CO bound to 25% of the hemes. Label this curve “CO” 0 Draw a Fetal hemoglobin—O2 dissociation curve. Label this curve “FETAL HEMOGLOBIN” m 45" F0 :1 \D 10. (8 points). Indicate in which of the following blood vessels the plasma concentration of HCO3' is ‘ k higher and briefly explain why: Q, A. Blood in a pulmonary vein com ared with blood in a pulmonary artery: ‘ Q ‘JM 4. fuewflnmv +M CW0 Wier W W m «slur/LL CD ’3 cu! +6 veg, wan awn/Mid '5 H69; Nth red Ct/LS W man fi-Hq {Sham m, etch-«fie; {or C!" B. Blood in a coronary ve compared with blood in a coronary artery: 9"” 4' “Tony’s vein «5,004 M5 [Owe/Y Hag. . 11. (10 points). A baby was born after 61/2 months of pregnancy and developed respiratory distress that required a ventilator. Indicate what was lacking in this baby, its normal source, the change in lung compliance and its cause. ‘» Deflblawus luv. surfacfiufr CWDPPr.) Lama-Me Mme/w fifelce/[s s ML M 371% W I w/ cm ltd/rue. km WW 3 W 1914 (Ma-fife Mfi/f- PFC :1me SW ' THAT’S ALL FOLKS! ...
View Full Document

{[ snackBarMessage ]}

Page1 / 3


This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online