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A&P 2
Pia matter
| Term | Definition |
|---|---|
| The inner most layer of the meninges | Pia Matter |
| The main divisions of the central nervous system are? | Brain and spinal cord |
| Meningitis refers to the inflammation of the | Meninges |
| Cerebal spinal fluid is found in all the following except | Sub dural space |
| How many ventricles are in the brain | 4 |
| CSF is formed by filtration of the blood in the? | Choroid plexuses |
| CSF circulates through the ventricles into the central canal and the subarachnoid space and is? | Absorbed back into the blood |
| If the ventricle nerve root of the spinal nerve were destroyed a person would loose? | Willed movement |
| If the dorsal root ganglia of the spine were destroyed a person would loose? | Sensory perception |
| Which of the following is not true of lateral cortical spinal track | (not true) Most inhibit the lower neuron |
| Impulse sent over which of the following tract could result in voluntary movement especially of the hands fingers, feet and toes of the opposite side? | Lateral Corticospinal |
| Nerve fibers of the spinal thalamic are? | Sensory |
| Which of the following is not true? | One bundle of nerve fibers project from each side of the spinal cord |
| The brain has how many major divisions? | 6 |
| The brain stem does not include the? | Cerebellum |
| The pyramids are formed in the ? | medulla |
| Several vital centers are located in the? | medulla |
| The cerebellum works with the cerebrum to do? | Skilled movement |
| The part of the brain that assist with balance is the? | Cerebellum |
| All of the following cranial nerves have functional classification of motor except? | Vestbulocohlear nerve (cranial nerve #8) |
| Tic douloureux is a painful neuralgia of the? | Trigeminal nerve ( cranial nerve #5) |
| Nerve commonly called the Vagus nerve is? | Cranial nerve #10 |
| Which of the following cranial nerve is responsible for movement of the tongue? | Hypoglossal |
| The part of the brain that influences or inhibits the release of the hormones of the pituitary is the | hypothalamus |
| All of the following cranial nerves are involved in proprioception awareness except? | Vagus |
| Which of the following is not a function of the hypothalamus? | Regulations of the motor activities |
| Which of the following is not a plexus of the spinal nerve? | Thoracis |
| The cervical nerve is found deep in the? | All are correct/refer to slide 6 chapters chapters 21 |
| which plexus contains nerves in the lower part of shoulder and entire arm? | Brachial |
| The sensory cranial nerve contains only the? | Offactory, optic and vistibulocochear |
| The cranial nerve that arises from the spinal cord is the? | Accessory nerve |
| Nerve impulses over the Vegas nerve cause | increase peristalsis and increase heart rate |
| The spinal nerve is connected to the spinal cord and consist of | 31 pairs |
| Spinal nerves are | motor and sensory fibers |
| Mixed nerves carry both | sensory and motor fibers |
| Damage to the phrenic nerves can | make the diagram unable to function |
| The phrenic nerve is found in the | cervical plexus |
| When we talk about nerves that innervate the floor of the pelvic cavity and its surrounding areas they are found in the | Coccygeal Plexus |
| The knee jerk can be classified as a segmental reflex because | impulses that mediate it enter and leave the same segment of the cord |
| Which of the following is not true of the knee jerk reflex | It is a flexor reflex |
| Normal infants will show a positive Babinski reflex up to | 1 year old |
| Which of the following concerning the autonomic nervous system is not true? | They are both afferent and efferent |
| Which of the following would not be a major effector of the autonomic nervous system? | Skeletal muscle |
| Somatic and autonomic pathways share all of the following characteristics except? | Number of neurons between central nervous system in the effectors |
| The autonomic nervous system functions chiefly where? | The innervation of smooth muscle of the visceral |
| Once inside the sympathetic chain ganglion the preganglionic fiber may? | All of the above: 1) Synapse wth sympathetic postganglionic neuron 2) Send ascending or descending branches through the sympathetic trunk to synapse with postganglionic neurons in other chain ganglia 3) Pass through one or more chain ganglia without sy |
| Sympathetic responses generally have widespread effects on the body because? | Preganglionic fibers synapse with several postsynaptic fibers |
