pathophysiology practice test (8)

pathophysiology practice test (8)

>>>>>>>>Hypoxia practice test<<<<<<<<<<<< >>>>>>>>>>>>>>multiple choice<<<<<<<<<<<<

published on June 17, 201254 responses 0 5.0★ / 5

in carbon monoxide poisoning?

Select the two correct answers
PaO2↓
CO2 max↓
CaO2↓
SaO2↓

cyanosis may appear in?

Select the two correct answers
hypoventilation
severe anemia
methemoglobinemia
right heart failure

in the methemoglobinemia?

Select the two correct answers
HbCO is formed CO2 max↓
HbO2 dissociation curve is leftward shift O2 releasing
from HbO2↓
HbFe becomes HbFe CO2max↓
cellular ability of O2 utilization↓

in carbon monoxide poisoning?

Select the two correct answers
HbCO is formed,blood O2 capacity↓
ventilation volume↓
HbFe2+ becomes HbFe3+
HbO2 dissociation curve is leftward
shift,released O2 from HbO2↓

which kinds of hypoxia can occur in the left heart failure?

Select the two correct answers
hypotonic hypoxia
circulatry hypoxa
isotonic hypoxia
histogenous hypoxia

the cellular damage induced by severe hypoxia include?

Select the four correct answers
cell membrane injury
dysfunction of mitochondria
ATP production↓
autolysis necrosis of cell

in hypotonic hypoxia, the stimulation which can causes respiratroy centra excitement are?

Select the two correct answers
PaCO2↑
PaO2↓
pain
[H]↑

in the early stage of acute hypotonic hypoxia the organs of decreasing blood perfusion are?

Select the two correct answers
heart
brain
stomach
kidney

which are the reasons of hypotonic hypoxia?

Select the four correct answers
obstruction of the airway
pulmonary edema
tetralogy of Follor
severe peneumothorax

in which kinds of hypoxia does PaO2 keep at the normal level?

Select the three correct answers
hyptoinic hypoxia
circulatroy hypoxia
hemic hypoxia
histogenous hypoxia

when PaO2<60mmHg?

Select the two correct answers
the excitability of respiratory
center↑
cardiac output↓
the return volume of blood↑
pulmonary hypertension

which parameters does accord with circulatory hypoxya?

Select the two correct answers
PaO2↓
(CaO2-CvO2)↑
CaO2↓
CvO2↓↓

in which kinds hypoxia does CO2 max keep at the normal level?

Select the three correct answers
hypotonic hypoxia
hemic hypoxia
histogenous hypoxia
circulatroy hypoxa

oxygen toxicity can mainly injury?

Select the two correct answers
central nerous system
respiratory system
circulatory system
alimentary system

in hypotonic hypoxia the mechanisims of pulmonary hypertension are?

Select the three correct answers
total periphery resistence↑
excitability and contractility of the pulmonary arterial
SMC↑
excitement of the sympathetic nervous system
substances of pulomnary vasoconstriction↑

which parameters does accord with hemic hypoxia?

Select the two correct answers
(CaO2-CvO2)↑
CaO2↓
PaO2↓
CO2max↓

which factors can induce a rightward shift of the oxyhemoglobin dissociation curve?

Select the two correct answers
pH↑
[H]↑
temperature↓
[2,3-DPG]↑

Hypoxia is a pathological process,in hypoxia?

Select the two correct answers
O2 take from inspiring air is
inadequate
O2 transport to cells is inadequate
cellular O2 supply is inadequate
O2 utilization by cells is inadequate

in chronic hypoxia?

Select the three correct answers
erythropoietin synthesis and
releasing↑
the HbO2 dissociation curve shift to
leftward
RBC production↑
cellular ability of the O2
utilization↑