Exam 3

A  none of the choices.

B  K+

C  Na+

D  Ca2+

A  kidney

B  liver

C  brain

D  pancreas

A  maintaining the length

B  maintaining the direction of bloo

C  Maintaining of blood pressure

D  maintaining Heart rate

A  baroreceptors

B  none of the choices.

C  chemoreceptors

D  EPO Detectors

A  Pulse pressure is unaffected by atherosclerosis.

B  Pulse pressure is increased.

C  Pulse pressure will be around 20-30 mmHg

D  Pulse pressure is temporarily decreased.

A  There will be more time for nutrients exchange

B  Lower pressure in the capillary bed helps to increase pressure in the venous circulation.

C  Lower pressure on the venous end of the capillary bed allows for greater reabsorption of fluid back to the plasma.

D  Slower blood flow through capillaries allows more time for diffusion to take place in the capillary bed.

A  pulmonary veins

B  pulmonary trunk

C  lobar arteries

D  pulmonary arteries

A  False

B  True

A  False

B  True

A  none of the choices.

B  lower than normal

C  unchanged and same as normal

D  higher than normal

A  anemia

B  a viral infection

C  polycythemia

D  a bacterial infection

A  True

B  False

A  All contain valves to prevent the backflow of blood.

B  All carry blood away from the heart.

C  Only large arteries are lined with endothelium.

D  All carry oxygenated blood to the heart.

A  directly; inversely

B  inversely; directly

C  inversely; inversely

D  directly; directly

A  is not a major factor in blood pressure in healthy individuals

B  increases as blood viscosity increases

C  increases as blood vessel diameter increases

D  decreases with increasing length of the blood vessel

A  False

B  True

A  484

B  240

C  136

D  190

A  False

B  True

A  white blood cells from the donor’s blood cause inflammation

B  antibodies in the donor’s plasma will attack and kill the recipient’s healthy blood cells

C  preformed antibodies in the recipient’s blood will bind and clump (agglutinate) the donated cells

D  clotting factors in the donor’s blood will cause unwanted clots known as thrombus

A  O negative

B  B negative

C  A positive

D  AB positive

A  100

B  0

C  50

D  25

A  50

B  75

C  500

D  125

A  True

B  False

A  False

B  True

A  friction of blood against the chamber walls

B  closure of the heart valves

C  opening of the heart valves

D  excitation of the sinoatrial (SA) node

A  sends blood through a smaller valve

B  expands the thoracic cage

C  none of the choices

D  pumps blood against a greater resistance

A  False

B  True

A  arteries

B  veins

C  capillaries

D  arterioles

A  False

B  True

A  prolonged or excessive fever

B  injection with erythropoietin (EPO)

C  living at higher altitude

D  dehydration

A  an increased number of RBCs

B  hypoxia of EPO-producing cells

C  moving to a lower altitude

D  decreased tissue demand for oxygen

A  depends on SV

B  higher in Children

C  unchanged

D  lower in children

A  hydrostatic pressure will drop as blood moves away from the arteriole end of the capillary bed

B  hydrostatic pressure will remain constant throughout the capillary bed

C  osmotic pressure will be lower in the arteriole end of the capillary bed compared to the venous end

D  hydrostatic pressure will rise as blood moves away from the arteriole end of the capillary bed

A  decreased heart rate

B  increases peripheral resistance

C  none of the choices.

D  increasing vasomotor activity