Exam 3

A  Ca2+

B  none of the choices.

C  K+

D  Na+

A  kidney

B  liver

C  pancreas

D  brain

A  maintaining Heart rate

B  maintaining the direction of bloo

C  Maintaining of blood pressure

D  maintaining the length

A  none of the choices.

B  chemoreceptors

C  EPO Detectors

D  baroreceptors

A  Pulse pressure is unaffected by atherosclerosis.

B  Pulse pressure will be around 20-30 mmHg

C  Pulse pressure is increased.

D  Pulse pressure is temporarily decreased.

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

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

C  There will be more time for nutrients exchange

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

A  pulmonary arteries

B  lobar arteries

C  pulmonary veins

D  pulmonary trunk

A  True

B  False

A  True

B  False

A  lower than normal

B  unchanged and same as normal

C  none of the choices.

D  higher than normal

A  polycythemia

B  a viral infection

C  a bacterial infection

D  anemia

A  False

B  True

A  Only large arteries are lined with endothelium.

B  All carry oxygenated blood to the heart.

C  All carry blood away from the heart.

D  All contain valves to prevent the backflow of blood.

A  directly; inversely

B  inversely; inversely

C  directly; directly

D  inversely; directly

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

B  decreases with increasing length of the blood vessel

C  increases as blood vessel diameter increases

D  increases as blood viscosity increases

A  False

B  True

A  240

B  190

C  136

D  484

A  True

B  False

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

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

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

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

A  O negative

B  A positive

C  B negative

D  AB positive

A  100

B  0

C  50

D  25

A  75

B  500

C  50

D  125

A  False

B  True

A  False

B  True

A  excitation of the sinoatrial (SA) node

B  opening of the heart valves

C  friction of blood against the chamber walls

D  closure 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  arterioles

B  capillaries

C  veins

D  arteries

A  False

B  True

A  prolonged or excessive fever

B  injection with erythropoietin (EPO)

C  dehydration

D  living at higher altitude

A  decreased tissue demand for oxygen

B  moving to a lower altitude

C  an increased number of RBCs

D  hypoxia of EPO-producing cells

A  unchanged

B  depends on SV

C  higher in Children

D  lower in children

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

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

C  hydrostatic pressure will remain constant throughout the capillary bed

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

A  increases peripheral resistance

B  increasing vasomotor activity

C  decreased heart rate

D  none of the choices.