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Pyramidal lobe

Pyramidal lobe is present in A. Liver B. Lungs C. Thyroid D. Brain Pyramidal lobe...

Acute liver failure

Leading cause of acute liver failure in developing countries is A. Viral hepatitisB. Paracetamol overdoseC....


Medicine MCQs-15

All of the following are CORRECT for peripheral neuropathy EXCEPT -

Correct! Wrong!

Toes are involved first then Fingers

Inverted champagne bottle appearance seen in -

Correct! Wrong!

Lipodermatosclerosis
Charcot-Marie Tooth Disease

Which nerve fiber has slowest conduction velocity?

Correct! Wrong!

Type C
C fibers are unmyelinated unlike most other fibers in the nervous system.
This lack of myelination is the cause of their slow conduction velocity

ALL of the following are CORRECT about Wallerian degeneration EXCEPT -

Correct! Wrong!

Part of the axon distal to the injury (i.e. farther from the neuron's cell body) degenerates


Wallerian degeneration is an active process of degeneration that results when a nerve fiber is cut or crushed and the part of the axon distal to the injury (i.e. farther from the neuron's cell body) degenerates

Which of the following nerve fibers first involved in Peripheral Neuropathy?

Correct! Wrong!

Type C

In the CNS, including the spinal cord, myelin sheaths are produced by -

Correct! Wrong!

In the CNS, including the spinal cord, myelin sheaths are produced by oligodendrocytes and not by Schwann cells.

Most common inherited cause of peripheral neuropathy -

Correct! Wrong!

Most common type inherited cause of peripheral neuropathy is Charcot-Marie-Tooth disease
This is one of the hereditary motor and sensory neuropathies.

ALL of the following causes stocking neuropathy EXCEPT -

Correct! Wrong!

Excess vitamin B6 can cause nerve damage

Dysesthesias restricted to the fifth digit and the adjacent one-half of the fourth finger on one hand point to disorder of the -

Correct! Wrong!

Dysesthesias restricted to the fifth digit and the adjacent one-half of the fourth finger on one hand reliably point to disorder of the ulnar nerve, most commonly at the elbow

Megavitamin-B6 syndrome has been reported in doses as low as -

Correct! Wrong!

Megavitamin-B6 syndrome has been reported in doses as low as 24 mg/day

Most common polyneuropathy is -

Correct! Wrong!

Most common polyneuropathy is diabetic sensorimotor polyneuropathy

Medicine MCQs-14

Most common presentation of Milroy Disease is -

Correct! Wrong!

Most common presentation of Milroy Disease is unilateral lower extremity lymphedema


Milroy's disease is also known as -
Primary or hereditary lymphedema type 1A
Early onset lymphedema.

Stemmer-Kaposi sign is a helpful clinical sign in diagnosing -

Correct! Wrong!

Kaposi-Stemmer sign - inability to pinch and lift the skin at the dorsum of the base of the second toe


Kaposi-Stemmer sign has been shown to be the most useful.

Which of the following is called potato nose?

Correct! Wrong!

Rhinophyma

Milroy's disease is -

Correct! Wrong!

Milroy's disease - autosomal dominant

Blueberry muffin baby is due to -

Correct! Wrong!

Blueberry muffin baby - also known as extramedullary hematopoiesis

Hereditary Lymphedema type II known as -

Correct! Wrong!

Hereditary lymphedema type II - known as - Meige disease

Potato Nose [Rhinophyma] develops in certain individuals with -

Correct! Wrong!

Rhinophyma develops in some individuals after long-standing rosacea that has progressed to acne rosacea

Recent study has proven the link between geographic tongue and ....

Correct! Wrong!

Recent study has proven the link between geographic tongue and psoriasis - the presence of geographic tongue can be a predictor of psoriasis.

Virchow's law is applied for which of the following?

Correct! Wrong!

Virchow's law - during craniosynostosis, skull growth is restricted to a plane perpendicular to the affected, prematurely fused suture and is enhanced in a plane parallel to it.

Most widely accepted cause of Yellow nail syndrome is dysfunction of - lymphatic system

Correct! Wrong!

Most widely accepted explanation for the signs and symptoms associated with Yellow nail syndrome is a dysfunction of the lymphatic system.

Medicine MCQs -13

'Brugada syndrome' is most frequently linked to mutations in the

Correct! Wrong!

Brugada syndrome - most frequently linked to mutations in the Na+ channel α-subunit, SCN5A

'Maltese cross appearance' in RBCs seen in -

Correct! Wrong!

Babesia microti, a hemoprotozoan parasite of rodents, is also important as a zoonotic agent of human babesiosis. The Maltese cross form, which consists of four masses in an erythrocyte, is characteristic of the developmental stage of B. microti.

Which is the VECTOR for Babesiosis?

Correct! Wrong!

Babesiosis - Tick-borne


Tsetse flies - Sleeping sickness (African trypanosomiasis) - Parasite
Sandflies - Leishmaniasis.
Lice - Typhus - Louse-borne relapsing fever

Orthostatic hypotension is defined as a reduction in systolic blood pressure of at least ...... mmHg or diastolic blood pressure of at least ..... mmHg within ..... min of standing

Correct! Wrong!

Orthostatic hypotension is defined as a reduction in systolic blood pressure of at least 20 mmHg or diastolic blood pressure of at least 10 mmHg within 3 min of standing

When non painful stimulus is experienced as painful is is called as -

Correct! Wrong!

