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Lecture test 3

Helps to study the structures of the human body

Question	Answer
When the path ways of nociceptors from the skin and from the internal organs converge, resulting the brain being unable to determine where the arriving signals are coming from, its called _______________	Referred pain
The structure that prevents foreign objects from passing beyond the front of the eye is the ________________	Conjunctival sac
The parasympathetic division of the autonomic nervous system ____________________	Constricts the pupil of the eye
Which of the following nerve fibers of the autonomic nervous system are adrenergic?	Most sympathetic postganglionic fibers
The change in rate of rotation (or angular acceleration of the body is detected by the _________________	Semicircular ducts
While the nervous system causes muscles to contract or glands to secrete, the endocrine system ________________________	Causes changes in the metabolic activities in cells
The triangular middle chamber of the cochlea ( which is filled with endolymph and which contains the organ of Corti) is called the ____________________	Cochlear duct
The cupula is a gelatinous structure found in a semicircular canal of the inner ear. Most of the semicircular canal is about the same width, but the cupula is found in an enlarged portion called the _______________	Ampulla
The ___________________ is the upper chamber of the cochlea. It's filled with perilymph, and it runs from the oval window to the apex	Scala vestibuli
The posterior lobe of the pituitary gland is called ____________________	The neurohypophysis
Where do we find the olfactory mucosa?	On the roof (or ceiling) of the nasal cavity
A hormone that is a lipid that is synthesized from cholesterol is a _________________ hormone	Steroid
Fluid in the space within the membranous labyrinth is called ______________________	Endolymph
The division of the autonomic nervous system that we associate with the fight or flight response, that increases alertness, heart rate, blood pressure, and pulmonary airflow, is the ____________ division	Sympathetic
Most of the taste buds sensitive to salty substances are located _______________________	On the side of the tongue
_______________ is a gland found in front of, and on either side of the voicebox	The thyroid gland
The fovea centralis is located where?	The location in the eye that has the keenest vision, because of its high concentration of cone cells
The central portion of the bony labyrinth is called the ________________	Vestibule
To reduce the force of vibrations, a muscle called the ______________ is connected to the malleus	Tensor Tympani
Some receptors have nerve fibers that wrap around hair follicles to monitor movements of hair. These are called______________	Hair receptors
The thickness, or resistance to flow, of blood is referred to as its _______________	Viscosity
After about 120 days, _______________ become trapped in (and are destroyed by) the spleen	Erythrocytes
What does the inner ear not contain?	Ciliary body
The otolithic membrane is resistant to changes in movement because it supports microscopic crystals of calcium carbonate called ________________________	Otoliths
_______________ are cells that begins as pluripotent stem cells in bone marrow	Both B lymphocytes and t lymphocytes
Somesthetic projections pathways are pathways followed by sensory signals to their ultimate destinations in the CNS. Most somesthetic signals travel by way of ____________________	Three neurons
The ____________ is the area monitored by a single sensory neuron. If two stimuli are simultaneously applied here, the brain cannot perceive them as separate	Receptive field
Cells of the eye that cannot distinguish colors from one another, but which detect variations in lightness and darkness are called __________________	Rod cells
________________ are receptors wrap around special muscle fibers or contact the end of muscle fibers to detect stretch in a muscle and trigger a variety of skeletal reflexes	Muscle spindles
Vibration of the ____________ cause vibration of the malleus	Tympanic membrane
The intensity or _______________ of sound is measured in decibels	Loudness
Hormones of the adrenal cortex that stimulate the growth of pubic and axillary hair are called _________________	Sex steroids
The auditory canal is a tube that extends from the __________ to the tympanic membrane	Auricle
Platelets reduce blood flow by _____________________	Secreting vasoconstrictors, sticking together to form plugs, secreting procoagulants
The _________________ produces a hormone that influences the rate at which the body consumes calories	Thyroid gland
Follicle-stimulating hormone and luteinizing hormone are both under the control of __________________	Gonadotropin-releasing hormone
Some parasympathetic fibers of the autonomic nervous system by way of which nerve?	Oculomotor nerve
The Auditory tube connects the nasopharynx to the tympanic cavity. Because of this connection, swallowing equalizes pressure on both sides of the ___________	Tympanic membrane
The ___________________ papillae are found primarily on the tip and side of the tongue and are shaped somewhat like mushrooms. Each has about three taste buds on its apex.	Fungiform
The opening into which the _________ fits is the oval window	Stapes
Which of the following is considered a general sense	Pain
Which of the following is a result of stimulation of the sympathetic nervous system	Glucose is released from the liver
_____________ are receptors for deep pressure, stretch, and high-frequency vibration that consist of layers of schwann cells surrounding on or more sensory nerve fibers. They're found in places like the pancreas, hands, and feet	Lamellated corpuscles
_____________ cells migrate from the bone marrow to the cortex of the thymus where they achieve immunocompetence and undergo selection	T lymphocytes
____________ are receptors that respond to physical forces on cells, caused by touch pressure, tension or vibration. They include the organs of hearing, and many receptors,	Mechanoreceptors
____________ cells are shaped somewhat like bowling pins	Olfactory
________ are leukocytes that are the rarest of the white blood cells. They secrete histamine or heparine, and they have dark violet (dark blue) staining granules	Basophils
What system reabsorbs the tissues fluids that are not pulled back into the blood through capillaries and venules?	The lymphatic system
Which of the following is a function of transport proteins?	They produce hormones from being broken down by enzymes
Which of the following is an effect of the parasympathetic division?	Increased activity of the salivary gland
The parasympathetic division of the autonomic nervous system has nerve fibers that originate in the _____________ region of the spinal cord	Brain and spinal cord
Blood calcium levels ( levels of calcium in the blood) are decreased by hormones released by the __________________	Thyroid Gland
The utricle is sensitive to ___________ acceleration	Horizontal
Postganglionic neurons of the autonomic nervous system innervate the heart. What kind of neurons innervate the adrenal medulla?	Preganglionic
____________ are the most abundant plasma solutes by weight	Proteins
The term for achieving sharp focus with the eye (through making adjustments in the shape of the lens) is called __________________	Accommodation
The two hormones transported from the hypothalamus to the posterior pituitary are oxytocin and antiduretic hormone	Prolactin
Olfactory receptor cells are sensitive to chemical stimuli, and they transmit the sensation of olfaction to the _________________	Cerebral cortex
Insulin secretion rises during and immediately after a meal which helps stimulate cells to absorb nutrients and store or metabolize them. Insulin is produced by the _______________	Pancreas
Cells in the blood that are known for carrying oxygen and carbon dioxide are called _____________________	Erythrocytes
The sensation of gustation is sent to the cerebral cortex from ____________________	Taste buds
The mixed endocrine and exocrine glands that secretes insulin is the ____________________	Pancreas
The _________________ is responsible for unconscious, automatic, stereotyped responses to stimulation that is involve receptors and effectors	Autonomic nervous system
The transparent fluid that fills the space anterior to the lens of the eye (but behind the cornea) is called the ___________________	Aqueous humor

Created by: mar2769

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Lecture test 3

Helps to study the structures of the human body

Pass complete!