Physio

Front 1

increased metabolic activity of an organ results in _ blood flow to thta same organ due to _

Back 1

1. increased
2. active hyperemia

Front 2

correct statements about the tole of Ca in cardiac muscle contraction

Back 2

1. tension builds slowly due to the gradual buildup of Ca ions
2. the AP from the sinoatrial node depolarizes voltage-gated Ca channels
3. interstitial Ca is the first source of Ca in the cytosol
4. Ca can either bind to troponin of ligand-gated Ca channels in the SR

Front 3

correct statements about cardiac muscles

Back 3

1. gap jxns in the intercalated discs increase contraction coordination
2. the initial signal for contraction comes to the sinoatrial node
3. they are striated but shorter than skeletal muscle
4. the inital source of Ca entering the myocardium is voltage based

Front 4

the removal of erythrocytes

Back 4

1. occurs in the spleen and liver
2. causes bilirubin levels to increase
3. can lead to hemolytic anemia
4. contributes to the yellow in urine

Front 5

correct characteristics of capillaries

Back 5

1. the walls are only one endothelial cell thick
2. there is decreased speed of blood flow
4. increased SA
3. they are under low hydrostatic pressure

Front 6

a friend tells you she just learned from her doctor that _ is destroying more RBCs than normal causing her to have _ anemia

Back 6

1. liver
2. hemolytic

Front 7

SNS stimulation will

Back 7

1. decrease the end systolic volume
2. increase the stroke volume
3. increase the cardiac output
4. increase the conduction velocity

Front 8

the greatest total difference in hydrostatic pressure is between

Back 8

ateries and capillaries

Front 9

correct statements about erythhropoiesis

Back 9

1. it is the production of RBCs
2. occurs in the bone marrow
3. requires iron, B12 and folic acid
4. produces 2 million erythrocytes a second

Front 10

correct matches of heart sound with EKG location and cause are

Back 10

1. lub - post QRS, cuspids closing
2. dub - post T, cuspids closing

Front 11

correct pairs of stimulus with its effect on BP

Back 11

1. hemorrhage-decrease Bp
2. deep body pain-decrease BP
3. low plasma [O2]-increase BP
4. high plasma [CO2]-increase BP

Front 12

the compound that always acts as a vasodilator

Back 12

1. NO

Front 13

correct statements about hypertension

Back 13

1. treatment typically impacts the symptoms
2. diuretics are usually prescribed to decrease BV
3.the underlying cause is usually peripheral resistance

Front 14

correct statements about cardiac muscle contractions

Back 14

1. TT have voltage gated Ca channels
2. the SR has ligand gated Ca channels
3. the Ca binding to troponin might not be from the SR

Front 15

Cardiac output can be decreased by

Back 15

1. decreasing conduction velocity
2. decreasing adrenal medulla secrection
3. increasing end systolic volume

Front 16

correct statements about polycythemia

Back 16

1. it can be caused by the kidneys secreting excess erythropoeitin
2. alleviated by donating blood
3. caused by climbing the Rocky Mountains

Front 17

A decrease in circulating O2 will

Back 17

1. cause the kidneys to release erythropoeitin
2. bone marrow to make erythroctyes
3. cause the B12 vitamins to decrease

Front 18

correct statements about baroreceptors

Back 18

1. the number of afferent AP will increase when BP increases
2. they register the stretching in the larger arteries
3. the response is due to their inactivation than their activation

Front 19

correct statements about heart depolariization

Back 19

1. the arterial cells will pass the AP directly to other atrial cells
2. ventricle depolarization is delayed after the atrial depolarization

Front 20

correct statements about anemia

Back 20

1. it can be defined as a diminished ability for hemoglobin to carry oxygen to the tissues
2. a common form of anemia in pregnancy is due to insufficient folic acid
3. sickle cell anemia is a genetic mutation of the RBC structure