Burn clinical points
Most common cause of superficial burns A. Chemical burn B. Sun exposure C. Scald D....
Lambda (λ) sign in USG
Lambda (λ) sign What is lambda sign? What is suggested by Lambda (λ) sign in...
Congenital/ infectious disorders of Skin
All are true of chromosome 9 except A. Translocation of genetic material between chromosomes 9...
Image Question-31
What is the Diagnosis of Image? What is the Diagnosis of MRI Image? A. Endometriosis...
Skin and subcutaneous tissue
All are true regarding epidermis except A. Keratinocytes replaced via mitoses in the cells of...
Immunology MCQs
Which is the primary mediator of vasodilation in "niacin flush"?
Primary mediator of vasodilation in "niacin flush" - Prostaglandin D2
Which is the smallest immunoglobulin?
IgG
In the process of binding of IgE to human mast cells and basophils which of the following is mainly responsible?
The α chain is responsible for IgE binding, and the β and γ chains provide for signal transduction
Which is the most common Immunoglobulin?
IgG
Which is the largest immunoglobulin?
IgM is the largest antibody and the first one to be synthesized in response to an antigen or microbe, accounting for 5% of all immunoglobulins present in the blood. IgM typically exists as polymers of identical subunits, with a pentameric form as the prevalent one.
Which is the least common Immunoglobulin?
IgE:
IgE is the least prevalent one, with a serum concentration 10,000 times lower than IgG.
Binding of IgE to human Mast cells and Basophils is called as -
Binding of IgE to human mast cells and basophils - Called sensitization
Sensitization - Prepares these cells for subsequent antigen specific activation.
Prostanoids includes Prostaglandins and ---------
Prostaglandins and thromboxane A2 (TXA2), collectively termed prostanoids
Which is the major prostaglandin produced by mast cells?
Prostaglandin D2
Which immunoglobulin is an important part of the immune response against infection by certain parasitic worms?
IgE
Medicine MCQs 10 : STERILIZATION & DISINFECTION
Which antiseptic effectiveness is limited by the organism’s ability to produce catalase?
Hydrogen peroxide - effectiveness is limited by the organism’s ability to produce catalase
The process of complete elimination of vegetative forms of microorganisms except the bacterial spores from inanimate objects is called -
The process of complete elimination of vegetative forms of microorganisms except the bacterial spores from inanimate objects is called - Disinfection
germicide includes both antiseptics and disinfectants. Antiseptics are germicides applied to living tissue and skin; disinfectants are antimicrobials applied only to inanimate objects.
In general, antiseptics are used only on the skin and not for surface disinfection, and disinfectants are not used for skin antisepsis because they can injure skin and other tissues.
Which is the most effective skin antiseptic used in medical practice ?
Iodine is the most effective skin antiseptic used in medical practice
Which is the most frequently used method of sterilization in medical practice?
Moist heat sterilization, usually autoclaving, is the most frequently used method of sterilization.
Greatest antimicrobial activity of UV light occurs at -
Greatest antimicrobial activity of UV light occurs at 250 to 260 nm, which is the wavelength region of maximum absorption by the purine and pyrimidine bases of DNA
Flash pasteurization involves exposure of milk and other liquid products to at least -
Flash pasteurization involves exposure of milk and other liquid products to at least 72°C (approx. 162°F) for at least 15 seconds
Phobic Disorders
Which of the following is used for performance anxiety in Phobic Disorders ? Beta blockers…
Infections caused by rickettsiae
Mediterranean spotted fever is caused by A. R. typhi B. R. conorii C. R. akari…
Himalayan P waves
Himalayan P waves are tall (>5 mm) and peaked Most prominent in lead II Suggestive…
Dutcher body
Dutcher body inclusion body structure seen in the nucleushighly specific to neoplastic myeloma cellsPresence of…
Image Question-13
Gottron’s papules – Dermatomyositis
Dermatomyositis Autoantibodies
Autoantibodies are associated with specific complications and findings: Anti-Jo: Antisynthetase syndrome consisting of interstitial lung…
Dermatomyositis
Why is SLE more common in females?
Association with genes on the X-chromosome Women are at ten times more risk of developing…
Wickham striae
Wickham striae Lichen planus Corresponds to fine white or gray lines or dots seen on…
Koebner Phenomenon
Koebner Phenomenon [This phenomenon is also termed the isomorphic response] Appearance of new skin lesions…
Bancroft’s sign
Bancroft’s sign Also known as Moses’ sign Clinical sign found in patients with deep vein…
Auer rods (or Auer bodies)
Auer rods (or Auer bodies) – Large, crystalline cytoplasmic inclusion bodies Observed in myeloid blast…
Beck’s triad [cardiology]
Beck’s triad [cardiology]Components of Beck’s triad [cardiology] Associated with – acute cardiac tamponade Hypotension with…
