Essays Unit 3

Question 1

What is a shoulder separation injury?

Answer 1

This occurs between the acromioclavicular joint and the coracoclavicular joint. In a shoulder separation, our ligaments will break usually due to a downwards force on the acromion. It is very severe when the \ ligaments tear as well

Question 2

What is a glenohumeral dislocation?

Answer 2

This is when the humerus head slides out of the glenoid cavity and dislocates anteriorly. This can affect tendons of rotator cuff, and there is a risk of repeated dislocations.

Question 3

What is a Radialhead dislocation?

Answer 3

This is when the radial head dislocates and typically occurs if the lower arm is pulled forcefully. The radial head slips out of the annular ligament.

Question 4

What is a broken hip?

Answer 4

This is when the femur neck breaks, due to a thin periosteum. This can be dangerous because there is low regeneration

Question 5

What is a Terrible triad injury?

Answer 5

This is when there is a lateral blow to the knee and can tear either the medial collateral ligament, the medial meniscus, or the anterior cruciate ligament.

Question 6

ACL injury is when

Answer 6

the anterior cruciate ligament tears due to sudden twist motions

Question 7

What is the differences between male and female pelvis

Answer 7

Males have an overall tall and narrow pelvis, oval shaped obturator forame, deeper false pelvis, and their pubic arch is less than 90 degrees
Females have an overall short and wide pelvis, triangle shaped obturator foramen, shallow false pelvis, and their pubic arch is over 100 degrees

Question 8

Tracing for lymph from right arm to heart

Answer 8

Tissue (Interstitial fluid) → Lymphatic capillaries → Lymphatic vessels → Lymph nodes → Lymphatic vessels → (Lymph may enter nodes before continuing) → Right lymphatic duct → right subclavian vein → heart

Question 9

Tracing for lymph from left arm to heart

Answer 9

tissue, lymphatic capillaries, lymphatic vessels, lymphatic nodes, lymphatic vessels, left lymphatic duct, left subclavian vein, heart

Question 10

Tracing for lymph from left lower body to heart

Answer 10

tissue, lymphatic capillaries, lymphatic vessels, lymphatic nodes, lymphatic vessels, cisterna chyli, thoracic duct,, left lymphatic duct left subclavian vein, heart

Question 11

Fetal circulation while skipping right side of heart

Answer 11

placenta - umbilical vein- liver containing ductus venosus - IVC - right atrium - foramen ovale- left atrium - left ventricle- aorta- body - umbilical artery - placenta

Question 12

Fetal circulation while skipping left side of heart

Answer 12

placenta- umbilical vein- liver containing ductus venosus- ivc- right atrium - right ventricle - pulmonary artery- ductus arteriosus - aorta- body - umbilical artery - placenta

Question 13

Difference between elastic arteries and muscular arteries?

Answer 13

Elastic: these have more elastic fibers than muscular arteries and they carry blood away from the heart
Muscular: tese have more smooth muscle and they carry blood to msucles and internal organs