Q. The ___________ is the outermost meninx, and forms supportive and protective partitions between some portions of the brain.
A. dura mater
B. arachnoid mater
C. pia mater
D. denticulate mater
Answer- dura mater
Q. In which portion of the spinal cord do the interneurons lie?
A. cervical enlargement
B. lumbar enlargement
C. gray matter
D. white matter
Answer- gray matter
Q. Which tract would be most likely to carry sensory impulses from the skin and joints to the brain?
A. fasciculus gracilis
B. corticospinal tracts
C. reticulospinal tracts
D. rubrospinal tracts
Answer- fasciculus gracilis
Q. The following statements all regard reflexes. Choose the statement that is incorrect.
A. Reflexes are automatic, subconscious responses.
B. Reflexes involve at least three neurons and all arc through the spinal cord.
C. The knee-jerk reflex is an example of a monosynaptic reflex.
D. Sometimes reflexes are carried out properly because of reciprocal innervation.
Answer- Reflexes involve at least three neurons and all arc through the spinal cord.
Q. The embryonic hindbrain gives rise to what structures in the brain?
A. cerebrum and basal ganglia
B. diencephalon
C. midbrain
D. cerebellum, pons, and medulla oblongata
Answer- cerebellum, pons, and medulla oblongata
Q. The portion of the brain involved in understanding speech and using words is located in the ____________ of the cerebrum.
A. frontal lobe
B. parietal lobe
C. occipital lobe
D. temporal lobe
Answer- parietal lobe
Q. When a person thinks and solves problems, which area of the cerebrum is involved?
A. frontal lobe
B. parietal lobe
C. occipital lobe
D. temporal lobe
Answer- frontal lobe
Q. Elderly nursing home residents are often called by their first names, rather than by their last names. Why is this the case?
A. Nursing homes are friendly places and residents like to be on a first-name basis with their caretakers.
B. First names are easier for caretakers to remember.
C. First names are stored in the residents' long-term memories and are remembered while last names are less likely recalled.
D. Elderly residents often remarry and change their last names; calling them by first names avoids confusion.
Answer- First names are stored in the residents' long-term memories and are remembered while last names are less likely recalled.
Q. The _________________ is a portion of the brain that maintains homeostasis by linking activities of the endocrine and nervous systems together.
A. thalamus
B. hypothalamus
C. infundibulum
D. mammillary body
Answer- hypothalamus
Q. Which of these nuclei is not located entirely within the medulla oblongata?
A. cardiac center
B. vasomotor center
C. respiratory center
D. reticular formation
Answer- reticular formation
Q. What kind of peripheral nerve fiber carries motor impulses outward to smooth muscles and glands of internal organs?
A. general somatic efferent fibers
B. general visceral efferent fibers
C. general somatic afferent fibers
D. general visceral afferent fibers
Answer- general visceral efferent fibers
Q. The smallest pair of cranial nerves that arise from the midbrain and carry motor impulses to the superior oblique muscles of the eye are the ______________ nerves.
A. trochlear
B. abducens
C. facial
D. optic
Answer- trochlear
Q. Which pair of cranial nerves are mixed nerves that supply the chest and abdomen with autonomic nerves?
A. trigeminal nerves
B. accessory nerves
C. vagus nerves
D. hypoglossal nerves
Answer- vagus nerves
Q. The parasympathetic division of the autonomic nervous system is characterized by each of these except which one?
A. Preganglionic fibers arise from the thoracic and lumbar regions of the spinal cord.
B. Terminal ganglia are located close to effector organs.
C. Preganglionic fibers are myelinated; postganglionic fibers are not.
D. Parasympathetic postganglionic fibers secrete acetylcholine.
Answer- Preganglionic fibers arise from the thoracic and lumbar regions of the spinal cord.
Q. Partial or complete inability to coordinate voluntary movements is also referred to as ___________.
A. aphasia
B. ataxia
C. apraxia
D. neuralgia
Answer- ataxia
Q. Which structures would not be innervated by the sympathetic nervous system?
A. skeletal muscle
B. glands
C. smooth muscle
D. cardiac muscle
Answer- skeletal muscle
Q. The connective tissue closest to the single neuron is the:
A. myelin sheath
B. perineurium
C. epineurium
D. endoneurium
Answer- endoneurium
Q. The cell body of all sensory neurons is located within the:
A. brain
B. spinal cord
C. dorsal root ganglion
D. dorsal gray horn
Answer- dorsal root ganglion
Q. What is the last region of a typical reflex arc?
A. dorsal horn
B. ventral root
C. ventral horn
D. dorsal root ganglion
Answer- ventral root
Q. Which term should be last in this reflex sequence?
A. sensory neuron
B. motor neuron
C. effector
D. receptor
Answer- effector
Q. Parkinson disease tremors are the result of which condition?
A. dopamine excess
B. norepinephrine deficiency
C. epinephrine excess
D. dopamine deficiency
Answer- dopamine deficiency
Q. The connection between the third and fourth ventricle is called the _____.
A. interventricular foramen
B. cerebral aqueduct
C. foramen of Monro
D. hypothalamus
Answer- cerebral aqueduct
Q. The vital centers are located within the _____ area of the brain.
A. hypothalamus
B. cerebral cortex
C. pons
D. medulla
Answer- medulla
Q. Breathing centers accessory to the medulla are located in which brain area?
A. cerebellum
B. pons
C. hypothalamus
D. midbrain
Answer- pons
Q. Where are visual and auditory reflexes centered?
A. medulla
B. pons
C. diencephalon
D. midbrain
Answer- midbrain
Q. Which brain area acts to regulate body temperature?
A. thalamus
B. cerebrum
C. hypothalamus
D. cerebellum
Answer- hypothalamus
Q. Which brain area acts to screen all incoming sensory data?
A. cerebral cortex
B. medulla
C. cerebellum
D. thalamus
Answer- thalamus
Q. Emotional responses and attitudes are associated with which brain area?
A. limbic system
B. hypothalamus
C. cerebellum
D. cerebrum
Answer- limbic system
Q. Which brain area coordinates skeletal muscle movements?
A. cerebrum
B. cerebellum
C. medulla
D. hypothalamus
Answer- cerebellum
Q. The cerebral hemispheres are connected by the _____.
A. longitudinal fissure
B. cortex
C. corpus callosum
D. brain stem
Answer- corpus callosum
Q. The term gray matter is used to describe the appearance of myelinated nerves.
A. TRUE
B. FALSE
C. Nothing can be said
D. None of the mentioned
Answer- FALSE
Q. Connections between nerves are mainly found within the central white matter portion of the spinal cord.
A. TRUE
B. FALSE
C. Nothing can be said
D. None of the mentioned
Answer- FALSE
Q. Persons are usually not aware that reflexes are occurring, because they are involuntary.
A. TRUE
B. FALSE
C. Nothing can be said
D. None of the mentioned
Answer- FALSE