pathophysiology practice test (8)

pathophysiology practice test (8)

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

published on June 17, 201221 responses 0
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1/19

oxygen toxicity can mainly injury?

Hint: 2 choices
central nerous system
respiratory system
circulatory system
alimentary system
2/19

cyanosis may appear in?

Hint: 2 choices
hypoventilation
severe anemia
methemoglobinemia
right heart failure
3/19

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

Hint: 2 choices
pH↑
[H]↑
temperature↓
[2,3-DPG]↑
4/19

in chronic hypoxia?

Hint: 3 choices
erythropoietin synthesis and
releasing↑
the HbO2 dissociation curve shift to
leftward
RBC production↑
cellular ability of the O2
utilization↑
5/19

in the methemoglobinemia?

Hint: 2 choices
HbCO is formed CO2 max↓
HbO2 dissociation curve is leftward shift O2 releasing
from HbO2↓
HbFe becomes HbFe CO2max↓
cellular ability of O2 utilization↓
6/19

which are the reasons of hypotonic hypoxia?

obstruction of the airway
pulmonary edema
tetralogy of Follor
severe peneumothorax
7/19

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

Hint: 3 choices
hyptoinic hypoxia
circulatroy hypoxia
hemic hypoxia
histogenous hypoxia
8/19

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

Hint: 3 choices
hypotonic hypoxia
hemic hypoxia
histogenous hypoxia
circulatroy hypoxa
9/19

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

Hint: 2 choices
PaCO2↑
PaO2↓
pain
[H]↑
10/19

in carbon monoxide poisoning?

Hint: 2 choices
PaO2↓
CO2 max↓
CaO2↓
SaO2↓
11/19

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

Hint: 2 choices
hypotonic hypoxia
circulatry hypoxa
isotonic hypoxia
histogenous hypoxia
12/19

in hypotonic hypoxia the mechanisims of pulmonary hypertension are?

Hint: 3 choices
total periphery resistence↑
excitability and contractility of the pulmonary arterial
SMC↑
excitement of the sympathetic nervous system
substances of pulomnary vasoconstriction↑
13/19

which parameters does accord with circulatory hypoxya?

Hint: 2 choices
PaO2↓
(CaO2-CvO2)↑
CaO2↓
CvO2↓↓
14/19

which parameters does accord with hemic hypoxia?

Hint: 2 choices
(CaO2-CvO2)↑
CaO2↓
PaO2↓
CO2max↓
15/19

when PaO2<60mmHg?

Hint: 2 choices
the excitability of respiratory
center↑
cardiac output↓
the return volume of blood↑
pulmonary hypertension
16/19

Hypoxia is a pathological process,in hypoxia?

Hint: 2 choices
O2 take from inspiring air is
inadequate
O2 transport to cells is inadequate
cellular O2 supply is inadequate
O2 utilization by cells is inadequate
17/19

the cellular damage induced by severe hypoxia include?

cell membrane injury
dysfunction of mitochondria
ATP production↓
autolysis necrosis of cell
18/19

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

Hint: 2 choices
heart
brain
stomach
kidney
19/19

in carbon monoxide poisoning?

Hint: 2 choices
HbCO is formed,blood O2 capacity↓
ventilation volume↓
HbFe2+ becomes HbFe3+
HbO2 dissociation curve is leftward
shift,released O2 from HbO2↓