| Where are the parasympathetic neuron cell bodies located? | Nuclei of the brainstem and lateral grey columns of the sacral cord |
| Which of the following is not an example of sympathetic stimulation? | Constriction of the bronchi's |
| All of the following are examples of the parasympathetic division except? | Increased heart rate |
| Which of the following is a description of the principle of antagonism as it relates to the autonomic nervous system? | Sympathetic impulses tend to stimulate an effector, Parasympathetic impulses tend to inhibit an effector |
| The sympathetic and parasympathetic divisions are tonically active which means they? | continually conduct impulses to autonomic effectors |
| If you were to image some of the preganglionic fibers that enter the celiac ganglion what effect would this have on the sympathetic stimulation? | Hormones secreted by the adrenal medulla may not read the various sympathetic effectors thus delaying the effects of the sympathetic stimulation |
| Norepinephrine can stimulate? | Alpha and beta receptors |
| The special senses are grouped in the? | Tongue, eyes, nose and ears |
| Pain of the procedure is considered superficial but is actually caused by an underlying organ called? | Referred pain |
| Visceral receptors are located in which of the following? | Internal organs |
| The somatic senses enable us to detect sensations including? | All of the above (Touch, temperature, and pain) |
| Intense stimuli of any type that results in tissue damage will activate the? | Photoreceptors |
| Chemoreceptors are most likely to be activated by? | Noxious odors |
| The receptors responsible for sense of crude and persistent touch are? | Ruffini's Corpuscles |
| Which of the following is true of proprioceptors? | They function in relation to movement and position |
| Free nerve endings respond to all of the following stimuli except? | Strength of muscle contraction (Respond to tickling, itching, and pain) |
| Sensory impulses ending in what part of the central nervous system gives specific awareness of a specific type of sensation of its exact location and level of intensity? | Cerebral cortex |
| The two points determination test can be used to? | Measure the sensitivity of the skin in various types of the body |
| What type of receptors are important in stimulating the thirst center? | Osmoreceptors |
| If you slammed your finger in a car door it would stimulate? | Alpha pain fibers |
| The olfactory tract carries impulses associated with? | Smell |
| There are how many openings in the middle ear? | 4 |
| Both olfactory receptors and taste buds are? | Chemoreceptors |
| The number of pure or primary taste are? | 5 |
| All of the following are primary taste sensations except? | Spicy |
| The auditory ossicles include the? | All of the above (Mallus, Incas, Stapes) |
| Which of the following is not part of the bony labrinith? | Malleus (Vestibule, Semicircular Canals, Cochlea) |
| The organ of Corti is located in the? | Cochlear duct |
| Movement of hair cells in the organ of corti against the ___________can stimulate nerve impulse conductions | Tectorial membrane |
| Which of the following structures is not a component of the external ear? | Eustachian tube |
| Which of the following statements is not true about the olfactory receptor? | They are located in an area that is easily stimulated |
| Which of the following statements is not true about the sense of hearing? | All of the above |
| Which of the following statements is not true of the eye? | The anterior cavity is filled with vitreous fluid (filled with aqueous) |
| In the male reproductive system essential organs of reproduction are called? | Testes |
| The accessory organ of the male reproductive system include all of the above except? | Gonads |
| Which of the following is not a supporting structure of the male reproductive system? | Prostate |
| Which of the following is not a secreting gland in the male reproductive system? | Bulbourethral gland does secrete (gave it to us) |
| The supporting structures of the male reproductive system include? | All of the above (Scrotum, Penis, Pair of Spermatic Cords) |
| Progesterone released by cells surrounding the ovum what happens? | Increases the motility and attract sperm to the ovum |
| Which of the following are not classified as an accessory organ of the male reproductive system? | Testes |
| Which of the following statements is not true? | The right test is usually lower than the left |
| The efferent ductules drain the? | Rete Testis |
| Which of the following divided the testes into lobules? | Tunica Albuginea |
Created by:
ktalbert1