Medicine MCQs -13

'Maltese cross appearance' in RBCs seen in -

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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.

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

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

'Coat-Hanger' headache seen in -

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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

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

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

Which is the VECTOR for Babesiosis?

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Babesiosis - Tick-borne


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

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

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Stereognosis

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

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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

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

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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

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

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

Most common purpose of Lumbar puncture is in suspected -

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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.

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