Lecture Exam 1

A  Donor is type A, recipient is type AB

B  Donor is type AB, recipient is type B

C  Donor is type B, recipient has antibody anti-A

D  Donor is type A, recipient has antibody anti-B

E  Donor is type O, recipient is Type O

A  increase.

B  decrease.

A  several minuteswhen tissue damage is extensive.

B  almost a fullminute when tissue damage is extensive.

C  a few millisecondswhen tissue damage is moderate.

D  several hours whentissue damage is moderate.

A  TRUE

B  FALSE

A  destruction, thrombokinase

B  construction,actinomyosin

C  construction,plasmin

D  destruction,plasmin

E  construction,thrombokinase

A  basophil.

B  monocyte.

C  neutrophil.

D  lymphocyte.

E  eosinophil.

A  a, d, e

B  b, e

C  a, e

D  b, c, e

E  a, c

A  defend againstpathogens.

B  triggerallergies.

C  carry carbondioxide through the blood.

D  carry oxygenthrough the blood.

E  form clots.

A  1%

B  25%

C  98%

D  92%

A  Each of the threepathways (intrinsic, extrinsic, and common).

B  The extrinsicpathway

C  The commonpathway

D  The intrinsicpathway

A  Transportation

B  Protection

C  Regulation

D  Prevention

A  acidic,glucose

B  basic, glucose

C  basic, proteins

D  acidic,glycogen

E  acidic,proteins

A  platelets andleukocytes.

B  erythrocytes andleukocytes.

C  platelets.

D  erythrocytes.

E  leukocytes.

A  M-CSF.

B  GM-CSF.

C  Multi-CSF.

D  EPO.

E  G-CSF.

A  smallest, nonucleus

B  largest, nonucleus

C  largest, prominentnuclei

D  smallest,prominent nuclei

A  megakaryocytes andplatelets.

B  granulocytes fromtheir progenitors.

C  erythrocyte progenitor cells.

D  monocytes frommonoblasts.

E  erythrocytes frommyeloid stem cells.

A  located on thesurface of the leukocytes.

B  found in the cytosol of the erythrocytes.

C  located in the cytosol of the leukocytes.

D  found on thesurface of erythrocytes.

E  part of thereticular connective tissue of the spleen.

A  FALSE

B  TRUE

A  FALSE

B  TRUE

A  c, e, g

B  a, b, c, e, f

C  c, d, g

D  a, c, d, f

E  a, b, c, g

A  Monocyte

B  Basophil

C  Neutrophil

D  Eosinophil

E  Lymphocyte

A  FALSE

B  TRUE

A  basophil.

B  eosinophil.

C  lymphocyte.

D  neutrophil.

E  monocyte.

A  TRUE

B  FALSE

A  nonpolar molecule,and therefore it dissolves readily in plasma.

B  polar molecule,and therefore it dissolves readily in plasma.

C  nonpolar molecule,and therefore it requires a transporter in the blood.

D  polar molecule,and therefore it requires a transporter in the blood.

A  relatively resistant to heart attack,because it has a great capacity to accrue oxygen debt.

B  relativelyresistant to heart attack, because it uses exclusively anaerobicmetabolism.

C  extremely susceptible to heart attack, because it uses such a variety of fuel sources.

D  somewhat susceptible to heart attack, because it has so few mitochondria.

E  somewhat susceptible to heart attack, because it relies so exclusively on aerobic metabolism.

A  P-T segment

B  S-T segment

C  P-R interval

D  Q-R segment

E  T-P interval

A  calcium andpotassium channels close.

B  sodium and chloride channels open.

C  calcium channelsclose and potassium channels open.

D  calcium channelsopen and sodium channels close.

E  sodium andpotassium channels open.

A  fibrous and serouslayers of the pericardium.

B  heart muscle andserous pericardium.

C  visceral andparietal layers of the serous pericardium.

D  parietal andmyocardial layers of the fibrous pericardium.

A  TRUE

B  FALSE

A  TRUE

B  FALSE

A  FALSE

B  TRUE

A  Pulmonary arteries

B  Inferior venacava

C  Superior vena cava

D  Pulmonary trunk

E  Pulmonary veins

A  from thesarcoplasmic reticulum of the cell.

B  into the cellthrough voltage-gated channels in the sarcolemma.

C  into the cellthrough leakage channels in the sarcolemma.

D  from the Golgiapparatus of the cell.

A  anaerobicmetabolism using glycolytic enzymes to quickly generate ATP.

B  anaerobicmetabolism using myoglobin, creatin kinase, and ketone bodies.

C  aerobic metabolismusing glycolysis of glycogen to meet most ATP demands.

D  aerobic metabolism using many mitochondria and a rich supply of myoglobin.

A  Relaxation of the left atrium

B  Relaxation of theright ventricle

C  Contraction of the right atrium

D  Contraction of the right ventricle

E  Contraction of the left atrium

A  endocardium.

B  pericardialcavity.

C  myocardium.

D  pericardium.

E  pectinatemuscle.

A  a, b, c

B  a, b, c, e

C  a, d, e

D  a, b, d

E  a, e, f

A  FALSE

B  TRUE

A  leads to tetaniccontractions in smooth and skeletal muscle.

B  allows cardiacmuscle cells to contract and then relax without locking up.

C  occurs only inskeletal muscle and makes those fibers’contractions most forceful.

D  allows cardiacmuscle cells to exhibit synchronous fibrillation.

A  pressure changes of alternating contraction and relaxation during the cardiac cycle.

B  contraction andrelaxation of papillary muscles that pull on heart strings.

C  contraction of thesmooth muscle in the walls of the great vessels leaving the heart.

D  action potentialswithin the cusps of the valves.

A  Sodium is rapidly diffusing out of atrial muscle cells.

B  Potassium isentering atrial cells and sodium is leaving ventricular cells.

C  Sodium channels are beginning to open in ventricular cells and calcium is entering through slowchannels in atrial cells.

D  Calcium is entering and potassium is leaving ventricular cells.

A  4

B  2

C  3

D  1

E  6

A  only the AV valves close.

B  only the AV valves open.

C  the semilunar valves open and the AV valves close.

D  the semilunar valves close and the AV valves open.

E  only the semilunar valves close.

A  millimiters perhour per kilogram.

B  liters pergram.

C  beats per minute per gram.

D  grams perminute.

E  milliliters perminute per gram.

A  increases inperfusion.

B  inadequate bloodsupply and damage to body tissues.

C  increases incapillary exchange.

D  defibrillation ofcardic muscle cell contraction.

A  fills the cusps ofthe atrioventricular valve causing opening of the bicuspid and closure of thetricuspid.

B  pushes against thesemilunar valves and closes them.

C  pushes against thesemilunar valves and opens them.

D  fills the cusps ofthe semilunar valves, causing them to expand and block the backflow ofblood

E  pushes against theatrioventricular valves and opens them.

A  Highly variable, depending on the heart beat rate

B  4

C  1

D  2

E  None of the choices is correct.

A  Bundle branches

B  AV node

C  Purkinje fibers

D  SA node

E  AV bundle

A  floor of the leftatrium.

B  back wallofthe right ventricle.

C  back wall of the left ventricle.

D  floor of the rightatrium.

E  roof of the leftventricle.