FREE ANATOMY AND STUDY GAMES ABOUT

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FREE ANATOMY AND STUDY GAMES ABOUT

BIO201-CH12-C.NERVSY EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -153 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: __ activity is depressed during sleep, but not __ functions.

Answer:

Cortical activity - brainstem

Question 2: Sensory neurons

Answer:

Collect & relay info about stimuli to spinal cord & brain.

Question 3: Limbic System

Answer:

Governs emotions & "gut" reactions like rage.

Question 4: Reticular Formation

Answer:

Loosely clustered neurons - extend length of brain stem - maintains alert wakefulness, muscle coordination - RAS

Question 5: Anterior association area

Answer:

Frontal lobe - prefrontal cortex - most complicated cognition, recall & personality. Develops slowly - maturity.

Question 6: Medulla Oblongata

Answer:

Inferior part of brain stem - autonomic reflex center - cardiac, respiratory, vomiting, swallowing, sneezing, etc.

Question 7: Absense seizures

Answer:

Petit Mal - mild seizures - face goes blank.

Question 8: ischemia

Answer:

Deprivation of blood supply to a tissue.

Question 9: In the awake state, alertness of cerebral is mediated by the __.

Answer:

RAS

Question 10: CFS (cerebrospinal fluid) formed from __.

Answer:

The choroid plexuses that hang from roof of each ventricle.

Question 11: Hypothalamus

Answer:

The body's supercenter for controlling homeostatic adjustments in internal organs.

Question 12: Most important blood-brain barriers?

Answer:

Tight junctions between capillary endothelial cells thatmake them the least permeable capillaries in body.

Question 13: The brain forms __ & spinal cord develops from __ portion of neural tube.

Answer:

Anteriorly (rostrally) - caudal (posterior)

Question 14: Thalamus

Answer:

Info from body is sorted out & relayed to cortex - mediates sensation, motor activities, cortical arousal, learning & memory - contains lg. # of nuclei.

Question 15: __ pairs of spinal nerves attach to cord by paired roots.

Answer:

31

Question 16: Filum terminale

Answer:

Anchors spinal cord to coccyx.

Question 17: In coma oxygen use is always __ normal.

Answer:

Below

Question 18: Cerebrospinal fluid reduces brain weight by __.

Answer:

97% - by floating it.

Question 19: Lesions of the RAS nuclei result in __.

Answer:

Unconsciousness

Question 20: Conscious mind is found in the __.

Answer:

Cerebral Cortex

Question 21: The elevated ridges of cerebral hemisphere are the __ & the shallow grooves __.Deeper groves are __.

Answer:

Gyri, sulci, fissures.

Question 22: The __ differentiates rapidly by the 4th week into the CNS

Answer:

Neural Tube

Question 23: The spinal cord typically ends between __.

Answer:

L1 & L2

Question 24: Arachnoid Mater

Answer:

Forms a loose brain covering.

Question 25: Cerebral Aqueduct

Answer:

Canal-like structure linking 3rd & 4th ventricle.

Question 26: Spacial discrimination

Answer:

Rec. info from proprioceptros (position sense receptors) & identifying body region being stimulated.

Question 27: Cerebrovascular accidents (CVAs) also are called?

Answer:

Strokes

Question 28: 2 regions that are critically important for language.

Answer:

Broca's & Wernicke's area.