TRUELEARN 07 JAN 2019

Question 1

what is the most likely organism to be associated with a non-aneurysmal aortic infection?

Answer 1

salmonella

*staph are associated with aneurysmal

Question 2

what classifies a soft tissue sarcoma as stage IV?

Answer 2

lung met

Question 3

the colon absorbs ____________ and secretes ______________

Answer 3

• water, sodium, chloride

- potassium (70 mEq/L) , bicarb

Question 4

why is succinylcholine unsafe in spinal cord injury and burn patients?

Answer 4

these patients have increased receptors at the NMJ and are at higher risk of hyperkalemia

Question 5

chemotherapy is safe after what trimester?

Answer 5

first

Question 6

what is the treatment for entomoeba histolytica?

Answer 6

PO flagyl

Question 7

what is the most common cause of portal vein thrombosis in children?

Answer 7

umbilical vein infection

Question 8

what are the most important antigen presenting cell types?

Answer 8

dendritic

Question 9

what type of ulcer is associated with sliding hernias? what is the cause?

Answer 9

• cameron ulcer, found on the lesser curvature of the stomach
• due to mechanical trauma, ischemia, and peptic injury

Question 10

what is a marginal ulcer?

Answer 10

ulcer found at the gastrojejunostomy in patients who undergo gastric bypass surgery

Question 11

well defined mass with contrast enhancement during the arterial phase and rapid washout during portal phase?

Answer 11

hepatic adenoma

Question 12

well defined mass with peripheral to central enhancement on delayed imaging?

Answer 12

hepatic hemangioma

Question 13

well defined mass with internal septae, papillary projections, intratumoral hemorrhage, and fine calcifications?

Answer 13

benign hepatic cyst

Question 14

poorly defined mass located peripherally with low attenuation, area of central necrosis, and cystic degeneration?

Answer 14

metastatic hepatic lesion

Question 15

characteristics: hepatic adenoma

Answer 15

well defined mass with contrast enhancement during the arterial phase and rapid washout during portal phase

Question 16

characteristics: hepatic hemangioma

Answer 16

well defined mass with peripheral to central enhancement on delayed imaging

Question 17

characteristics: benign hepatic cyst

Answer 17

well defined mass with internal septae, papillary projections, intratumoral hemorrhage, and fine calcifications

Question 18

characteristics: metastatic hepatic lesion

Answer 18

poorly defined mass located peripherally with low attenuation, area of central necrosis, and cystic degeneration