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Phys 261 Final exam questions with answers, Exams of Physiology

Western Carolina University (WCU)Physiology

Phys 261 Final exam questions with answers

Typology: Exams

2024/2025

Available from 07/04/2025

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Phys |\261 |\– |\Midterm |\exam |\questions |\with |\
answers
Which |\of |\the |\following |\is |\NOT |\a |\function |\of |\the |\respiratory |\system?
a. |\Assist |\in |\smelling.
b. |\Ventilation
c. |\Air |\Filtration
b. |\Perfusion
d. |\Assist |\in |\speech
e. |\Homeostatic |\regulation |\of |\body |\pH. |\- |\CORRECT |\ANSWERS |\✔✔b. |\
Perfusion
What |\is |\the |\term |\describing |\inhaled |\air |\after |\normal |\inspiration?
a. |\Tidal |\Volume |\(TV)
b. |\Expiratory |\Reserve |\Volume |\(ERV)
c. |\Inspiratory |\Reserve |\Volume |\(IRV)
d. |\Residual |\Volume |\(RV)
e. |\Vital |\Capacity |\(VC) |\- |\CORRECT |\ANSWERS |\✔✔c. |\Inspiratory |\Reserve
|\Volume |\(IRV)
What |\is |\gas |\exchange |\2?
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Phys |\ 261 |\– |\Midterm |\exam |\questions |\with |\

answers

Which |\of |\the |\following |\is |\NOT |\a |\function |\of |\the |\respiratory |\system? a. |\Assist |\in |\smelling. b. |\Ventilation c. |\Air |\Filtration b. |\Perfusion d. |\Assist |\in |\speech e. |\Homeostatic |\regulation |\of |\body |\pH. |- |\CORRECT |\ANSWERS |\✔✔b. |
Perfusion What |\is |\the |\term |\describing |\inhaled |\air |\after |\normal |\inspiration? a. |\Tidal |\Volume |(TV) b. |\Expiratory |\Reserve |\Volume |(ERV) c. |\Inspiratory |\Reserve |\Volume |(IRV) d. |\Residual |\Volume |(RV) e. |\Vital |\Capacity |(VC) |- |\CORRECT |\ANSWERS |\✔✔c. |\Inspiratory |\Reserve |\Volume |(IRV) What |\is |\gas |\exchange |\2?

a. |\The |\exchange |\of |\gasses |\through |\alveoli. |
b. |\The |\exchange |\of |\gasses |\through |\cells. c. |\During |\ventilation. d. |\The |\exchange |\of |\gasses |\through |\flatulence. |
e. |\The |\exchange |\of |\gasses |\through |\perspiration. |- |\CORRECT |
ANSWERS |\✔✔a. |\The |\exchange |\of |\gasses |\through |\alveoli. The |\exchange |\of |\gasses |\during |\cellular |\respiration |\is |\known |\as |
which |\of |\the |\following? a. |\Gas |\exchange |\ 1 b. |\Gas |\exchange |\ 2 c. |\Gas |\exchange |\ 3 d. |\Gas |\exchange |\ 4 e. |\Gas |\exchange |\ 5 |- |\CORRECT |\ANSWERS |\✔✔c. |\Gas |\exchange |\ 3 What |\creates |\natural |\pressure |\gradients |\in |\the |\body? a. |\Lungs b. |\Neurons c. |\Muscles d. |\Heart e. |\Red |\Blood |\Cells |- |\CORRECT |\ANSWERS |\✔✔c. |\Muscles

  1. |\Larynx
  2. |*Trachea |- |\some |\would |\argue |\it |\is. Name |\all |\the |\parts |\of |\the |\lower |\respiratory |\tract? |- |\CORRECT |
    ANSWERS |\✔✔1. |*Trachea |- |\some |\would |\argue |\it |\is.
  3. |\Bronchus
  4. |\Bronchioles
  5. |\Lungs
  6. |\Alveoli
  7. |\Diaphragm Name |\at |\least |\three |\functions |\of |\respiratory |\system? |- |\CORRECT |
    ANSWERS |\✔✔a. |\Homeostatic |\regulation |\of |\body |\pH. b. |\Assist |\in |\vocalization. c. |\Assist |\in |\smelling. d. |\Air |\filtration. e. |\Air |\ventilation. How |\to |\calculate |\Vital |\Capacity? a. |\IRV |+ |\TV |+ |\ERV b. |\RV |+ |\VC |+ |\TV c. |\TLC |+ |\HGTV |+ |\CNN |\

