Ch.4&5 Quiz Sports injury management

The beginning of the acute inflammatory phase of healing involves processes which

Act to stop blood loss from the wound

True or False? A blister is an accumulation of fluid between the epidermis and the dermis.

True

Rubor, calor, tumor, dolor, and loss of function are all symptoms of

inflammation

True or False? Movements of flexion and extension occur in the sagittal plane.

True

The proliferative phase of healing includes which of the following processes? 1.phagocytosis 2.angiogenisis 3.fibrous tissue formation 4.wound contraction 5.decreased fibroblast activity

2, 3, and 4

True or False? By their nature or cause, many secondary injuries could have been prevented.

True

True or False? Collagen is a non-elastic substance, but the arrangement of collagen fibers allows for a certain amount of elastic-type deformation.

True

True or False? The causative factor of an acute injury is a single force.

True

True or False? The frontal plane divides the body into anterior and posterior halves.

True

Mast cells are connective tissue cells that carry

all of the above: heparin, histamine, bradykinin

Cells that are capable of generating collagen during the proliferative phase of healing are termed

fibroblasts

Hypoxia refers to the

the disruption of oxygen supply

Phagocytosis refers to

the ingestion of cellular debris and waste products

The tissues affected by inflammation, edema, and hypoxia comprises

the zone of secondary injury

Which of the following are characteristics of scar tissue? 1.elastic 2.fibrous 3.inelastic 4. vascular 5.nonvascular

2, 3, and 5

The tensile strength of a wound 3-4 weeks post-injury is approximately ___ % of normal.

25