Anatomy Ch 7 Quiz 6.1
.
- 1.Support cells in the central nervous system are collectively called ________.
- A.
Neuroglia
- B.
Microglia
- C.
Oligodendrocytes
- D.
Myelin sheaths
- 2.Control of temperature, endocrine activity, metabolism, and thirst are functions associated with the ________.
- A.
Cerebrum
- B.
Cerebellum
- C.
Hypothalamus
- D.
Medulla oblongata
- E.
Thalamus
- 3.The neuron processes that normally receive incoming stimuli are called ________.
- A.
Schwanna cells
- B.
Dendrites
- C.
Neurolemmas
- D.
Axons
- E.
Satellite cells
- 4.The term central nervous system refers to the ________.
- A.
Spinal cord and spinal nerves
- B.
Brain, spinal cord, and cranial nerves
- C.
Brain and spinal cord
- D.
Autonomic and peripheral nervous systems
- E.
Brain and cranial nerves
- 5.Loss of muscle coordination results from damage to the ________.
- A.
Thalamus
- B.
Cerebellum
- C.
Hypothalamus
- D.
Midbrain
- E.
Cerebrum
- 6.What part of the brain stem houses reflex centers for vision and hearing?
- A.
Reticular formation
- B.
Fourth ventricle
- C.
Pons
- D.
corpora quadrigemina
- E.
Medulla oblongata
- 7.Fibers that carry information from the skin, joints, and skeletal muscles to the central nervous system are ________.
- A.
Visceral sensory
- B.
Somatic sensory
- C.
Motor
- D.
Parasympathetic
- E.
interneurons (association neurons)
- 8.Cerebrospinal fluid is reabsorbed into venous blood in the dural sinuses via the ________.
- A.
Choroid plexus
- B.
Cerebral aqueduct
- C.
Pons
- D.
Arachnoid villus
- E.
Hypothalamus
- 9.Nerve impulse transmissions occurring along myelinated neurons are called ________.
- A.
Sodium-potassium pump
- B.
Threshold
- C.
Graded potential
- D.
Saltatory conduction
- E.
All-or-none response
- 10.Which one of the following is the correct sequence in connective tissue sheaths, going from outermost to innermost layer?
- A.
Endoneurium, epineurium, perineurium
- B.
Epineurium, perineurium, endoneurium
- C.
Perineurium, endoneurium, epineurium
- D.
Perineurium, epineurium, endoneurium
- E.
Epineurium, endoneurium, perineurium
- 11.Sally has a brain injury; she knows what she wants to say but can't vocalize the words. The part of her brain that deals with the ability to speak is the ________.
- A.
Broca's area
- B.
Longitudinal fissure
- C.
Central sulcus
- D.
Gyrus
- E.
Primary motor area
- 12.Myelinated fibers (tracts) form ________ matter while unmyelinated fibers form ________ matter.
- A.
White; gray
- B.
Gray; white
- C.
Sensory; motor
- D.
Motor; sensory
- 13.The two major functional properties of neurons are ________.
- A.
Contraction and movements
- B.
irritability and conductivity
- C.
Connect and protect
- D.
Cover and line body surfaces
- E.
Lubricate and secrete
- 14.Cell bodies of the sensory neurons of the spinal nerves are located in ________.
- A.
The hypothalamus
- B.
The ventral root ganglia of the spinal cord
- C.
The dorsal root ganglia of the spinal cord
- D.
The thalamus
- E.
Sympathetic ganglia
- 15.The sensory homunculus is located in the primary somatic sensory area in the ________.
- A.
Occipital lobe
- B.
Cerebellum
- C.
Parietal lobe
- D.
Frontal lobe
- E.
Temporal lobe
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