d. |\ERV |+ |\IRV e. |\I |\know |\it, |\I |\just |\don't |\want |\to |\tell |\you. |- |\CORRECT |\ANSWERS |
✔✔a. |\IRV |+ |\TV |+ |\ERV What |\is |\the |\leftover |\air |\capacity |\after |\expelling |\ERV? a. |\Total |\Lung |\Capacity |(TLC) b. |\Expiratory |\Reserve |\Volume |(ERV) c. |\Tidal |\Volume |(TV) d. |\Residual |\Volume |(RV) e. |\Vital |\Capacity |(VC) |- |\CORRECT |\ANSWERS |\✔✔d. |\Residual |\Volume |
(RV) What |\is |\described |\as |\the |\lung |\volume |\during |\normal |\breathing? a. |\Total |\Lung |\Capacity |(TLC) b. |\Vital |\Capacity |(VC) c. |\Tidal |\Volume |(TV) d. |\Expiratory |\Reserve |\Volume |(ERV) e. |\Resting |\Capacity |- |\CORRECT |\ANSWERS |\✔✔c. |\Tidal |\Volume |(TV) How |\to |\calculate |\total |\lung |\capacity? a. |\IRV |+ |\TV |+ |\ERV |+ |\RV b. |\IRV |+ |\TV |+ |\ERV |\

b. |\Lungs c. |\Brochioles d. |\Alveoli |\Type |\II e. |\Capillaries |\Type |\II |- |\CORRECT |\ANSWERS |\✔✔d. |\Alveoli |\Type |\II Describe |\Boyle's |\Law? |- |\CORRECT |\ANSWERS |\✔✔As |\volume |\increases, |\pressure |\decreases. As |\volume |\decreases, |\pressure |\increases. Which |\part |\of |\the |\respiratory |\system |\does |\95% |\of |\the |\gas |\exchange |\function? a. |\Alveoli |\Type |\ 1 b. |\Lungs c. |\Brochioles d. |\Alveoli |\Type |\II e. |\Capillaries |\Type |\II |- |\CORRECT |\ANSWERS |\✔✔a. |\Alveoli |\Type |\ 1 What |\chemical |\breaks |\the |\surface |\tension |\in |\the |\surface |\of |\lungs |\to |\allow |\compliance |\and |\elastance? a. |\Hormones b. |\Surtacfant c. |\Epinephrine

d. |\Cyanide e. |\Surfactant |- |\CORRECT |\ANSWERS |\✔✔e. |\Surfactant What |\happens |\to |\the |\pressure |\in |\alveoli |\during |\inspiration? a. |\Increases. b. |\Stays |\the |\same. c. |\Decreases |\then |\sharply |\decreases. d. |\Decreases e. |\Pressure |\doesn't |\change. |- |\CORRECT |\ANSWERS |\✔✔d. |\Decreases Describe |\Dalton's |\Law? |- |\CORRECT |\ANSWERS |\✔✔The |\total |\pressure |
of |\a |\mixture |\of |\gasses |= |\The |\total |\partial |\pressures |\of |\the |\gasses |
individually. What |\is |\alveolar |\ventilation? |- |\CORRECT |\ANSWERS |\✔✔The |\amount |
of |\air |\reaching |\alveoli |\per |\minute. If |\the |\doctor |\says |\that |\the |\pressure |\of |\the |\patient's |\alveoli |\is |
increasing, |\what |\is |\probably |\happening |\with |\the |\patient's |
respiration? a. |\The |\patient |\is |\inhaling |\naturally. b. |\The |\patient |\is |\hyper |\ventilating. c. |\The |\patient |\is |\exhaling |\naturally.

