Exam 3

A  K+

B  Na+

C  none of the choices.

D  Ca2+

A  pancreas

B  kidney

C  liver

D  brain

A  maintaining the direction of bloo

B  Maintaining of blood pressure

C  maintaining Heart rate

D  maintaining the length

A  none of the choices.

B  EPO Detectors

C  baroreceptors

D  chemoreceptors

A  Pulse pressure will be around 20-30 mmHg

B  Pulse pressure is increased.

C  Pulse pressure is temporarily decreased.

D  Pulse pressure is unaffected by atherosclerosis.

A  There will be more time for nutrients exchange

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

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

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

A  pulmonary veins

B  pulmonary trunk

C  lobar arteries

D  pulmonary arteries

A  False

B  True

A  False

B  True

A  lower than normal

B  higher than normal

C  none of the choices.

D  unchanged and same as normal

A  polycythemia

B  anemia

C  a viral infection

D  a bacterial infection

A  True

B  False

A  All carry oxygenated blood to the heart.

B  All contain valves to prevent the backflow of blood.

C  All carry blood away from the heart.

D  Only large arteries are lined with endothelium.

A  directly; directly

B  directly; inversely

C  inversely; inversely

D  inversely; directly

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

B  increases as blood viscosity increases

C  decreases with increasing length of the blood vessel

D  increases as blood vessel diameter increases

A  True

B  False

A  240

B  136

C  190

D  484

A  False

B  True

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

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  white blood cells from the donor’s blood cause inflammation

A  B negative

B  O negative

C  AB positive

D  A positive

A  25

B  100

C  50

D  0

A  500

B  75

C  125

D  50

A  False

B  True

A  True

B  False

A  excitation of the sinoatrial (SA) node

B  closure of the heart valves

C  friction of blood against the chamber walls

D  opening of the heart valves

A  expands the thoracic cage

B  none of the choices

C  sends blood through a smaller valve

D  pumps blood against a greater resistance

A  False

B  True

A  arteries

B  capillaries

C  veins

D  arterioles

A  False

B  True

A  living at higher altitude

B  dehydration

C  prolonged or excessive fever

D  injection with erythropoietin (EPO)

A  moving to a lower altitude

B  an increased number of RBCs

C  decreased tissue demand for oxygen

D  hypoxia of EPO-producing cells

A  higher in Children

B  depends on SV

C  lower in children

D  unchanged

A  hydrostatic pressure will remain constant throughout the capillary bed

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

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

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

A  increases peripheral resistance

B  none of the choices.

C  increasing vasomotor activity

D  decreased heart rate