Nervous System (Multiple Choice Questions)
E - /nThe vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the:
A) hypothalamus B) pons
C) cerebrum
D) midbrain
E) medulla oblongata
A - /nImmediately after an action potential is propagated, which one of the following ions
rapidly diffuses out of the cell into the tissue fluid:
A) potassium B) calcium C) sodium
D) chloride
E) magnesium
B - /nThe blood-brain barrier is effective against the passage of: A) nutrients such as glucose
B) metabolic waste such as urea C) water
D) anesthetics
E) alcohol
A - /nThe sympathetic and parasympathetic nervous systems are subdivisions of the: A)
autonomic nervous system
B) voluntary nervous system C) somatic nervous system D) central nervous system
E) peripheral nervous system
E - /nAn action potential:
A) involves the outflux of negative ions to depolarize the membrane
B) involves the influx of negative ions to depolarize the membrane C) is initiated by potassium ion movements
D) involves the outflux of positive ions to depolarize the membrane E) is essential for nerve impulse propagation
A - /nCell bodies of the sensory neurons of the spinal nerves are located in: A) the dorsal root ganglia of the spinal cord
B) the thalamus
C) the hypothalamus
D) the ventral root ganglia of the spinal cord E) sympathetic ganglia
B - /n7) The effects of the sympathetic nervous system are essentially opposite of the: A) motor division
B) parasympathetic nervous system C) sensory division
D) central nervous system
E) autonomic nervous system
A - /nCerebrospinal fluid circulates through all of the following except: A) corpus callosum
B) lateral ventricles
C) fourth ventricle
D) cerebral aqueduct E) subarachnoid space
B - /nSally has a brain injury; she knows what she wants to say but can t vocalize the ʹ
words. The part of her brain that deals with the ability to speak is the:
A) central sulcus
B) Broca s area ʹ
C) primary motor area
D) longitudinal fissure E) gyrus
A - /nWhich of these cells are not a type of neuroglia found in the CNS: A) Schwann cells
B) oligodendrocytes C) ependymal cells D) astrocytes
E) microglia
D - /n17) The elevated ridges of tissue on the surface of the cerebral hemispheres are known as __________ while the shallow grooves are termed __________.
A) sulci; gyri
B) tracts; ganglia C) ganglia; gyri
D) gyri; sulci
E) receptors; effectors
C - /nAn action potential is caused by an influx of these ions into the cell: A) both potassium and sodium
B) potassium C) sodium
D) magnesium E) calcium
A - /nThe function of the olfactory nerve concerns: A) smell
B) chewing
C) vision
D) eye movement E) hearing
B - /nThe gap between two communicating neurons is termed: A) node of Ranvier
B) synaptic cleft C) effector
D) cell body
E - /nThe vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the:
A) hypothalamus B) pons
C) cerebrum
D) midbrain
E) medulla oblongata
A - /nImmediately after an action potential is propagated, which one of the following ions
rapidly diffuses out of the cell into the tissue fluid:
A) potassium B) calcium C) sodium
D) chloride
E) magnesium
B - /nThe blood-brain barrier is effective against the passage of: A) nutrients such as glucose
B) metabolic waste such as urea C) water
D) anesthetics
E) alcohol
A - /nThe sympathetic and parasympathetic nervous systems are subdivisions of the: A)
autonomic nervous system
B) voluntary nervous system C) somatic nervous system D) central nervous system
E) peripheral nervous system
E - /nAn action potential:
A) involves the outflux of negative ions to depolarize the membrane
B) involves the influx of negative ions to depolarize the membrane C) is initiated by potassium ion movements
D) involves the outflux of positive ions to depolarize the membrane E) is essential for nerve impulse propagation
A - /nCell bodies of the sensory neurons of the spinal nerves are located in: A) the dorsal root ganglia of the spinal cord
B) the thalamus
C) the hypothalamus
D) the ventral root ganglia of the spinal cord E) sympathetic ganglia
B - /n7) The effects of the sympathetic nervous system are essentially opposite of the: A) motor division
B) parasympathetic nervous system C) sensory division
D) central nervous system
E) autonomic nervous system
A - /nCerebrospinal fluid circulates through all of the following except: A) corpus callosum
B) lateral ventricles
C) fourth ventricle
D) cerebral aqueduct E) subarachnoid space
B - /nSally has a brain injury; she knows what she wants to say but can t vocalize the ʹ
words. The part of her brain that deals with the ability to speak is the:
A) central sulcus
B) Broca s area ʹ
C) primary motor area
D) longitudinal fissure E) gyrus
A - /nWhich of these cells are not a type of neuroglia found in the CNS: A) Schwann cells
B) oligodendrocytes C) ependymal cells D) astrocytes
E) microglia
D - /n17) The elevated ridges of tissue on the surface of the cerebral hemispheres are known as __________ while the shallow grooves are termed __________.
A) sulci; gyri
B) tracts; ganglia C) ganglia; gyri
D) gyri; sulci
E) receptors; effectors
C - /nAn action potential is caused by an influx of these ions into the cell: A) both potassium and sodium
B) potassium C) sodium
D) magnesium E) calcium
A - /nThe function of the olfactory nerve concerns: A) smell
B) chewing
C) vision
D) eye movement E) hearing
B - /nThe gap between two communicating neurons is termed: A) node of Ranvier
B) synaptic cleft C) effector
D) cell body
