Reflexes function in
A. removing the body from painful stimuli.
B. keeping the body from falling.
C. maintaining blood pressure.
D. maintaining blood CO2 levels.
E. All of these choices are correct.
(
Question 2) The sensory receptor of the stretch reflex is the
A. Golgi tendon organ.
B. muscle spindle.
C. dorsal root ganglion.
D. collateral axon.
E. alpha motor neurons.
(
Question 3) What is found in the dorsal root ganglion?
A. The cell bodies of multipolar motor neurons.
B. The cell bodies of pseudo-unipolar sensory neurons.
C. The cell bodies of multipolar interneurons.
D. The cell bodies of bipolar sensory neurons.
(
Question 4) Reflex arcs
A. are capable of receiving a stimulus and yielding a response.
B. are the basic structural units of the nervous system.
C. occur primarily in the cerebral cortex of the brain.
D. involve inhibitory neurons.
E. do not involve the spinal cord.
(
Question 5) Structurally, the simplest reflex is the
A. stretch reflex.
B. Golgi tendon reflex.
C. reciprocal reflex.
D. alternating reflex.
E. withdrawal reflex.
(
Question 6) What is found the lateral gray horns of the spinal cord?
A. The cell bodies of somatic motor neurons.
B. The cell bodies of sensory neurons.
C. The cell bodies of autonomic motor neurons.
D. The cell bodies of somatic sensory neurons.
(
Question 7) The ventral root of a spinal nerve contains
A. only sensory fibers.
B. only motor fibers.
C. only afferent fibers.
D. both sensory and motor fibers.
E. a ganglion.
(
Question 8) What structure makes the dorsal root different from the ventral root?
A. The dorsal root has a ganglion.
B. The dorsal root has a tract.
C. The dorsal root has a nucleus.
D. The dorsal root appears the same as the ventral root.
(
Question 9) The sensory root of a spinal nerve is also referred to as
A. anterior root.
B. dorsal root.
C. efferent root.
D. ventral root.
E. lateral root.
(
Question 10) The motor root of a spinal nerve is also referred to as the
A. afferent root.
B. dorsal root.
C. posterior root.
D. ventral root.
E. sensory root.
Quick Reply
