Exam 3

A  none of the choices.

B  K+

C  Na+

D  Ca2+

A  pancreas

B  brain

C  kidney

D  liver

A  Maintaining of blood pressure

B  maintaining Heart rate

C  maintaining the direction of bloo

D  maintaining the length

A  EPO Detectors

B  baroreceptors

C  chemoreceptors

D  none of the choices.

A  Pulse pressure is increased.

B  Pulse pressure will be around 20-30 mmHg

C  Pulse pressure is temporarily decreased.

D  Pulse pressure is unaffected by atherosclerosis.

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 arteries

B  pulmonary veins

C  lobar arteries

D  pulmonary trunk

A  True

B  False

A  False

B  True

A  unchanged and same as normal

B  lower than normal

C  higher than normal

D  none of the choices.

A  a bacterial infection

B  anemia

C  polycythemia

D  a viral infection

A  False

B  True

A  Only large arteries are lined with endothelium.

B  All carry oxygenated blood to the heart.

C  All contain valves to prevent the backflow of blood.

D  All carry blood away from the heart.

A  inversely; directly

B  directly; directly

C  directly; inversely

D  inversely; inversely

A  increases as blood vessel diameter increases

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

C  decreases with increasing length of the blood vessel

D  increases as blood viscosity increases

A  False

B  True

A  484

B  190

C  136

D  240

A  False

B  True

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

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

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

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

A  AB positive

B  O negative

C  A positive

D  B negative

A  25

B  0

C  100

D  50

A  125

B  50

C  500

D  75

A  True

B  False

A  True

B  False

A  closure of the heart valves

B  friction of blood against the chamber walls

C  excitation of the sinoatrial (SA) node

D  opening of the heart valves

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  True

B  False

A  arteries

B  veins

C  arterioles

D  capillaries

A  True

B  False

A  dehydration

B  injection with erythropoietin (EPO)

C  prolonged or excessive fever

D  living at higher altitude

A  hypoxia of EPO-producing cells

B  an increased number of RBCs

C  moving to a lower altitude

D  decreased tissue demand for oxygen

A  depends on SV

B  higher in Children

C  lower in children

D  unchanged

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

B  hydrostatic pressure will remain constant throughout the capillary bed

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  decreased heart rate

B  none of the choices.

C  increasing vasomotor activity

D  increases peripheral resistance