A&P Final exam
the postsynaptic neuron.
A neuron that receives neurotransmitters from another neuron is called:
Glycolytic catabolism
A pathway of ATP production that results in the formation of lactic acid is:
epiphyseal plate
What structure allows the diaphysis of the bone to increase in length?
musculocutaneous
Which nerve arises from the brachial plexus?
astrocyte
Which neuroglial cell helps form the blood-brain barrier?
increased sweat secretion
Which of the following is NOT an effect of the parasympathetic nervous system?
Threshold is more positive than the resting potential.
Which of the following is correct about threshold?
sutures, syndesmoses, and gomphoses
Which of the following is/are classified as fibrous joints?
Calcium ion channels in the axon terminal open.
Which of the following must happen first in the order events at a chemical synapse?
myosin
Which protein does not belong in a thin filament?
24 hour period of awake and period of sleep
Which statement best describes the circadian rhythm?
The phrenic nerve arises from the cervical plexus.
Which statement is TRUE?
trigeminal nerve (V) or glossopharyngeal nerve (IX).
An inability to swallow indicates a problem with the:
calcium phosphate crystals.
Bone, or osseous, tissue provides protection for our vital organs since the inorganic ground substance is:
CNS (central nervous system)
Bundles of axons known as tracts are part of the:
epiphyseal plate
Cartilaginous join found only in young growing people.
acetycholine
Cholinergic synapses use the neurotransmitter:
diarthrosis
Determine the functional joint classification that provides the greatest mobility.
a fast heart rate
Drugs known as beta-blockers may be useful in treating:
to understand anatomy requires complete understanding of physiology
It is wise to study anatomy alongside with physiology because ________.
Internerons
Neuronal pools are collections of:
radial nerve
In a motorcycle accident, a man suffers an arm and shoulder injury. Which nerve is most likely damaged if he can extend his elbow but can't flex his wrist?
atrophy.
In response to physical inactivity, we expect to see muscles:
dual innervation
Most organs are innervated from both the sympathetic and parasympathetic nervous systems, referred to as:
sensory transduction
Olfactory receptors depolarize in response to an odorant, turning a stimulus into an electrical signal. This conversion is known as:
adrenergic
Receptors that bind norepinephrine and epinephrine are known as:
rapidly adapting receptors
Sensory receptors that adapt to stimuli after a certain period of time are:
PNS sensory neurons
Sensory transduction occurs in:
skeletal muscle cells
Somatic motor neurons innervate:
endocrine system
System that controls and coordinates the body through hormones
sympathetic nervous system
The adrenal medulla serve to supplement the:
short
The axons of parasympathetic postganglionic neurons are:
Crossbridge
The binding of a myosin head to an actin molecule is termed a:
Trochlear
The cranial nerves that have neural connections with the tongue include all of the following EXCEPT:
limbic syste
The hippocampus and amygdala are parts of the:
central canal.
The hole in the spinal cord through which CSF flows is the:
sarcoplasmic reticulum.
The storage and release of calcium ions is the key function of the:
Both types of contractions result from thick and thin filaments sliding past one another.
What do skeletal muscle contractions share in common with smooth muscle contractions?
myosin heads pulling actin toward the center of the sarcomere.
What is accomplished by the power stroke?
sympathetic tone
What is responsible for keeping blood vessels partially constricted at all times?
acetylcholine
What neurotransmitter is released by both preganglionic and postganglionic parasympathetic neurons at their synapses?
basal nuclei
What part of the brain modifies the activity of upper motor neurons to produce voluntary movements and inhibit involuntary ones?
basal nuclei
What part of the motor pathway inhibits inappropriate movements?
hypothalmus
What provides a link between the nervous system and the endocrine system?
Golgi tendon reflex
What reflex causes muscle relaxation?
A-motor neuron
What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation-contraction mechanism?
PNS
Where are autonomic ganglia located?
cytosol of the muscle cell
Where should most of the potassium ions be located when a muscle cell is at rest?
vesseles of the penis
Which blood vessels are innervated by the parasympathetic nervous system?
transverse foramen
Which bone feature is only found on cervical vertebrae?
Vestibilocochlear nerve
Which cranial nerve is NOT involved in eye movement?
somatic sensory division
Which division detects stimuli of the general senses and special senses?
type 1 fiber
Which fiber type helps Frances stand for hours in her job as a nurse?
corpus callosum
Which structure is a "large tract" that connects the two hemispheres?
Parasympathetic nervous system
Which system works opposite to the sympathetic nervous system?
agonist
Which term is a synonym for "prime mover"?
type 2 fibers
fast twitch