Hi-yield most common Flashcards
Most common:
Site of disc herniation
L5-S1
-compressing S1 nerve root,
manifesting as dec. ankle jerk and sensation on posterior surface of lower limb and little toe
Most common:
site of spondylolysis
L4 or L5
Spondylolysis
- Scottie dog sign (neck of the dog)
- pars interarticularis
Most common:
Site of chance fracture (“seatbelt injury”)
L2, L3
Most common:
Site of chordomas
(malignant, midline, lobulated, mucoid tumors that arise from remnants of the embryonic notochord)
Sacral region
Most common:
Site of aspiration when a person is in a sitting or standing position
most commonly enters the right lower lobar bronchusand lodges within the posterior basal bronchopulmonary segment of the right lower lobe
Most common:
Site of aspiration when a person is in a supine position
Most commonly enters the right lower lobar bronchusand lodges within the superior bronchopulmonary segment of the right lower lobe
Most common:
Site of aspiration when a person is in lying on his right side
most commonly enters the right upper lobar bronchus and lodges within the posterior bronchopulmonary segment of the right upper lobe
Most common:
Site of aspiration when a person is in lying on his left side
most commonly enters the left upper lobar bronchus and lodges within the inferior lingular bronchopulmonary segment of the left upper lobe
Most common:
lung cancer in a nonsmoking history
Adenocarcinoma
Most common:
Type of lung cancer most closely associated with a smoking history
Squamous cell carcinoma
Most common:
lethal genetic disorder among whites
Cystic fibrosis
Most common:
congenital B-cell defect
Selective IgA deficiency
Most common:
Site of coronary artery occlusion
anterior interventricular artery (AIV)
a.k.a left anterior descending (LAD)
SECOND Most common:
Site of coronary artery occlusion
right coronary artery (RCA)
and then the left circumflex artery (LCx)
Most common:
site of a ruptured AAA
below the renal arteries in the left posterolateral wall (i.e., retroperitoneal)
Most common:
Site of malignant tumors of the esophagus
lower one third of the esophagus
and metastasize below the diaphragm to the celiac lymph nodes
Most common:
Site of gastric ulcers
body of the stomach along the lesser curvature above the incisura angularis
Most common:
Site of duodenal ulcer
anterior wall of the first part of the duodenum (i.e., at the duodenal cap)