Module 6 Exam Flashcards
What is the musculoskeletal system composed of?
Striated muscle
How is the musculoskeletal system controlled?
Direct voluntary control from the brain
What is the part of the nervous system that controls the involuntary activities of the body such as the heart rate, blood pressure, and digestion of food?
Autonomic nervous system
How is skeletal muscle composed?
Striated muscle
What is atrophy usually caused by?
Muscular dystrophy
What is the fibrous material that attaches muscle to bone?
Tendons
What attaches bone to bone?
Ligaments
What structures are regulated by smooth muscle?
Autonomic structures
Give an example of an autonomic structure.
Blood vessels
A fracture is accurately defined as:
A break in the skeletal system, or in the continuity of the bone
What injury is known as a joint injury involving damage to supporting ligaments, and sometimes partial or temporary dislocation of bone end?
Sprain
What injury is known as stretching or tearing of a muscle?
Strain
Which of the following is an example of a direct injury?
a. A child dislocates an elbow after falling on an outstretched arm.
b. A person lands on his or feet and fractures the lumbar spine.
c. A skier dislocated his knee after twisting on an ankle.
d. A passenger fractures their patella after it strikes the dashboard.
a. A child dislocates an elbow after falling on an outstretched arm.
What is an open fracture most accurately defined as?
Any external wound that is present over a fracture site.
You arrive on scene and find a patient that appears to have a broken leg. How would you determine that the leg is actually broken?
Compare it to the other leg.
What are some signs that are indicative of crepitus and false motion?
A limb moving in a direction that it should not be moving in.
What is described as a grating or grinding sensation or sound caused by fractured bone ends or joints rubbing together?
Crepitus
What is convection?
Loss of body heat caused by air movement (eg, a breeze blowing across the body).
How do you lose heat through respiration?
By breathing in cold air and breathing out warm air.
What does shivering do?
Increasing metabolic rate
Why are kids more at risk for hypothermia than adults?
Larger surface area.