WorksheetsAnatomy Unit III Test
Total questions: 25
Worksheet time: 13mins
The impulse-conducting cells of the nervous system are called
neuroglia
neurons
microglia
ependymal cells
Which neurons detect sensation such as touch or heat then relay the information to the central nervous system?
Efferent neurons
Interneurons
Afferent Neurons
Schwann Cells
A nerve cell in which phase cannot respond to a new stimuli?
resting potential
action potential
repolarization
refractory period
Which key nerve is part of the sacral plexus?
Phrenic nerve
Axillary nerve
Sciatic Nerve
Femoral neve
Which portion of the brain contains centers responsible for such vital functions as heart rate, breathing, and blood pressure.
Pons
Medulla oblongata
Midbrain
Cerebellum
Which brain structure influences almost every organ and exerts control over the automatic nervous system and pituitary gland
Thalamous
Limbic system
Cerebral cortex
Hypothalamus
Which cranial nerve supplies most of the organs in the thoracic and abdominal cavities as well as those in the head and neck.
Glossopharyngeal
Hypoglossal
Vagus
Vestibulocochlear
Brain swelling from a head injury can compress this nerve and interfere with the ability of the pupils to react with light.
Oculomotor
Olfactory
Optic
Facial
Which of the following statements correctly describes cholinergic fibers
They secrete norepinephrine
They include postganglionic fibers of the sympathetic and parasympathetic divisions
They secret acetylcholine
They include preganglionic fibers of the parasympathetic division only
Which of the following is one of the actions of the parasympathetic division of the autonomic nervous system
Increases heart rate
Constricts bronchial tubes
Stimulates sweat glands
Inhibits intestinal motility
Which is a characteristic of the exocrine glands?
They secrete hormones into the blood stream
Ducts carry their secretions to the body's surface
They exert a long lasting effect
They respond slowly to stimuli
Which endocrine gland influences more body process than any other endocrine gland
Thyroid
Pituitary
Adrenal
Limbic
A key difference between the anterior and the posterior pituitary is that the posterior pituitary:
Consists of glandular tissue
secretes hormones under the direction of the hypothalamus
receives hormones from the hypothalamus via the hypophyseal
stores hormones released from the hypothalamus
Cold temperatures are most likely to stimulate the release of which hormone by the anterior pituitary gland
Growth Hormone
ACTH
Thyroid stimulating hormone
Prolactin
Which gland has more exocrine than endocrine tissue?
Thyroid gland
Adrenal Gland
Pancreas
Thymus
Vibration of the tympanic membrane triggers vibration in the
eustachian
auditory ossicles
bony labyrinth
perilymph
Rods are:
active in dim light
concentrated in the center of the retina
responsible for color vision
primarily responsible for sharp vision
The outermost layer of the eye is the
sclera
ciliary body
choroid
retina
Which structure of the ear contains the structures for hearing?
Vestibule
Semicircular canals
Cochlea
Auricle
The sense of taste is called
gustation
olfaction
equilibrium
convergence
Which nerve sends the sense of sound to the auditory cortex in the brain?
Cochlear nerve
Optic Nerve
Sciatic Nerve
Chemoreceptors
Which nerve sends the sense of sight to the brain?
Cochlear nerve
Optic Nerve
Sciatic Nerve
Chemoreceptors
Which parts of the ear are responsible for equilibrium?
Vestibule
semicircular canals
Vestibule and Semicircular canals
Ampulla
Which vocabulary word means "the type of cell within the pancreatic islets that secretes the hormone somatostatin
Alpha Cell
Beta Cell
Delta Cell
Target cells
Which vocabulary words mean "The process by which the output of a gland is fed back in a manner that reduces further output.
Negative Feedback
Positive Feedback
Inhibiting hormones
Releasing Hormones
