QUESTIONS WITH RIGHT ACTUAL ANSWERS .
Passenger safety mechanism - correct Answers -
Complications of serious head trauma - correct Answers -Subdural hematoma
Epidural hematoma
Intracerebral hemorrhage
Subarachnoid hemorrhage
Layers of skin - correct Answers -Epidermis- outer layer, tough
Dermis- inner layer, contains hair follicles, sweat glands and sebaceous glands
Subcutaneous tissue
Systemic vs Pulmonary vessel circuit - correct Answers -systemic- moves blood between the
heart and rest of the body
pulmonary- moves blood between the heart and lungs
Body parts and length of oxygen loss - correct Answers -1. The brain and spinal cord may last 4
to 6 minutes without perfusion.
2. The lungs can survive only 15-20 minutes without perfusion.
3. Kidneys may survive 45 minutes.
4. Skeletal muscles may last 2-3 hours.
5. The gastrointestinal tract can tolerate slightly longer periods.
6. Times are based on a normal body temperature (98.6°F [37.0°C]).
a. Colder temperatures will lengthen survival times.
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, Anatomy of the skin - correct Answers -1. The skin has two principal layers: the epidermis and
the dermis.
a. The epidermis is the tough, external layer that forms a watertight covering for the body.
i. The epidermis is composed of several layers.
b. The dermis is the inner layer of the skin.
i. It contains hair follicles, sweat glands, and sebaceous glands.
ii. Blood vessels in the dermis provide the skin with nutrients and oxygen.
2. Skin covers all the external surfaces of the body.
a. The various openings in the body are lined with mucous membranes.
i. Mucous membranes provide a protective barrier against bacterial invasion.
ii. They secrete a watery substance that lubricates the openings.
iii. They are moist, whereas skin is generally dry.
figure 26-1 page 906
Nervous system anatomy - correct Answers -Central and Peripheral nervous system
pg 981-983
B. Central nervous system (CNS)
1. Includes the brain and spinal cord
2. The brain controls the body and is the center of consciousness.
3. The brain is divided into three major areas:
a. Cerebrum
b. Cerebellum
c. Brainstem
4. The cerebrum controls a wide variety of activities, including most voluntary motor function
and conscious thought.
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