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OFA 2 - Ch 2 Notes
Occupational First Aid Level 2 - Chapter Two Notes - Basic Anatomy
32
Medical
Professional
12/02/2012

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Term
7 Major Body Systems
Definition
Respiratory, Circulatory (Cardiovascular), Nervous, Digestive, Urinary, Genital, Musculoskeletal
Term
Midline
Definition
An imaginary vertical line drawn from the top of the head through the nose and the navel
Term
Lateral
Definition
All points further from the midline relative to a reference point
Term
Proximal
Definition
On a limb, towards the trunk of the body
Term
Superior
Definition
Above or toward the top of the head.
Term
Inferior
Definition
Below or toward the bottom of the feet
Term
Distal
Definition
On a limb, away from the trunk of the body
Term
Anterior
Definition
The front part of the body
Term
Posterior
Definition
The back part of the body
Term
What is the anatomical position
Definition
It is the reference position for the human body. It is the erect human body, facing the attendant, with the palms of the hands facing towards the attendant. Be aware that left and right refer to the patient's left and right, not the attendant's.
Term
Trunk
Definition
The torso of the body, including the chest, abdomen, and pelvis. The head and neck, arms, and legs are all attached to the trunk
Term
Supine
Definition
The patient is lying down on his or her back
Term
Prone
Definition
The patient is lying on his or her stomach
Term
Erect
Definition
The patient is standing upright
Term
Medial
Definition
All points closer to the midline relative to a reference point
Term
Primary Facial and Skull Bones
Definition
Mandible (lower jaw), Maxilla (upper jaw), Zygoma (cheek bone), Frontal (forehead and front of skull), Parietal (top and upper back of skull), Temporal (side of the skull), Occipatal (lower back of the skull)
Term
Structures of the neck
Definition
Airway, trachea, esophagus, carotid arteries, thyroid cartilage, larynx, thyroid gland, tracheal rings, sternoclediomastoid muscle, cervical vertebrae (the 7th is the most prominent).
Term
Thorax
Definition
Also called the chest, it contains the heart, lungs, esophagus, and great vessels. The thoracic cavity is formed posteriorly byt the 12 thoracic vertebrae. From the thoracic vertebrae, 12 pairs of ribs curve outward and around to the front, 10 pairs connect anteriorly to the sternum. Superiorly lie the clavicles, which connect the shoulders to the sternum. Posteriorly are the scapulae. Inferiorly, the thoracic cavity is seperated from the abdominal cavity by the diaphragm.
Term
Sternum
Definition
Superior end forms the suprasternal notch, which may be palpated. Inferiorly, the sternum ends with a narrow projection called the xiphoid process. The inferior border of the ribs may be palpated anteriorly as the costal margin. The free ends of the 11th and 12th ribs may be palpated in the soft tissue on the lateral aspects of the trunk.
Term
The Abdomen
Definition
Contains the organs of the digestive, urinary, and genital systems, as well as the spleen and major blood vessels. Bounded superiorly by the diaphragm, inferiorly by the pelvis. Posteriorly the lumbar vertebrae gives structural support. The pancres, kidneys, gladder, parts of the large intestine, and the major blood vessels, are all located posteriorly to the abdominal cavity, embedded in the soft tissue of the back, flanks, and pelvis respectively.
Term
Abdominal Quadrants
Definition
Delineated by the midline and a horizontal line through the umbilicus.
Term
Shoulder girdle composition
Definition
Clavicle anteriorly, scapula posteriorly, and the proximal end of the humerus. Clavicle is connected to the acromion on the scapula at the acromio-clavicular (AC) joint. Palpable as a bony prominence on the superior aspect of the shoulder.
Term
Arm composition
Definition
Humerus, distally connected to the ulna and radius at the elbow.
Term
Elbow composition
Definition
The bony processes of the distal humerus are palpable on the medial and lateral aspects of the elbow; they are the medial and lateral epicondyles. The posterior aspect of the elbow is the olecranon process, which forms the proximal end of the ulna. The ulna may be palpated along its entire course just beneath the skin on the posterior aspect of the forearm. A brachial pulse may be palpated on the anteromedial aspect of the elbow.
Term
Wrist composition
Definition
8 carpal bones (in two rows of four) that connect the ulna and radius to the thumb and the metacarpal bones of the hand.
Term
Hand composition
Definition
Made up of the palm, thumb, and four fingers. five metacarpals form the structural framework of the palm. the distal ends of the metacarpals are the knuckles. Each finger consists of three phalanges, the thumb has two.
Term
Upper extremity
Definition
Shoulder, upper arm, elbow, forearm, wrist and hand.
Term
Lower extremity
Definition
Consists of the hip, thigh, knee, calf, ankle, and foot.
Term
Hip composition
Definition
Formed by the articulation of the femur with the pelvis. A bony profection of the femur ( the greater trochanter) is palpable on the lateral aspect of the hip.
Term
Knee composition
Definition
The femur articulates with the tibia (the thicker and anterior of the two lower leg bones) to form the knee joint. The proximal end of the fubula, the thinner lower leg bone located lateral and parallel to the tibia, extends to the knee but does not form part of the joint. The patella is located on the anterior aspect of the knee
Term
Ankle composition
Definition
The distal end of the fibula is palpable at the ankle on its lateral aspect, and the distal end of the tibia is palpable on the ankle's medial aspect. The distal ends of the tibia and fibula articulate with the talus to form the ankle joint. Posterior to the medial prominence of the ankle the pulse of the posterior tibial artery can be felt.
Term
Foot composition
Definition
Made up of several tarsal bones (calcaneus(heel bone), talus, cuboid, navicular bone, lateral, intermediate, and medial cuneiform bones), metatarsal bones, and phalanges. Top of the foot is the dorsal aspect, while the sole is the plantar aspect. On the dorsal aspect, anterior to the ankle, the dorsalis pedis pulse may be palpable.
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