b. |\Speedometry c. |\Spiralmetrics d. |\Spirometry e. |\Spirology |- |\CORRECT |\ANSWERS |\✔✔Spirometry How |\to |\calculate |\total |\pulmonary |\ventilation? a. |\Ventilation |\Rate |\x |\Spirometric |\Volume b. |\Tidal |\Volume |\x |\Total |\Volume c. |\Total |\Volume |\x |\Dalton's |\Law d. |\Ventilation |\Rate |\x |\Tidal |\Volume e. |\Ventialtion |\Rate |\x |\Resting |\Capacity |- |\CORRECT |\ANSWERS |\✔✔d. |
Ventilation |\Rate |\x |\Tidal |\Volume What |\is |\the |\movement |\of |\air |\between |\the |\atmosphere |\and |\lungs? a. |\Compliance b. |\Gas |\exchange c. |\Respiration d. |\Perspiration e. |\Ventilation |- |\CORRECT |\ANSWERS |\✔✔e. |\Ventilation What |\are |\tiny |\interconnected |\sacs |\in |\the |\lungs |\that |\serve |\as |\the |
site |\of |\gas |\exchange?

a. |\Adipose b. |\Capillaries |
c. |\Brochioles d. |\Alveoli |
e. |\Lipids |- |\CORRECT |\ANSWERS |\✔✔d. |\Alveoli Name |\any |\of |\the |\following |\that |\spirometry |\is |\meant |\to |\measure? a. |\Air |\volume |\inhalation b. |\Air |\volume |\exhalation c. |\Breathing |\Rate d. |\Dead |\Space |\Volume e. |\Alveoli |\Rate |- |\CORRECT |\ANSWERS |\✔✔a. |\Air |\volume |\inhalation b. |\Air |\volume |\exhalation c. |\Breathing |\Rate Which |\of |\the |\following |\describes |\blood |\flow? a. |\Ventilation b. |\Respiration c. |\Hydration d. |\Perfusion e. |\Perspiration |- |\CORRECT |\ANSWERS |\✔✔d. |\Perfusion

a. |\Blood |\destruction b. |\Blood |\genesis c. |\Blood |\clotting d. |\Blood |\diffusion e. |\Blood |\letting |- |\CORRECT |\ANSWERS |\✔✔c. |\Blood |\clotting What |\is |\the |\term |\describing |\blood |\becoming |\overly |\saturated |\to |\the |\point |\of |\bursting? a. |\Hemoglysis b. |\Consternation c. |\Crenation d. |\Hemolysis e. |\Homophobic |- |\CORRECT |\ANSWERS |\✔✔Hemolysis Which |\protein |\in |\plasma |\is |\the |\smallest |\but |\of |\the |\greatest |
quantity? a. |\Transferins b. |\Monocytes c. |\Albumins d. |\Globulins e. |\Fabrinogens |- |\CORRECT |\ANSWERS |\✔✔c. |\Albumins

Which |\protein |\in |\plasma |\assists |\in |\iron |\transport? a. |\Transferins b. |\Monocytes c. |\Albumins d. |\Globulins e. |\Fabrinogens |- |\CORRECT |\ANSWERS |\✔✔a. |\Transferins What |\is |\the |\term |\describing |\blood |\becoming |\underinflated? a. |\Hemoglysis b. |\Consternation c. |\Crenation d. |\Hemolysis e. |\Homophobic |- |\CORRECT |\ANSWERS |\✔✔c. |\Crenation If |\a |\blood |\cell |\is |\said |\to |\be |\in |\crenation, |\it |\is |\also |\which |\of |\the |
following? a. |\Hypertonic b. |\Hyperglaciated c. |\Hyperactivated d. |\Isotonic e. |\Hypotonic |- |\CORRECT |\ANSWERS |\✔✔a. |\Hypertonic

b. |\Monocytes c. |\Albumins d. |\Globulins e. |\Fabrinogens |- |\CORRECT |\ANSWERS |\✔✔d. |\Globulins What |\is |\contained |\in |\solutes |\in |\whole |\blood? |- |\CORRECT |\ANSWERS |
✔✔Electrolytes, |\Organic |\Nutrients, |\and |\Organic |\Wastes. Leukocytes |\consists |\of |\what |\two |\major |\groups? a. |\Agranulocytes |\and |\Monocytes b. |\Granulocytes |\and |\Agranulocytes c. |\Neutrophils |\and |\Basophils d. |\Monocytes |\and |\Lymphocytes e. |\Granulocytes |\and |\Eosinophils |- |\CORRECT |\ANSWERS |\✔✔b. |
Granulocytes |\and |\Agranulocytes What |\are |\two |\cells |\that |\belong |\with |\agranulocytes? |- |\CORRECT |
ANSWERS |\✔✔Monocytes |\and |\Leukocytes What |\are |\the |\three |\cells |\that |\belong |\with |\granulocytes? |- |\CORRECT |
ANSWERS |\✔✔Neutrophils, |\Eosinophils |\and |\Basophils

