As we wage, when does brain mass begin to decline?

As we wage, when does brain mass begin to decline?

A) early childhood
B) over the age of 80
C) early adulthood
D) over the age of 50


Answer: C

Damage to which of these cranial nerves would cause a person to have difficulty seeing objects close to her face?

Damage to which of these cranial nerves would cause a person to have difficulty seeing objects close to her face?

A) abducens
B) trochlear
C) oculomotor
D) optic


Answer: C

The lining of the ventricles develops from the

The lining of the ventricles develops from the

A) marginal layer cells
B) neural crest
C) ependymal layer cells
D) mantle layer cells


Answer: C

If a person is experiencing difficulties smiling, he may have damage in which cranial nerve?

If a person is experiencing difficulties smiling, he may have damage in which cranial nerve?

A) oculomotor
B) facial
C) trigeminal
D) accessory


Answer: B