A Major Advantage of Cohort Studies Over Case-Control Studies with Respect

question 3

Multiple Choice

A major advantage of cohort studies over case-control studies with respect to the role of a suspected factor in the etiology of a disease is that:

• A) they take less time and are less costly.
• B) they can utilize a more representative population.
• C) it is easier to obtain controls not exposed to the suspected factor.
• D) they permit direct determination of risk of disease in those exposed to the suspected factor.
• E) they can be done on a double-blind basis.

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Definitions:

Eyeball

The spherical organ of vision contained within the socket of the skull, comprising structures such as the cornea, lens, retina, and optic nerve.

Reticular Layer

The deeper layer of the dermis, composed of dense irregular connective tissue containing collagen and elastin fibers.

Hypodermis

The deepest layer of the skin, consisting of fat and connective tissues that insulate the body and protect underlying muscles and other structures.

Dermal Papilla

A small, nipple-like extension of the dermis into the hair follicle, containing capillaries that nourish the hair.