Question

36) The fissure separates the two halves of the brain and is only visible from the surface of the brain. b. Central; dorsal c. Interhemispheric; superior d. Interhemispheric; inferior 37) The cerebral cortex is part of the thick and has layers that measure_ a. Forebrain; 6; 6 mm b. Forebrain; 6; 3 mm c. Midbrain; 6; 6 mm d. Midbrain; 6;3 mm 38) Infoldings of the cortex are referred to as a. Sulci b. Fissures C. d. A & B are correct 39) Cerebrospinal fluid flows through the a. Central nervous system b. Subarachnoid space of the brain and spinal cord c. Both of these d. None of these 40) In relationship to meningeal layers, the term "soft mother" translates to b. Pia mater c. Dura pater d. Arachnoid granulations 41) Which statement best describes the activity of the reticular activating system? a. Through ascending fiber tracts, this system is thought to mediate levels of arousal that relate to levels of b. It is a system that connects the cerebellum to the cerebrum and can modify output of the medulla c. It is a system that mediates autonomic, involuntary functions like sneezing, vomiting, respiration, heart d. It is a system that mediates the ability to perform skilled voluntary movement and balance. consciousness (sensory awareness), and through descending tracts can relay motor information oblongata. rate, and blood pressure 42) Which statement(s) reflects the commonalities of all sensory systems? a. Physical stimuli are transduced into neural impulses and relayed along ascending tracts to the cortex b. Efferent pathways may serve to modify the way receptors respond to stimuli, as well as atfoct c. Each d. All of the above where perception takes place ascending fiber tracts, thereby modifying what is perceived association cortices where our unified conscious experience is believed to take place sensory system relays information to a primary cortical region, which then relays information to

Answer 1

36. Correct Answer - C
The interhemispheric fissure, also knows as The longitudinal fissureseperates the two braon hemispheres.

37. Correct Answer - B
The cerebral cortex is a part of the forebrain and the average thikness is around 3mm.

38. Correct Answer - D
Sulci and fisssures are infolded, but Gyri is not infolded as it is a ridge.

39. Correct Answer - B
Th cerebrospinal fluid flows through the subarachnoid space.

40. Correct Answer - B
The pia mater is the iner layer is the softest.

41. Correct Answer - A
It regulates the sleep wake patters and levels of alertness.

42. Correct Answer - D
All of them are common to all sensory systems.