Ceiling Joists Are Sometimes Brought into Alignment with the Installation

question 7

Multiple Choice

Ceiling joists are sometimes brought into alignment with the installation of a ____ across the tops of the joists near the center of the span.

• A) ridge board
• B) rafter
• C) strongback
• D) collar tie

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Definitions:

Sedimentation Rate

A blood test that measures how quickly red blood cells settle at the bottom of a test tube, indicating the presence of inflammation in the body.

Fibrin

A fibrous, non-globular protein involved in the clotting of blood, formed by the action of the enzyme thrombin on fibrinogen.

Leukapheresis

A medical procedure that involves the separation and removal of white blood cells from the blood.

Erythrocyte Sedimentation Rate (ESR)

A blood test that measures how quickly erythrocytes (red blood cells) settle at the bottom of a test tube that contains a blood sample.