A Baby Born Without a Thymus

question 27

Multiple Choice

A baby born without a thymus:

• A) would not have an antibody mediated immune response.
• B) would not produce lymphocytes.
• C) would not produce immunocompetent T cells.
• D) will lack the ability to mount an immune response.
• E) will lack antigen presenting cells.

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Definitions:

Increasing-Cost Industry

An industry in which costs per unit of output increase as the scale of output is increased due to factors such as shortages of resources or higher input costs.

Long-Run Equilibrium

A state in economics where all factors of production and outputs are variable, allowing for the adjustment to changes in demand, supply, and prices, resulting in a situation where firms earn normal profit.

Increasing Cost Industry

An industry in which costs of production increase as firms enter the market, often due to limited resources or factors of production becoming more expensive.

Long-Run Supply Curve

A graphical representation that shows how the quantity supplied reacts to price changes in the long-term, accounting for all factors of production adjustments.