ANS
What does ANS innervate? Select all that apply.
A) Cardiac Muscle
B) Smooth Muscle
C) Skeletal Muscle
D) Glands
A) Cardiac Muscle, B) Smooth Muscle, D) Glands
Somatic = skeletal muscle
The Parasympathetic Division is _______ and has ________.
A) Long lasting
B) Short-lived
C) localized effects
D) body-wide effects
B) Short-lived
C) localized effects
Smooth muscle of blood vessels are innervated by ________.
A) Sympathetic fibers
B) Parasympathetic fibers
C) Both Sympathetic and Parasympathetic Fibers Equally
A) Sympathetic fibers
Which of the following is the vision receptor for bright light?
A) Cones
B) Rods
A) Cones
The Preganglionic axon of the sympathetic NS is _______.
A) Non-myelinated
B) Lightly Myelinated
C) Heavily Myelinated
B) Lightly Myelinated
Post of sympathetic = non-myelinated
Somatic NS = heavily myelinated axon
Where is the region of overall integration of the ANS?
A) Limbic System
B) Hypothalamus
C) Spinal Cord
D) Brain stem
B) Hypothalamus
Which cranial nerve moves the eye laterally?
A) III
B) VI
C) IV
D) IV
B) VI ( lateral rectus )
Which of the following is the region of the eye with the best visual acuity?
A) Macula Lutea
B) Rods
C) Fovea Centralis
D) Optic Disc
C) Fovea Centralis
Sympathetic fibers originate in the _______.
A) Brain
B) Sacral Region of spinal cord
C) Cervical Region of spinal cord
D) Lumbar Region of spinal cord
E) Thoracic Region of spinal cord
E) Thoracic Region of spinal cord
D) Lumbar Region of spinal cord
Parasympathetic = A) Brain and B) Sacral Region of Spinal Cord
Which region is responsible for reflexes of urination and defecation?
A) Brain stem
B) Spinal Cord
C) Cerebral Cortex
D) Limbic System
B) Spinal Cord
Which of the following are functions of the Maculae? Select all that apply.
A) Monitor position of the head
B) Control Posture
C) Respond to linear acceleration forces
D) Respond to rotational acceleration forces
A) Monitor position of the head
B) Control Posture
C) Respond to linear acceleration forces
Which of the following has Terminal ganglia?
A) Sympathetic NS
B) Parasympathetic NS
B) Parasympathetic NS ( meaning at the effectors/organs )
A) Sympathetic = collateral ganglia ( next to spinal cord )
If Ach binds to a muscarinic receptor in cardiac muscle, which of the following will occur?
A) Decrease in heart rate
B) Increase in heart rate
C) Remain the same
A) Decrease in heart rate
Which of the following controls the muscles of the pupil and lens?
A) Spinal cord
B) Brain stem
C) Medullary Centers
D) Midbrain
D) Midbrain
Which of the following is NOT one of the pathways that occur with the Sympathetic Trunk?
A) Ascends or descends sympathetic trunk to synapse in another trunk ganglion
B) Synapse occurs with a ganglionic neuron in the same trunk ganglion
C) Passes through trunk ganglion and synapses outside of the trunk in collateral ganglia
D) All of the above are correct
D) All of the above are correct
Which of the following is the way Hyperopia is corrected?
A) With concave lens
B) With convex lens
C) With cylindrically ground lenses
D) With laser procedures
B) With convex lens
If blood pressure rises, which of the following would occur?
A) Blood vessels will constrict
B) Blood vessels will dilate
C) None of the above
B) Blood vessels will dilate
Constrict = if blood pressure drops
What is occurring in Hypertension?
A) Overactive Parasympathetic vasodilator
B) Overactive Sympathetic vasodilator
C) Overactive Parasympathetic vasoconstrictor
D) Overactive Sympathetic vasoconstrictor
D) Overactive Sympathetic vasoconstrictor
Which is the correct pathway of sound waves ( in hearing range )?
A) Basilar membrane, Auditory ossicles, cochlear duct and Tympanic Membrane, hair cells
B) Cochlear duct and Tympanic Membrane, Auditory ossicles, Basilar membrane, hair cells
C) Tympanic Membrane, Auditory ossicles, oval window, cochlear duct and Basilar membrane, hair cells
C) Tympanic Membrane, Auditory ossicles, oval window, cochlear duct and Basilar membrane, hair cells
What is the correct pathway of light into the eye?
A) Photoreceptors, Bipolar cells, Ganglion cells
B) Bipolar cells, Ganglion cells, Photoreceptors
C) Ganglion cells, Bipolar cells, Photoreceptors
C) Ganglion cells, Bipolar cells, Photoreceptors