11) Which of following statements are FALSE?
Anonymous Quiz
63%
a) Embolic obstruction of small or medium sized arteries results in pulmonary infarct
16%
b) Multiple PEs can lead to development of pulmonary hypertension & chronic right heart failure.
5%
c) 60-80% of PEs are clinically silent
16%
d) Natural course of PE includes resolution & organization of the emboli.
12) Common risk factors for arterial thrombo-emboli include the following EXCEPT:
Anonymous Quiz
11%
a) Acute myocardial infarction
26%
b) Paradoxical embolism from venous thrombi
53%
c) Rheumatic heart disease
11%
d) Cardiomyopathy
13) Which of the following statements are TRUE?
Anonymous Quiz
5%
a)Amniotic fluid embolism occurs during labour due to tear in the placental membrane.
10%
b) Mortality rate of amniotic fluid embolism is high.
10%
c) Patients with amniotic fluid embolism develop acute pulmonary oedema, RDS & DIC.
75%
d) All of the above
15) Heart failure cells are:
Anonymous Quiz
0%
a) Fibrocytes in myocardium
0%
b) Aschoji's giant cells
100%
c) Hcamosiderin laden macrophages in alveoli
0%
d) Hypertrophic myocardial fibers
16) Heart failure cells are seen in:
Anonymous Quiz
4%
a) Heart
83%
b) Lungs
9%
c) Liver
4%
d) Kidney
17) In a thrombus, the dark lines of Zahn are due to:
Anonymous Quiz
26%
a) Coagulated fibrin
5%
b) Aggregated proteins
26%
c) Aggregated platelets
42%
d) Aggregated R.B.C
18) Shock is a circulatory disturbance characterized
Anonymous Quiz
0%
a) Increased blood pressure
95%
b) Decreased volume of circulating blood
5%
c) Elevated body temperature
0%
d) Decreased volume of interstitial fluid
19) The major factors predisposing to thrombogenesis include all of the following except:
Anonymous Quiz
6%
a) Altered blood flow
0%
b) Endothelial injury
94%
c) Pattern of blood flow
0%
d) Hypercoagulability of blood
20) Which of the following being is the most frequent site of thrombus?
Anonymous Quiz
0%
a) hepatic vein
14%
b) Pulmonary vein
5%
c) Portal vein
81%
d) Veins of lower extremities
21) An infarct is most frequently characterized by what type of necrosis?
Anonymous Quiz
10%
a) Caseous
65%
b) Coagulative
10%
c) Fatty
15%
d) Gangrenous
22) The most reliable post mortem feature of left sided cardiac failure is:
Anonymous Quiz
25%
a) Systemic venous congestion
70%
b) Chronic venous congestion of lungs
0%
c) Enlargement of spleen and liver
5%
d) Oedematous ankles
23) Partial or complete obstruction of some part of the cardiovascular system by a foreign body transported by the blood stream is termed as:
Anonymous Quiz
0%
a) Coagulation
5%
b) Ischaemia
19%
c) Thrombosis
76%
d) Embolism
24) Caisson's discase is caused by:
Anonymous Quiz
14%
a) Amniotic fluid embolism
5%
b) Tumour embolism
5%
c) Hyper coagulability
77%
d) Air or gas embolism
1- The following is a central muscle relaxant acting through stimulation of a2- receptors in CNS:
Anonymous Quiz
18%
a. Dantrolene
36%
b. Baclophen
0%
c. Succinylcholine
45%
d. Tizanidine
19) The major factors predisposing to thrombogenesis include all of the following except:
Anonymous Quiz
0%
a) Altered blood flow
21%
b) Endothelial injury
71%
c) Pattern of blood flow
7%
d) Hypercoagulability of blood
3- Release of calcium from sarcoplasmic reticulum of skeletal muscle is prevented by:
Anonymous Quiz
87%
a. Dantarolene
7%
b. Tubocurarine
7%
c. Baclofen
0%
d. Succinylcholine
4- Concerning skeletal muscle relaxants, which of the following is INCORRECT:
Anonymous Quiz
15%
a. Atracurium is a competitive neuromuscular blocker
8%
b. Succinylcholine is a depolarizing neuromuscular blocker
54%
c. Neostigmine can reverse the action of succinylcholine.
23%
d. Benzodiazepines are central muscle relaxants.
5- Prolonged apnea is sometimes seen in patients who have undergone an operation. Which of the following muscle relaxants could be the cause?
Anonymous Quiz
14%
a- Tubocurarine
79%
b- Succinylcholine
7%
c- Mivacurium
0%
d- Vecuronium