Pg Blazer - Online Test Series 20 - Medicine

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Medical Test Quizzes & Trivia

Subject wise MCQ test - Medicine. For more online practice tests, go to PG Blazer Online Test Series.


Questions and Answers
  • 1. 

    Most common catheter induced blood infection is due to

    • A.

      Staphylococcus aureus

    • B.

      Coagulase negative staphylococci

    • C.

      Gram negative bacilli

    • D.

      Candida

    Correct Answer
    B. Coagulase negative staphylococci
    Explanation
    Coagulase negative staphylococci are the most common cause of catheter-induced blood infections. These bacteria are commonly found on the skin and can enter the bloodstream through the catheter insertion site. They are a leading cause of healthcare-associated infections and can form biofilms on the catheter surface, making them difficult to treat. Staphylococcus aureus, gram-negative bacilli, and Candida can also cause catheter-related infections, but coagulase negative staphylococci are the most prevalent.

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  • 2. 

    Hemolytic uremic syndrome is associated with all except

    • A.

      EHEC

    • B.

      Shigella

    • C.

      Campylobacter

    • D.

      Vibrio cholera

    Correct Answer
    D. Vibrio cholera
    Explanation
    Infections causing hemolytic uremic syndrome:

    Enterohaemorrhagic E. coli
    Shigella dysenteriae type 1
    Campylobacter jejuni
    Streptococcus pneumoniae
    HIV

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  • 3. 

    All are associated with pituitary apoplexy except :  

    • A.

      Hyperthyroidism

    • B.

      Diabetes mellitus

    • C.

      Sickle cell anemia

    • D.

      Hypertension

    Correct Answer
    A. Hyperthyroidism
    Explanation
    Due to decrease in TSH secretion, there is hypothyroidism in pituitary apoplexy. The other options are known causes of pituitary apoplexy.

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  • 4. 

    Lnfective endocarditis due to pseudomonas is most commonly seen with  

    • A.

      Intravenous drug abuse of pentazocin

    • B.

      HIV patient

    • C.

      Chronic steroid therapy

    • D.

      Elderly with community acquired pneumonia

    Correct Answer
    A. Intravenous drug abuse of pentazocin
    Explanation
    Pseudomonas endocarditis is seen in intravenous drug abusers and those with prosthetic heart valves.

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  • 5. 

    Causes of raised J.V.P. with hypotension are all except  

    • A.

      Cardiac tamponade

    • B.

      Right ventricular M.I.

    • C.

      Heart failure

    • D.

      2nd degree A.V. block

    Correct Answer
    D. 2nd degree A.V. block
    Explanation
    Causes of raised JVP with hypotension:

    Cardiac tamponade
    Right ventricular MI
    Right heart failure
    Constrictive pericarditis
    Restrictive cardiomyopathy

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  • 6. 

    Water hammer pulse seen in  

    • A.

      Aortic stenosis

    • B.

      Aortic regurgitation

    • C.

      Aortic stenosis and Aortic regurgitation

    • D.

      Mitral regurgitation

    Correct Answer
    B. Aortic regurgitation
    Explanation
    Water hammer pulse refers to a forceful and rapid rise and fall in arterial blood pressure. It is characterized by a quick and strong pulse followed by a sudden collapse. Aortic regurgitation is a condition where the aortic valve doesn't close properly, causing blood to flow back into the left ventricle during diastole. This leads to an increased volume of blood in the left ventricle, which then gets forcefully ejected during systole, resulting in a water hammer pulse. Therefore, the correct answer is Aortic regurgitation.

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  • 7. 

    Which is useful to decrease mortality and renal failure in acute liver disease due to alcoholism  

    • A.

      Pentoxifylline

    • B.

      Orlistat

    • C.

      S-Adenosyl methionine

    • D.

      Spiramycin

    Correct Answer
    A. Pentoxifylline
    Explanation
    Pentoxifylline is useful in decreasing mortality and renal failure in acute liver disease due to alcoholism. It is a medication that improves blood flow by decreasing the viscosity of blood and reducing inflammation. In acute liver disease, alcohol can cause inflammation and damage to the liver, leading to complications such as renal failure. Pentoxifylline helps to reduce inflammation and improve blood flow to the liver, thereby decreasing the risk of mortality and renal failure.

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  • 8. 

    In primary pulmonary hypertension basic abnormality in gene lies in   

    • A.

      Bone morphogenetic protein receptor II

    • B.

      Endothelin

    • C.

      Homeobox gene

    • D.

      PAX-11

    Correct Answer
    A. Bone morphogenetic protein receptor II
    Explanation
    The correct answer is Bone morphogenetic protein receptor II. In primary pulmonary hypertension, there is a basic abnormality in the gene that codes for the bone morphogenetic protein receptor II. This receptor is involved in regulating the growth and development of blood vessels in the lungs. Mutations in this gene can lead to abnormal blood vessel growth and constriction, resulting in increased blood pressure in the pulmonary arteries. This can eventually lead to the development of pulmonary hypertension.

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  • 9. 

    Life threatening complications of diabetes mellitus are all except :   

    • A.

      Malignant otitis externa

    • B.

      Rhinocerebral mucormycosis

    • C.

      Emphysematous pyelonephritis

    • D.

      Emphysematous appendicitis

    Correct Answer
    D. Emphysematous appendicitis
    Explanation
    Emphysematous appendicitis is not a life-threatening complication of diabetes mellitus. Malignant otitis externa, rhinocerebral mucormycosis, and emphysematous pyelonephritis are all serious complications that can occur in individuals with diabetes. Malignant otitis externa is a severe infection of the ear canal that can spread to the skull base. Rhinocerebral mucormycosis is a rare but potentially fatal fungal infection that affects the sinuses, brain, and other organs. Emphysematous pyelonephritis is a severe infection of the kidneys that can lead to kidney failure.

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  • 10. 

    Digital clubbing is seen in all except  

    • A.

      Endocarditis

    • B.

      Pulmonary arteriovenous fistula

    • C.

      Tricuspid atresia

    • D.

      Aortic dissection

    Correct Answer
    D. Aortic dissection
    Explanation
    Digital clubbing is a condition characterized by the enlargement of the fingertips and nails. It is commonly associated with various respiratory and cardiovascular diseases. Endocarditis, pulmonary arteriovenous fistula, and tricuspid atresia are all conditions that can cause digital clubbing. However, aortic dissection is not typically associated with digital clubbing. Aortic dissection is a serious condition where there is a tear in the inner layer of the aorta, the large blood vessel that carries blood from the heart to the rest of the body. While aortic dissection can cause other symptoms, digital clubbing is not one of them.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 30, 2011
    Quiz Created by
    Pgblazer
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