Cranial nerve palsies

Cranial nerve palsies, cerebellar signs of ataxia of gait or limbs, tremor, or dysarthria suggest a lesion in which structure?

A. cerebrum
B. brain stem
C. basal ganglia
D. spinal cord

An acute hemarthrosis of the knee within 12 hours of trauma is indicative of?

A. meniscus tear
B. medial collateral ligament sprain
C. anterior cruciate ligament tear
D. patellofemoral sprain

In exercise which among the following does not get full
blood supply?
a Kidney
b Skin
c Brain
d Heart
e Skeletal muscles