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ABSITE EXAM REVIEW 2024 QUESTIONS AND ANSWERS
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ABSITE EXAM REVIEW 2024 QUESTIONS AND ANSWERS
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ABSITE EXAM REVIEWWhat is the anatomic landmark to distinguish between the anterior and posterior
segments of the right lobe of the liver? - ANSWERS-R portal vein
What is the anatomical landmark for distinguishing between the medial and
lateral segments of the left lobe of the liver? - ANSWERS-round ligament at the
umbilical fissure
If you have a posterior dislocation of the hip, what are you most likely to injure? -
ANSWERS-sciatic nerve (peroneal division) injury
If you have a supracondylar humerus fx, what are you most likely to injure? -
ANSWERS-brachial artery (may lead to Volkmann's ischemic contracture
If you have an anterior dislocation of the shoulder, what are you most likely to
injure? - ANSWERS-axillary nerve
Where does thyroid cancer tend to mets to? - ANSWERS-lung, liver and bones
What primary cancers can spread to adrenal? - ANSWERS--lung (most common)
-GI tract, breast, kidney, pancreas, skin (melanoma)
,How do you differentiate on the surface between the L and R lobes of the liver? -
ANSWERS-called the midplane of the liver or Cantlie line, divided by the middle
hepatic vein that extends from gallbladder fossa to IVC
If you have a distal radius fracture, what are you most likely to injure? -
ANSWERS-median nerve compression/injury
If you have a posterior dislocation of the knee, what are you most likely to injure?
- ANSWERS-popliteal artery injury
What type of melanoma has the best prognosis? - ANSWERS-lentigo maligna
melanoma, often in sun-exposed elderly, slow growth
What type of melanoma has the worst prognosis? - ANSWERS-nodular melanoma-
early vertical growth
What does the Pringle maneuver clamp?
If that doesn't control bleeding, where might your bleeding be still coming from? -
ANSWERS--Pringle: hepatic artery, portal vein
-if not: retrohepatic IVC or hepatic vein
For facial nerve injuries, how do you proceed if the injury is:
-medial to the lateral canthus of the eye?
,-lateral? - ANSWERS--medial: facial nerve will likely recover without operative
intervention, just observe
-lateral: surgical exploration necessary within 72h of injury to reapproximate
epineural layers vs nerve interposition graft
CCK:
-where is it produced?
-what things stimulate its release?
-what does it do? - ANSWERS--produced by I-cells of duodenum and jejunum
-released after ingestion of fat, protein, and amino acids
-inhibits proximal gastric motility and increases antral/pyloric contraction (inhibits
gastric emptying), relaxes sphincter of Oddi, stimulates gallbladder contraction,
stimulates pancreatic secretions
manifestations of zinc deficiency - ANSWERS-failure to thrive, poor wound
healing, skin rash
manifestations of selenium deficiency - ANSWERS-cardiomyopathy, hypothyroid,
neurologic changes
manifestations of chromium deficiency - ANSWERS-hyperglycemia, confusion,
peripheral neuropathy
, manifestations of copper deficiency - ANSWERS-pancytopenia, myelopathy
(neuropathy with ataxia)
What does IL-1 do? - ANSWERS-acts on hypothalamus to cause fever
What does IL-2 do? - ANSWERS-promotes T-lymphocyte proliferation and Ig
production
What does IL-4 do? - ANSWERS-stimulates T-cell differentiation and B-cell
activation
What does TNF-a do? - ANSWERS--made in macrophages, monocytes, and T-cells
-released in response to injury or infection
-can cause development of cachexia by increasing catabolism and insulin
resistance
What is the most common cause of death in someone with FAP that already had
proper surgical resection? - ANSWERS--duodenal cancer. Must get upper
endoscopies starting age 20-25 or when colonic polyps first appear
-brain cancer also seen, but less common
What disease is associated with Hirschsprung's?
With meconium ileus? - ANSWERS--Hirschsprung: Down syndrome
-meconium ileus: Cystic Fibrosis
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