Which of the following is true regarding cortical blindness
-
Direct and consensual
-
Direct and consensual
-
Direct
-
Direct
Answer: b
A low lander goes to the mountains. When he reaches about 50, 000 feet high, he develops dyspnea. Which of the following is the correct explanation for his symptom
-
Carbon dioxide wash out
-
increased blood flow to the pulmonary tissues
-
CNS depression
-
none
Answer: a
All the following are radiological features of mitral stenosis except
-
straight left heart border
-
oligemia of upper lung fields
-
pulmonary hemo siderosis
-
lifting of the left bronchus
Answer: b
The sodium content of the filtrate in renal medulla is very high because
-
at the loop of henle and vasa recta there is a counter current mechanism
-
increased blood flow to vasa recta
-
increased absorption of sodium from PCT
-
none
Answer: a
Which of the following is the most common cause of late neurological deterioration in a case of cerebro-vascular accident
-
rebleeding
-
vasospasm
-
embolism
-
hydrocephalus
Answer: b
Head trauma patient presents four weeks after his injury with features of irritability and altered sensorium. What is the most likely diagnosis
-
electrolyte imbalance
-
chronic subdural hematoma
-
both
-
none
Answer: b
If a patient on digitalis develops ventricular tachycardia, which of the following drugs you will not use in management
-
amiodarone
-
quinidine
-
phenytoin
-
lidocain
Answer: b
An 85 year old man under went Trans urethral resection of prostate. A histological examination of his specimen showed foci of adenocarcinoma. What is the next step in management
-
endocrine therapy
-
no furthur treatment
-
radical surgery
-
hormone therapy
Answer: b
Skin graft survival within 48hrs of transplantation is due to
-
new vessels growing from the side
-
plasmatic imbibition
-
both
-
none
Answer: b
Which of the following drugs is used to reverse the effect of d-tubocurarin
-
atropine
-
neostigmine
-
physostigmine
-
none
Answer: b