PATHOPHYSIOLOGY 2 EDITION TEST
BANK 2026 ALL IN ONE STUDY PACK
DETAILED QUESTIONS AND SOLUTIONS
GRADED A+
⩥ Which of the 3 nervous systems is filled & surrounded w/ CSF?
Answer: CNS
⩥ What are the functions of the CNS?
Answer: - Receives/ process sensory info
- Create responses that are relayed to muscles & glands
- Coordinates emotion, cognition, memory, and learning
⩥ How is the CNS protected?
Answer: - CSF
- BBB
- Meninges
- Bony structures of the skull & vertebral column
⩥ Name the 3 layers of meninges (outer to inner):
,Answer: Dura mater, Arachnoid mater, and Pia mater
⩥ Where are the potential spaces that only become evident in the
presence of pathologic processes (epidural, subdural)?
Answer: The spaces b/t:
- The dura mater & skull
- The dura mater & arachnoid space
⩥ What are the factors that affect the permeability of BBB?
Answer: - Inflammation (Infection)
- Neovascularity (tumors have neo-vessels)
- Toxins
- Infants < 6 months, the BBB of their immature nervous system in more
permeable to substances
⩥ Where is the safest place to do a lumbar puncture?
Answer: L4-L5
⩥ What is CSF produced by?
Answer: Choroid plexus
⩥ Which ventricles is CSF produced in?
, Answer: 3rd ventricle & 2 lateral ventricles
⩥ What is the blood supply to the brain?
Answer: - Anterior circulation: Internal carotid arteries
- Posterior circulation: Vertebral arteries
⩥ An increased amount of CSF & an increased sized of ventricles leads
to what?
Answer: Hydrocephalus
⩥ Occipital lobe function:
Answer: Visual cortex
⩥ Parietal lobe function:
Answer: Somatosensory cortex
⩥ Frontal lobe function:
Answer: Motor cortex, prefrontal involved in complex thought, ethical
behavior, & morality
⩥ Temporal lobe functions:
Answer: - Hearing