What Mechanism Occurs in Raynaud Phenomenon That Classifies It as a Type

question 28

Multiple Choice

What mechanism occurs in Raynaud phenomenon that classifies it as a type III hypersensitivity reaction?

• A)Immune complexes are deposited in capillary beds, blocking circulation.
• B)Mast cells bind to specific endothelial receptors that cause them to degranulate, creating a localized inflammatory reaction that occludes capillary circulation.
• C)Cytotoxic T lymphocytes attack and destroy the capillaries so that they are unable to perfuse local tissues.
• D)Antibodies detect the capillaries as foreign protein and destroy them using lysosomal enzymes and toxic oxygen species.

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Definitions:

Net Method

An accounting approach that records transactions after deducting any discounts, rather than recording them at their gross amount and including the discounts as a separate item.

Purchase Discounts

Price reductions given by suppliers to buyers as an incentive for early payment of their purchase invoices.

Journalize

The process of recording business transactions in the journal, making note of the debit and credit of each transaction as per double-entry bookkeeping rules.

Inventory Valuation

The process of determining the monetary value of a company's inventory, using methods such as FIFO (First-In, First-Out), LIFO (Last-In, First-Out), and weighted average cost.