, Parietal
Occipital
Explanation: It is the prefrontal lobe that mediates several cognitive functions, including
vigilance, reasoning, and executive functions.
Question 3. Subarachnoid hemorrhage causes communicating hydrocephalus
by obstructing
the cerebrospinal fluid flow between the ventricles.
the cerebrospinal fluid flow into the subarachnoid space.
blood flow to the arachnoid villi.
the absorption of cerebrospinal fluid by the arachnoid villi.
Explanation: Hydrocephalus from impaired absorption outside the ventricles is
called communicating (extraventricular) hydrocephalus.
Question 4. Which description is consistent with a complex partial seizure?
, Alternative tonic and clonic movements
Consciousness is impaired as well as the ability to respond to
exogenous stimuli
Focal motor movement without loss of consciousness
One seizure followed by another in less than 1 minute
Explanation: A complex partial seizure results in impaired consciousness as well as
the inability to respond to exogenous stimuli.
Question 5. Which disease process is infratentorial?
Cerebellar neoplasm
Encephalitis
Parkinson disease
Cerebral neoplasm
Explanation: Examples of infratentorial disease process include compression of the
brainstem resulting from hematomas, hemorrhage, and aneurysm as well as