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A&P 2 TEST 1
Terms in this set (52)
Which of these is true of the autonomic, but Not the somatic motor pathways?
PNS ganglia are involved
Which of these is Not a visceral effector?
Muscles that open eyelids
Which of these is Not associated with the ANS?
Dorsal root ganglia
Which of these spinal nerve roots do Not contain autonomic axons?
Which of these autonomic structures is found in the abdominal cavity?
What endocrine structure contains the ends of certain sympathetic preganglionic neurons?
What part of the spinal cord contains the cell bodies of the sympathetic preganglionic neurons?
Lateral gray horn
Which of these supply most sympathetic nerves to the abdominal viscera?
Which of these is Not a sympathetic effect?
Constriction of respiratory tract
Sympathetic nerve supply to the organs in the head come from which part of the sympathetic nervous system?
Superior cervical chain ganglia
Which of the following is the cranial nerve that carries most parasympathetic axons?
Which of these ganglia supplies parasympathetic nerve fiber to the eye?
Which spinal nerve roots carry parasympathetic fibers?
sacral nerve ventral roots
Which cranial nerves carry parasympathetic supply to salivary glands?
VII and IX
Which of the following might occur if a person's right vagus nerve gets transected?
heart rate increases
Where are receptors for autonomic neurotransmitters found?
plasma membrane of effector cells
How are alpha and beta receptors classified?
Where are nicotinic receptors found?
All autonomic postganglionic neurons
What type of receptor is activated by acetylcholine secreted by postganglionic neurons?
What enzyme is found in synaptic clefts of somatic motor, sympathetic, and parasympathetic synapses?
Which of the following effectors does Not receive dual innervation?
Which of these is Not a visceral reflex?
Which part of the brain receives visceral sensory information
Solitary nucleus of medulla
Which part of the brain has primary responsibility for regulating both sympathetic and parasympathetic functions?
If the spinal cord is completely transected at the level of C8, which of the following functions is most likely to permanently lose input from the brain?
Which of the following contains many short reflexes?
Where are taste buds located?
In lingual papillae
What term is used for the "savory" taste of amino acids?
Which of the following is Not a part of the olfactory pathway?
What CNS structure do olfactory nerves connect to?
Which nerve is primarily responsible for carrying taste sensations to the brain?
With which senses are hair cells associated?
Hearing and equilibrium
Which of these is Not part of the middle ear?
Which of the following is part of the membranous labyrinth?
Within which of the following is the organ of Corti located?
Within which of the following are the hair cells for rotational equilibrium located?
Cupula of ampulla
Which of the following respond to gravity?
Otoliths within the vestibule
Which of the following is Not an orientation for one of the semicircular canals?
After vibrations strike the tympanic membrane, to what structure are they transmitted?
Which of these occurs when extremely loud noises impact the eardrum?
Contraction of tensor tympani
Dizziness after spinning in a circle is due to which of the following?
Continued movement of endolymph
From what structure in an embryo does the retina develop?
Which accessory organ of the eye covers and protects the surface of the eye?
Through which structure does lacrimal fluid drain to reach the surface of the eye?
Which of these is responsible for focusing the lens?
Damage to which of the following will most directly impact vision?
What is the focal point of the visual axis?
Which of the following occurs to permit accommodation for near vision?
Contraction of ciliary muscle
Which of these parts of the visual pathway connects the thalamus to the occipital cortex?
Which of these is found in the macula lutea
Axons from which neurons combine to form the optic nerves?
Disturbance of which of the following fluids can result in vertigo
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