Which |\of |\the |\following |\is |\known |\to |\attack |\bacteria |\and |\are |\first |
responders? a. |\Neutrophils b. |\Basophils c. |\Eosinophils d. |\Naturophils e. |\Glasophils |- |\CORRECT |\ANSWERS |\✔✔a. |\Neutrophils What |\is |\hemolysis? |- |\CORRECT |\ANSWERS |\✔✔The |\rupture |\or |
destruction |\of |\red |\blood |\cells. Which |\protein |\is |\large |\and |\in |\plasma |\that |\assists |\in |\blood |\clotting? a. |\Transferins b. |\Monocytes c. |\Albumins d. |\Globulins e. |\Fabrinogens |- |\CORRECT |\ANSWERS |\✔✔e. |\Fabrinogens Which |\of |\the |\following |\is |\known |\to |\attack |\allergens |\and |\parasites? a. |\Neutrophils b. |\Basophils c. |\Eosinophils

d. |\Duocytes e. |\Eosinocytes |- |\CORRECT |\ANSWERS |\✔✔c. |\Lymphocytes What |\is |\the |\percentage |\of |\water, |\proteins, |\and |\solutes |\in |\plasma? |- |
CORRECT |\ANSWERS |\✔✔92%, |\7%, |\and |\1%. What |\is |\the |\percentage |\of |\erythrocytes, |\leukocytes, |\and |\platelets? |- |
CORRECT |\ANSWERS |\✔✔99%, |<1%, |\and |<1%. Which |\of |\the |\following |\includes |\macrophages, |\langerhan's |\cells, |
microglials, |\etc? a. |\Monocytes b. |\Basocytes c. |\Lymphocytes d. |\Duocytes e. |\Eosinocytes |- |\CORRECT |\ANSWERS |\✔✔a. |\Monocytes What |\is |\hematopoiesis? |- |\CORRECT |\ANSWERS |\✔✔Blood |\cell |
formation |\in |\bone |\marrow. What |\is |\Erythropoietin |(EPO)? |- |\CORRECT |\ANSWERS |\✔✔A |\hormone |
produced |\and |\released |\by |\the |\kidney |\that |\stimulates |\the |\production |\of |\red |\blood |\cells |\by |\the |\bone |\marrow.

What |\is |\thrombopoietin? |- |\CORRECT |\ANSWERS |\✔✔A |\hormone |
produced |\and |\released |\by |\the |\liver |\that |\stimulates |\the |\production |
of |\platelets |\or |\megakaryoctyes. What |\is |\normal |\hematocrit |\readings |\for |\females? |- |\CORRECT |
ANSWERS |\✔✔ 37 |\to |\47% Name |\atleast |\three |\useful |\purpose |\of |\hematocrit |\readings? |- |
CORRECT |\ANSWERS |\✔✔1. |\Indicate |\ratio |\of |\RBC |\to |\whole |\blood.

  1. |\Indicate |\packed |\cell |\volume.
  2. |\Detect |\Polycythemia.
  3. |\Detect |\Anemia. What |\is |\normal |\hematocrit |\readings |\for |\males? |- |\CORRECT |
    ANSWERS |\✔✔ 40 |\to |\54% Describe |\the |\journey |\of |\a |\red |\blood |\cell? |- |\CORRECT |\ANSWERS |
    ✔✔Iron |\ingested |-> |\absorbed |\by |\small |\intestine |-> |\transferrin |\in |
    plasma |\transport |\iron |\to |\bone |\marrow |-> |\bone |\marrow |\converts |
    iron |\to |\heme |\to |\hemoglobin |-> |\red |\blood |\cell |\synthesis |-> |\ 120 |\days |\life |-> |\spleen |\destroys |\RBC |-> |\hemoglobin |\converted |\to |\bilirubin |-> |
    bilirubin |\excreted |\as |\urine |\or |\feces |\and |\iron |\excess |\recycled |\in |\liver |
    as |\ferritin |\or |\transferrin.