Hypesthesia or hypoethesia refers to a reduction of cutaneous sensation to a specifc type of testing such as pressure, light touch, and warm or cold stimuli


Allodynia describes the situation in which a nonpainful stimulus is experienced as painful
Hyperalgesia denotes severe pain in response to a mildly noxious stimulus

'Maltese crosses' under polarized light are commonly seen in the urinary sediment of patients with -

Correct! Wrong!

Maltese crosses under polarized light are commonly seen in the urinary sediment of patients with a nephrotic syndrome

Upper motor neuron lesions ALL of the following are CORRECT EXCEPT -

Correct! Wrong!

Fasciculations may be a sign of degeneration of lower motor neurons in which case they may be associated with muscle cramps and neuromyotonia.

'Coat-Hanger' headache seen in -

Correct! Wrong!

Headache of Orthostatic hypotension - is called coat-hanger ache because it affects the neck and shoulders in a coat-hanger pattern.


Neck pain, typically in the suboccipital, posterior cervical, and shoulder region (the "coat-hanger headache"),
Coat-hanger headache -most likely due to neck muscle ischemia

Abiliity to identify common objects by palpa­tion, recognizing their shape, texture and size is called as -

Correct! Wrong!

Stereognosis

Most common purpose of Lumbar puncture is in suspected -

Correct! Wrong!

Most common purpose is in suspected meningitis, since there is no other reliable tool with which meningitis, a life-threatening but highly treatable condition, can be excluded.

Medicine MCQs – EBV

"kissing disease" is other name for

Correct! Wrong!

Infectious mononucleosis is often called the kissing disease.
Epstein-Barr virus is spread through saliva.

In the endemic type Burkitt's lymphoma ALL of the following factors primarily contribute to its development EXCEPT -

Correct! Wrong!

In the endemic type Burkitt's lymphoma there are three factors that contribute to its development:
- Malaria,
- EBV,
- Expression of the c-myc gene.

All of the following are CORRECT for EBV infection EXCEPT -

Correct! Wrong!

Fever is usually low-grade and is most common in the first 2 weeks of the illness

In EBV infection Lymphadenopathy most often affects -

Correct! Wrong!

Lymphadenopathy most often affects the posterior cervical nodes but may be generalized.
Enlarged lymph nodes are frequently tender and symmetric but are not fixed in place.

Epstein-Barr virus spreads primarily through -

Correct! Wrong!

Epstein-Barr virus, or EBV- It spreads primarily through saliva

Which is the most prominent sign in EBV infection?

Correct! Wrong!

Pharyngitis, often the most prominent sign, can be accompanied by enlargement of the tonsils with an exudate resembling that of streptococcal pharyngitis.

Severity of the disease in EBV infection correlates with the levels of

Correct! Wrong!

Severity of the disease correlates with the levels of CD8+ T cells and EBV DNA in the blood.

Immunology MCQs

Which is the largest immunoglobulin?

Correct! Wrong!

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 most common Immunoglobulin?

Correct! Wrong!

IgG

Which is the smallest immunoglobulin?

Correct! Wrong!

IgG

Which is the primary mediator of vasodilation in "niacin flush"?

Correct! Wrong!

Primary mediator of vasodilation in "niacin flush" - Prostaglandin D2

Which is the least common Immunoglobulin?

Correct! Wrong!

IgE:


IgE is the least prevalent one, with a serum concentration 10,000 times lower than IgG.

In the process of binding of IgE to human mast cells and basophils which of the following is mainly responsible?

Correct! Wrong!

The α chain is responsible for IgE binding, and the β and γ chains provide for signal transduction

Which immunoglobulin is an important part of the immune response against infection by certain parasitic worms?

Correct! Wrong!

IgE

Binding of IgE to human Mast cells and Basophils is called as -

Correct! Wrong!

Binding of IgE to human mast cells and basophils - Called sensitization
Sensitization - Prepares these cells for subsequent antigen specific activation.

Prostanoids includes Prostaglandins and ---------

Correct! Wrong!

Prostaglandins and thromboxane A2 (TXA2), collectively termed prostanoids

Which is the major prostaglandin produced by mast cells?

Correct! Wrong!

Prostaglandin D2

Medicine MCQs 10 : STERILIZATION & DISINFECTION

Greatest antimicrobial activity of UV light occurs at -

Correct! Wrong!

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

Which antiseptic effectiveness is limited by the organism’s ability to produce catalase?

Correct! Wrong!

Hydrogen peroxide - effectiveness is limited by the organism’s ability to produce catalase

Flash pasteurization involves exposure of milk and other liquid products to at least -

Correct! Wrong!

Flash pasteurization involves exposure of milk and other liquid products to at least 72°C (approx. 162°F) for at least 15 seconds

Which is the most effective skin antiseptic used in medical practice ?

Correct! Wrong!

Iodine is the most effective skin antiseptic used in medical practice

The process of complete elimination of vegetative forms of microorganisms except the bacterial spores from inanimate objects is called -

Correct! Wrong!

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 frequently used method of sterilization in medical practice?

Correct! Wrong!

Moist heat sterilization, usually autoclaving, is the most frequently used method of sterilization.

Dutcher body

Dutcher body inclusion body structure seen in the nucleushighly specific to neoplastic myeloma cellsPresence of…

Dermatomyositis

Dermatomyositis is a rare acquired immune-mediated muscle disease characterized by muscle weakness and skin rash….
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