Guyton and Hall Medical Physiology 15th Edition – Test Bank | Complete Chapter Exams with Answers & Clinical Rationales

,TEST BANK FOR
z7 z7

Guytonz7andz7Hallz7Textbookz7ofz7Medicalz7Physiologyz7(Guytonz7Physiology)z714
thz7Edition

Chapterz701:z7Functionalz7Organizationz7ofz7thez7Humanz7Bodyz7andz7Controlz7ofz7thez7―Internalz7E
nvironment‖
Hall:z7Guytonz7andz7Hallz7Textbookz7ofz7Medicalz7Physiology,z714thz7Edition


MULTIPLEz7CHOICE

1. Whichz7ofz7thez7followingz7statementsz7aboutz7homeostasisz7isz7incorrect?
a. Itz7refersz7toz7thez7maintenancez7ofz7az7stablez7internalz7environmentz7forz7thez7body.
b. Homeostaticz7mechanismsz7doz7notz7operatez7inz7diseases.
c. Homeostasisz7requiresz7integratedz7actionsz7ofz7thez7cells,z7tissues,z7organs,z7andz7m
ultiple
nervous,z7hormonal,z7andz7localz7controlz7systems.
d. Homeostaticz7compensationsz7thatz7beginz7afterz7az7majorz7environmentalz7challeng
ez7may
contributez7toz7abnormalitiesz7ofz7bodyz7function.
ANS:z 7 B

2. Whatz7isz7thez7mostz7abundantz7typez7ofz7cellz7inz7thez7humanz7body?
a. Neuron
b. Epithelialz7cell
c. Redz7bloodz7cell
d. Whitez7bloodz7cell
e. Vascularz7smoothz7musclez7c
ell
f. Skeletalz7musclez7cell
ANS:z 7 C

3. Thez7mostz7abundantz7substancez7inz7thez7humanz7bodyz7andz7thez7approximatez7percentag
ez7ofz7thatz7substancez7inz7thez7bodyz7isz7whichz7ofz7thez7following?
a. Protein,z730%
b. Protein,z760%
c. Water,z730%
d. Water,z760%
e. Carbohydrate,z730%
f. Carbohydrate,z760%
ANS:z 7 D

4. Ifz7thez7feedbackz7gainz7ofz7az7controlz7systemz7isz 7 2.0,z7thisz7meansz7thatz7thez7systemz7is
a. az7negativez7feedbackz7systemz7capablez7ofz7correctingz71/2z7ofz7thez7initialz7distur
bancez7to
thez7system.

, b. az7negativez7feedbackz7systemz7capablez7ofz7correctingz72/3z7ofz7thez7initialz7distur
bancez7to
thez7system.
c. az7negativez7feedbackz7systemz7capablez7ofz7correctingz73/4z7ofz7thez7initialz7distur
bancez7to
thez7system.
d. az7positivez7feedbackz7systemz7capablez7ofz7correctingz71/2z7ofz7thez7initialz7distur
bancez7to
thez7system.
e. az7positivez7feedbackz7systemz7capablez7ofz7correctingz72/3z7ofz7thez7initialz7distur
bancez7to
thez7system.
f. az7positivez7feedbackz7systemz7capablez7ofz7correctingz73/4z7ofz7thez7initialz7distur
bancez7to
thez7system.
ANS:z 7 B

5. Whichz7ofz7thez7followingz7substancesz7hasz7thez7highestz7extracellularz7fluidz7toz7intracellu
larz7fluidz7concentrationz7ratioz7forz7mostz7mammalianz7cells?
a. Sodiumz7ions
b. Potassiumz7ions
c. Carbonz7dioxid
e
d. Glucose
e. Protein
ANS:z 7 A

6. Exchangez7ofz7substancesz7betweenz7thez7cardiovascularz7systemz7andz7thez7interstitialz7fluid
occursz7mainlyz7inz7whichz7ofz7thez7following?
z7
a. Arteries
b. Arterioles
c. Capillaries
d. Venules
e. Veins
ANS:z 7 C

7. Whatz7isz7thez7approximatez7distancez7fromz7thez7capillariesz7toz7mostz7cellsz7ofz7thez7body?
a. Lessz7thanz750z7angstroms
b. Lessz7thanz750z7microns
c. Lessz7thanz750z7millimeter
s
d. Lessz7thanz7100z7angstrom
s
e. Lessz7thanz7100z7microns
f. Lessz7thanz7100z7millimete
rs
ANS:z 7 A

, 8. Whenz7az7personz7isz7atz7rest,z7howz7muchz7timez7isz7requiredz7forz7thez7bloodz7inz7thez7ci
rculationz7toz7traversez7thez7entirez7circulatoryz7circuit?
a. 1z7second
b. 1z7minute
c. 3z7minutes
d. 4z7minutes
e. 5z7minutes
ANS:z 7 B

9. Thez7typez7ofz7controlz7systemz7thatz7canz7sometimesz7causez7instabilityz7andz7viciousz7
cyclesz7isz7called