Portage Learning A&P 2 Final Exam biod 152 Questions with 100% Complete Solutions

Collection of cell bodies in the PNS Ganglia This part of the autonomic NS increases digestion parasympathetic NS Ventral root of a nerve contains what type of neurons? motor Neuron part that conducts nerve impulse away from body axon An interneuron inside the spinal cord is part of the central nervous system Describe Synthesis & Storage of Neurotransmitters Cell body manufactures NT's, they are stored in the secretory vesicles at the end of the axon terminal An efferent neuron carries info: from the central to peripheral nervous system location & function of astrocytes Location: CNS Function: regulation of chemical environment inside the CNS by forming a blood-brain barrier phases of an action potential depolarization, repolarization, after-hyperpolarization at rest, a neuron plasma membrane is: polarized T/F: The sodium-potassium pump must remain in constant operation to maintain the resting state true where does the NMJ terminate on a muscle fiber how is a message sent from one neuron to another? Neurons send messages through electrochemical signals what neurotransmitter is found at the NMJ? Acetylcholine This part of a reflex is inside the CNS, made up of one or more synapses integration center T/F: Regulation of blood sugar by hormones is an example of a reflex true Muscle Spindle detects ____ within a muscle stretch Flexor Withdrawal reflex involves what types of interneurons? excitatory and inhibitory Superficial layer of the brain meninges dura mater ___ fissure separates the cerebrum from the cerebellum transverse functions of the hypothalamus regulates sleep, regulates water balance, links the nervous and endocrine system largest portion of the brain cerebrum association area of the brain acts to coordinate multiple sources of sensory information T/F: the brainstem regulates breathing false where are the cerebellar peduncles located? pons CVA stands for cerebrovascular accident (stroke) A patient damaged their radial nerve, what action is most likely limited? wrist extension A patient sustained damage to their femoral nerve, what action is most likely limited? hip flexion, knee extension The basal ganglia is responsible for movement apraxia impaired motor functioning what sense does not have specialized sense organs? touch the posterior portion of the outer fibrous layer of the eye is called the sclera what portion of the eye supplies blood to other layers of the eye? choroid order of light passing through the eye cornea, aqueous humor, lens, retina T/F: All sensory information from the optic nerves cross at the optic chiasm false: only medial fibers cross at the optic chiasm the ____ is controlled by the abducens nerve lateral rectus Funneled vibrations push against the eardrum which moves the _____ ossicles The stapes pushes against the _____ cochlear duct Movement of tiny hairs inside the ____ causes neurons to send impulses thru a cranial nerve to the _________, located in the ________ lobe. organ of corti, auditory cortex, temporal olfaction sense of smell primary odors floral, putrid, camphorates, musky, peppermint, ethereal, and pungent a person cannot taste from the posterior section of their tongue. What portion is most likely damaged? the glossopharyngeal nerve Papillae that do not contain taste buds filiform papillae loss of sense of smell anosmia which body system supplies cells with oxygen and nutrients and carries away waste? circulatory system heart is contained in the ____ cavity pericardial