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UT Dallas BIOL1300 Test 3
Memmler's Human Body in Health and Disease Ch. 9-12
60
Biology
Undergraduate 3
03/07/2012

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Term
What is the name of the division of the nervous system that exclusively controls skeletal muscles?
Definition
Somatic nervous system
Term
Fibers that conduct impulses away from the cell body are _________.
Definition
axons
Term
What is not a classification of neurons based on their structure?
Definition
Motor neurons
Term
Describe the epineurium.
Definition
The membrane surrounding an entire nerve.
Term
Define ganglion.
Definition
Collection of nerve cell bodies located outside the central nervous system
Term
Before the start of the action potential, the neuron membrane is
Definition
At rest
Term
What happens to a membrane in repolarization?
Definition
Potassium channels open late in the action potential
Term
Neurotransmitters bind to specific proteins on the postsynaptic membrane called
Definition
receptors
Term
Where is cerebrospinal fluid found?
Definition
Central canal of the spinal chord
Term
What is the difference between Schwann cells and oligodendrocytes?
Definition
Schwann cells make myelin in PNS oligodendrocytes make myelin in the CNS
Term
Name the correct order of impulse conduction through a reflex arc (5 items)
Definition
Receptor, sensory neuron, inter neuron, motor neuron, effector
Term
Where are cell bodies of sensory neurons found?
Definition
Dorsal root ganglion
Term
What are the names of the two fibers/extensions of the neuron?
Definition
Dendrites and axons
Term
What is another name for the Vestibulocochlear nerve?
Definition
Cranial nerve VIII
Term
What is controlled by the hypothalamus?
Definition
Pituitary gland and autonomic nervous system
Term
What system do the hippocampus and the reticular formation belong to?
Definition
Limbic system
Term
What is the cerebellum? Where is it located?
Definition
Little brain located beneath the posterior part of the cerebral hemispheres
Term
How does blood drain from the brain.
Definition
Dural sinuses
Term
Name the layer of the meninges that most closely follows the contours of the brain.
Definition
Pia mater
Term
How does cerebrospinal fluid flow?
Definition
From the lateral ventricles to the third ventricle via the formina
Term
What is the choroid plexus?
Definition
The vascular network the forms the cerebral spinal fluid
Term
What is a fissure?
Definition
Deep groove in the brain.
Term
Which lobe of the cerebrum lies posterior to the parietal lobe and extends over the cerebellum?
Definition
Occipital lobe
Term
Where is the visual area of the cortex located?
Definition
Occipital lobe
Term
What happens in a patient with an injury in Broca's area?
Definition
Difficulty speaking and forming words
Term
What connects the midbrain and the medulla oblongata?
Definition
Pons
Term
What is an intrinsic muscle of the eye?
Definition
Iris
Term
An epidural hematoma results in bleeding into the space between which two areas of the head?
Definition
Dura mater and the skull
Term
What hormone opposes the effect of the parathyroid hormone?
Definition
Cacitonin
Term
The phrenic nerve arises from which plexus?
Definition
Cervical plexus
Term
Name the cranial nerve that supplies motor impulses to the tongue.
Definition
Hypoglossal nerve
Term
What is the receptor for hearing?
Definition
Organ of corti
Term
The frontal and parietal lobes are separated by what?
Definition
Central sulcus
Term
What is not a product of the adrenal gland?
Definition
Progesterone
Term
What neurotransmitter is released at the neuromuscular junction during a reflex?
Definition
Acetylcholine
Term
______________is a general sense.
Definition
Proprioception
Term
What area of the tongue is particularly sensitive to sweet tastes?
Definition
Tip of the tongue
Term
What is the middle, pigmented layer of the eye called?
Definition
choroid
Term
Another word for the blind spot is __________.
Definition
Optic disc
Term
What is the point of sharpest vision called?
Definition
Fovea centralis
Term
Where are tears produced?
Definition
Lacrimal gland
Term
The receptors for vision are the _________ and _________.
Definition
Rods and cones
Term
What is rhodopsin?
Definition
Pigment found in the rods
Term
What nerve that governs most of the extrinsic eye muscles?
Definition
Inferior Oblique
Term
What is the function of the maculae?
Definition
To detect the position of the head in relation to gravity
Term
What is the scientific name for the eardrum?
Definition
Tympanic membrane
Term
What gland secretes earwax?
Definition
Ceruinous gland
Term
What are the receptors for pain?
Definition
Free nerve endings
Term
Where is the thyroid gland located?
Definition
Either side of the larynx
Term
The islets of Langerhans are found in the
Definition
pancreas
Term
The adrenal cortex produces _____________.
Definition
cortisol
Term
____________ is a gonadotropic hormone.
Definition
Leuteinizing hormone
Term
Where are the target tissues for oxytocin found?
Definition
Uterus and breast
Term
Name the gland that produces calcitonin.
Definition
Thyroid gland
Term
The ossicle of the ear that is in contact with the tympanic membrane is the what?
Definition
malleus
Term
What causes myxedema in an adult?
Definition
Deficiency of thyroxine
Term
The arachnoid villi are not associated with what?
Definition
ventricles
Term
What is an atrial natriuretic peptide?
Definition
The hormone that increases sodium loss and lowers blood pressure.
Term
True or False: A neuron is not an example of a neuroglial cell.
Definition
true
Term
A heredity disorder that prevents normal vibration of the stapes is called?
Definition
ososcleosis
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