Mixed 24

Question 1

This drug binds fibrin in a thrombus and converts entraped plasminogen in plasmin, which hydrolizes fibrin bonds causing clot lysis

Answer 1

Ateplase, tenecteplase (fibrinolytics)

Question 2

Gram + cocci catalase -, with gamma hemolysis (no hemolysis) and PYR + . Unable to convert nitrates in nitrites

Answer 2

Enterococci

Question 3

In this observational study, exposure and outcome are measured simultaneously at a particular point in time (snapshot study). Measures disease prevalence and associations but no causality

Answer 3

Cross-sectional study

Question 4

Which syndrome results from chromosome 22q11.2 microdeletion

Answer 4

DiGeorge syndrome

Question 5

Visual pathway of left temporal hemiretina

Answer 5

Nasal visual field left eye → left temporal hemiretina → left optic nerve → lateral aspect of optic chiasm → joins visual signal from right nasal hemiretina → left optic tract → left lateral geniculate body in thalamus → left optic radiations → left primary visual cortex