Pg Blazer - Online Test Series - Weekly Test 2

50 Questions | By Pgblazer | Updated: Mar 18, 2022 | Attempts: 2459

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Pg Blazer - Online Test Series - Weekly Test 2 - Quiz

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Questions and Answers

1.

Posterior communicating artery a branch of
- A.
  
  Internal carotid
- B.
  
  External carotid
- C.
  
  Middle cerebral
- D.
  
  Posterior superior cerebellar
2.

Which of the following is not a branch of Cavernous segment of Internal Carotid Artery?
- A.
  
  Cavernous Branch
- B.
  
  Inferior Hypophyseal Branch
- C.
  
  Meningeal branch
- D.
  
  Ophthalmic branch
3.

Difference between typical cervical & thoracic vertebrae?
- A.
  
  Has a triangular body
- B.
  
  Has a foramen transversarium
- C.
  
  Superior articular facet directed backwards & upwards
- D.
  
  Has a large vertebral body
4.

Males and females show difference in the age of onset of puberty. The difference in the age of onset of puberty amongst males may be explained by:
- A.
  
  Increased Activin A levels
- B.
  
  Decreased Follistatin levels
- C.
  
  Increased Inhibin levels
- D.
  
  Easily releasable FSH pool
5.

True regarding endothelin-1 are all except
- A.
  
  Bronchodilatation
- B.
  
  Vasoconstriction
- C.
  
  Decreased GFR
- D.
  
  Has inotropic effect
6.

Cerebral blood flow is regulated by all except
- A.
  
  Blood pressure
- B.
  
  Arterial PCO2
- C.
  
  Potassium ions
- D.
  
  Cerebral metabolic rate
7.

All of the following occur in mitochondria except:
- A.
  
  Citric acid cycle (Kreb’s cycle)
- B.
  
  Glycogenolysis
- C.
  
  Fatty acid oxidation
- D.
  
  Electron transport chain
8.

Regarding HMP shunt all of the following are true except:
- A.
  
  Occurs in the cytosol
- B.
  
  No ATP is produced in the cycle
- C.
  
  It is active in Adipose tissue, Liver and Gonads
- D.
  
  The oxidative phase generates NADPH and the Non oxidative phase generates pyruvate
9.

Within the RBC, hypoxia stimulates glycolysis by which of the following regulating pathways?
- A.
  
  Hypoxia Stimulates pyruvate dehydrogenase by increased 2,3 DPG
- B.
  
  Hypoxia inhibits hexokinase
- C.
  
  Hypoxia stimulates release of all Glycolytic enzymes from Band 3 on RBC membrane
- D.
  
  Activation of the regulatory enzymes by high PH
10.

The following is an antiapoptotic gene
- A.
  
  Bax
- B.
  
  Bad
- C.
  
  Bcl-X
- D.
  
  Bim
11.

A patient in an ICU is on central venous line for the past one week. He is on ceftazidime and and amikacin. After 7 days of antibiotics he develops a spike of fever and his blood culture is positive for gram positive cocci in chains, which are catalase negative. Following this vancomycin was started but the culture remained positive for the same organism even after 10 days of therapy. The most likely organism causing this infection is
- A.
  
  Staphylococcus aureus
- B.
  
  Virdans streptococci
- C.
  
  Enterococcus faecalis
- D.
  
  Coagulase negative staphylococcus
12.

Anagen phase of the hair indicates:
- A.
  
  The phase of activity and growth
- B.
  
  The phase of transition
- C.
  
  The phase of resting
- D.
  
  The phase of degeneration
13.

(Imaging based question - As per new MCI norms) What is the abnormality seen in the CT scan?
- A.
  
  Extradural haemorrhage
- B.
  
  Subdural haemorrhage
- C.
  
  Subarachnoid haemorrhage
- D.
  
  Intracerebral hemorrhage
14.

Which of the following is not an antiepileptic agent:
- A.
  
  Phenytoin
- B.
  
  Topiramate
- C.
  
  Flunarizine
- D.
  
  Carbamazepine
15.

All of the following antiepileptic agents act via Na+ channel except
- A.
  
  Vigabatrin
- B.
  
  Phenytoin
- C.
  
  Valproate
- D.
  
  Lamotrigne
16.

Prothrombin Time of a patient is 26. Control PT is 13 seconds and Sensitivity index is 1.41. What will be the INR of this patient?
- A.
  
  26/3
- B.
  
  (26/13) * 1.41
- C.
  
  (26/13) ^ 1.41
- D.
  
  (26/13) ^ (1/1.41)
17.

All of the following statements about Heparin are true except?
- A.
  
  Causes Alopecia
- B.
  
  Non Teratogenic
- C.
  
  Releases Lipoprotein Lipase
- D.
  
  Causes Hypokalemia
18.

The following drug is not useful for MRSA?
- A.
  
  Cefaclor
- B.
  
  Cotrimoxazole
- C.
  
  Ciprofloxacin
- D.
  
  Vancomycin
19.

Spalding sign is seen in?
- A.
  
  Drowning
- B.
  
  Maceration
- C.
  
  Mummification
- D.
  
  Starvation
20.

The highest percentage of poly unsaturated fatty acids are present in?
- A.
  
  Ground nut oil
- B.
  
  Palm oil
- C.
  
  Margarine
- D.
  
  Soya bean oil
21.

Chlorine demand is measured by
- A.
  
  Horrock’s apparatus
- B.
  
  Chlorimeter
- C.
  
  Double pot
- D.
  
  Berkfeld filter
22.

All can be incinerated except
- A.
  
  Cytotoxic Waste
- B.
  
  Sharps
- C.
  
  Anatomical waste
- D.
  
  Infectious waste
23.

Direct standardization is used to compare the mortality rates between two countries. This is done because of the difference in
- A.
  
  Causes of death
- B.
  
  Numerators
- C.
  
  Age distributions
- D.
  
  Denominators
24.

A patient presents with acute anterior wall infarction and hypotension. Which will be the immediate treatment modality for this patient?
- A.
  
  Intra aortic balloon counter pulsation
- B.
  
  Anticoagulation
- C.
  
  Thrombolytic therapy
- D.
  
  Angiography and Primary angioplasty
25.

A 70 year old man develops pneumonia and septicemia. Patient goes into renal failure and has a BP of 70/50 mm of Hg. Drug that should be used to maintain BP is:
- A.
  
  Adrenaline
- B.
  
  Ephedrine
- C.
  
  Phenylephrine
- D.
  
  Nor epinephrine