Neural Integration I: Sensory Pathways and the Somatic Nervous System Martini. Fundamentals of Anatomy & Physiology, 8th Edition. Pearson Learning Solutions
College: Second year
The primary sensory cortex of the cerebral hemispheres or areas of the cerebellar hemispheres receive:
Visceral sensory information is distributed primarily to reflex centers in the:
The efferent division of the nervous system that includes nuclei, motor tracts, and motor neurons controls:
Judith is receiving messages in her brain from baroreceptors in the stomach, chemoreceptors detecting Po2 levels in the blood, and tactile receptors in the skin. All this information must be transmitted in what type of format to be detected by the CNS?
Free nerve endings can be stimulated by many different stimuli because they exhibit little:
Amyotrophic lateral sclerosis (ALS) is a degenerative disorder that affects:
Nociceptors, common in the skin, in joint capsules, and around the walls of blood vessels, are sensory receptors for:
Which of the following receptors are stimulated when a stiff breeze blows across the skin of your arm and moves some of the hairs?
Thermoreceptors are phasic receptors because they are:
Chemoreceptors in the medulla oblongata would be sensitive to changes in pH and Pco2 in:
The three major somatic sensory pathways are the:
The reason the sensory homunculus appears distorted in the face and hands is:
Ruffini corpuscles and Golgi tendon organs are similar in their:
The integrative activities performed by neurons in the cerebellar cortex and cerebellar nuclei are essential to the:
A sensory first-order neuron traveling along the posterior column pathway from the arm would synapse in the:
The upper motor neuron of a somatic motor pathway has a cell body that lies in:
The three integrated pathways controlling conscious and subconscious motor commands in skeletal muscle are the:
The motor tracts in the spinal cord controlling subconscious regulation of balance and muscle tone are the:
The background patterns of movement involved in voluntary motor activities are controlled by:
The center of somatic motor control that plans and initiates voluntary motor activity is the:
The center of somatic motor control that controls basic respiratory reflexes is the:
If a tract name begins with spino-, it must start in the:
If the name of a tract ends in -spinal, its axons must:
The posterior column pathway receives sensations associated with:
In the thalamus, data arriving over the posterior column pathway are integrated, sorted, and projected to the
If a sensation arrives at the wrong part of the sensory cortex, you will:
If the central cortex were damaged or the projection fibers cut, a person would be able to detect light touch but would be unable to determine:
The spinothalamic pathway relays impulses associated with:
The spinocerebellar pathway carries information concerning the:
Voluntary and involuntary somatic motor commands issued by the brain reach peripheral targets by traveling over the:
The reticulospinal tract is involved with regulation of:
An individual whose primary motor cortex has been destroyed retains the ability to walk and maintain balance but the movements:
The basal nuclei contain two populations of neurons, one releasing ACh and the other releasing GABA. ACh would have a(n) ____ effect on the neurons they synapse with, while GABA would have a(n) ______ effect.
When someone touches a hot stove, the rapid, automatic, preprogrammed response that preserves homeostasis is provided by the:
Which part of the brain is responsible for the highest level of motor command in terms of complexity and voluntary motion?
An individual who can understand language and knows how to respond but lacks the motor control necessary to produce the right combinations of sounds has:
If connections between the prefrontal cortex and other brain regions are severed:
A person demonstrating anesthesia in a given area would lose:
a. sensation of pressure
b. sensation of touch
c. sensitivity to pain and temperature
An individual would lose two-point discrimination at 3–5 mm on which region(s) of the body?
Which of the following correctly defines referred pain?