A%P

The sympathetic chain is composed of collateral ganglia.

Splanchnic nerves are mixed motor and sensory nerves.
True False

Thermoregulatory responses to increased heat are mediated by the sympathetic nervous division.

Problems in balance may follow trauma to which nerve?

Which of the following is not a midbrain structure?

Reflexes are rapid, automatic responses to stimuli.

In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier.

What are the levers that operate at a mechanical advantage called?

Meningitis is the most accurate term for inflammation of neurons.

The blood-brain barrier is effective against ________.

The second cranial nerve forms a chiasma at the base of the brain for partial crossover of neural fibers.

The dorsal ramus consists only of motor fibers bringing information to the spinal cord.

Mixed cranial nerves containing both motor and sensory fibers include all except which of the following?

Cell bodies of the somatic motor neurons of the spinal nerves are located in the ventral horn of the spinal cord.

The musculocutaneous nerve is a major nerve of the brachial plexus.

In the somatosensory system there are no third-order neurons in the cerebellum.

Which of the following is true about the movement of ions across excitable living membranes?

Efferent nerve fibers may be described as motor nerve fibers.

Tennis players often complain about pain in the arm (forearm) that swings the racquet. What muscle is usually strained under these conditions?

The meningeal branch of a spinal nerve actually reenters the vertebral canal to innervate the meninges and blood vessels.

Eccentric contractions are more forceful than concentric contractions.

Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte.

The chewing muscle covering the ramus of the mandible is the buccinator.

The celiac ganglion is primarily associated with the sympathetic division.

What do the geniohyoid, hyoglossus, and stylohyoid muscles have in common?

Which of the following is the correct sequence of events for muscle contractions?

Where would you not find an autonomic ganglion?

Select the statement that is most correct.

The adult spinal cord ends between L1 and L2.

Neurons in the CNS are organized into functional groups.

The oligodendrocytes can myelinate several axons.

First-class levers ________.

The biceps brachii inserts on the radius.

Although all skeletal muscles have different shapes, the fascicle arrangement of each muscle is exactly the same.

Both first- and second-class levers operate at a mechanical disadvantage.

During vigorous exercise, there may be insufficient oxygen available to completely break down pyruvic acid for energy. As a result, the pyruvic acid is converted to ________.

The smooth muscle of the digestive viscera is served largely by the ________.

Paralysis of which of the following would make an individual unable to flex the thigh?

The route of major parasympathetic outflow from the head is via the ________.

Transduction refers to conversion of ________.

Strong stimuli cause the amplitude of action potentials generated to increase.

The only cranial nerves to extend beyond the head and neck region are the vagus nerves.

The main effect of the warm-up period of athletes, as the muscle contractions increase in strength, is to ________.

Enkephalins and endorphins are peptides that act like morphine.

Regardless of type, all levers follow the same basic principle: effort farther than load from fulcrum = mechanical advantage; effort nearer than load to fulcrum = mechanical disadvantage.

A contraction in which the muscle does not shorten but its tension increases is called isometric.

Which part of the cerebral cortex is involved in intellect, cognition, recall, and personality?

The cranial nerves that have neural connections with the tongue include all except the ________.

A pair of tweezers is a good example of a second-class lever.

Emotions influence autonomic reactions primarily through integration in the ________.

In an isotonic contraction, the muscle ________.

Which muscles is (are) contracted to exhale forcibly?

Which of the following is not part of the basal nuclei?

A motor neuron and all the muscle cells that it stimulates are referred to as a motor end plate.

Peristalsis is characteristic of smooth muscle.

All of the following are structures of the limbic system except the ________.

The possibility of some control over autonomic responses is demonstrated by ________.

Petit mal seizures found in children generally go away with age.

Muscles are only able to pull, they never push.

The force of muscle contraction is controlled by multiple motor unit summation or recruitment.

The corpora quadrigemina superior colliculi are visual reflex centers, whereas the inferior colliculi are auditory reflex centers.

The autonomic nervous system may cause activation or inhibition, depending on the division that is active and the target that is affected.

The gray rami communicantes consist of myelinated postganglionic fibers.

The process of linking new facts with old facts already stored in the memory bank is called ________.

The flexor muscles in the anterior arm (biceps brachii and brachialis) are innervated by what nerve?

In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? The interior is ________.

Adductor magnus, adductor longus, and adductor brevis are parts of a large muscle mass of the ________.

During isotonic contraction, the heavier the load, the faster the velocity of contraction.

The thin filaments (actin) contain a polypeptide subunit G actin that bears active sites for myosin attachment.

There are 41 pairs of spinal nerves.

Sympathetic division stimulation causes ________.

Parasympathetic functions include ________.

The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place.

Which category of memory is involved when playing the piano?

Specific motor and sensory functions are localized in specific areas called domains, whereas memory and language have overlapping domains.

The warm-up period required of athletes in order to bring their muscles to peak performance is called ________.

Because the ANS is a visceral motor system, afferent pathways are of no importance and actually are rarely found.

Which of the following is not true of graded potentials?

Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system.

The glossopharyngeal nerve is the only cranial nerve that contains sensory fibers.

Once a motor neuron has fired, all the muscle fibers in a muscle contract.

During depolarization, the inside of the neuron's membrane becomes less negative.

NREM sleep normally exhibits four distinct stages, which appear to alternate.

A fracture of the ethmoid bone could result in damage to which cranial nerve?

The rami communicantes are associated only with the sympathetic division of the ANS.

A flat EEG is a good indication of deep sleep.

The muscle cell membrane is called the ________.

A second nerve impulse cannot be generated until ________.

When a muscle is unable to respond to stimuli temporarily, it is in which of the following periods?

Movements of the thigh are accomplished by muscles anchored to the pelvic girdle.