MCQ
A siderocyte is a RBC containing:
- APappenheimer bodies
- BRussell bodies
- CHerring's bodies
- DSchuffner's dots
Explanation:
A siderocyte is an abnormal RBC that has iron granules that are not part of haemoglobin. Pappenheimer bodies are the abnormal granules of iron found in the RBCs on routine blood stain. They are a type of inclusion body formed by phagosomes, that have engulfed excessive amounts of iron.
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$I.$ Pre and postsynaptic membrane neurons are in very close proximity at electric synapse
$II.$ Electric current are involved in the transmission of impulses
$III.$ Transmission of an impulse across electrical synapses is very similar to impulse conduction along a single axon
$IV.$ Impulse transmission is always faster in electric synapse than that across a chemical synapse
$V.$ Electrical synapses are rare in our system
The correct option is