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SLP 6351 FINAL Exam 200 QUESTIONS & CORRECT
ANSWERS (WELL VERIFIED) ALREADY GRADED A+
What are the types of receptor cells? - CORRECT ANSWER >>> - Exteroceptors
- Proprioceptors
- Interoceptors What are the different types of exteroceptors? - CORRECT ANSWER >>> - Mechanoreceptors
- Thermoreceptors
- Nociceptors
- Photoreceptors
- Chemoreceptors What type of receptor cell receives info from outside the body; mediate sight, sound, smell, and cutaneous sensations? - CORRECT ANSWER >>> exteroceptors What type of receptor cell mediates deep somatic sensation in muscles, joints, tendons, and inner ear? - CORRECT ANSWER >>> proprioceptors What type of receptor cell mediates deep somatic sensation in muscles, joints, tendons, and inner ear? - CORRECT ANSWER >>> proprioceptors What kind of receptor are muscle spindles? - CORRECT ANSWER >>> proprioceptors what kind of receptor are Golgi tendon organs? - CORRECT ANSWER >>> proprioceptors
What structure responds to the length of muscles? - CORRECT ANSWER >>> muscle spindles What structure detects tension and responds to strength of muscle contractions? - CORRECT ANSWER >>> Golgi tendon organs What is the relevance of adaptation in receptor cells? - CORRECT ANSWER >>> Allows for a gradual decrease over time in the responsiveness of the sensory system to a constant stimulus. What is proprioception? - CORRECT ANSWER >>> Ability to understand pressure, movement, vibration, and body position What type of matter is inside the spinal cord? - CORRECT ANSWER >>> H-shaped gray matter Where does the spinal cord stop in adults? - CORRECT ANSWER >>> Lower border of first lumbar vertebrae Where does the spinal cord stop in children? - CORRECT ANSWER >>> Upper border of third lumbar vertebrae How many vertebrae are there? - CORRECT ANSWER >>> 32 Spinal nerves and cranial nerves are considered ____. - CORRECT ANSWER >>> Lower motor neurons What is a tract? - CORRECT ANSWER >>> Bundles of white matter in spinal cord with common function
What makes up the pyramidal system? - CORRECT ANSWER >>> Corticospinal tract & Corticobulbar tract What makes up the extrapyramidal system? - CORRECT ANSWER >>> - Cerebellum
- Basal ganglia
- Primary motor cortex
- Pre-motor cortex
- Limbic system What is the function of the pyramidal system? - CORRECT ANSWER >>> Responsible for motor control; regulates coordinated, voluntary movements Lesions of the pyramidal system result in ____. - CORRECT ANSWER >>> Deficits of voluntary movements What is the function of the extrapyramidal system? - CORRECT ANSWER >>> Integrates and coordinates information for planning, coordinating, and smoothing out movements Lesions of the extrapyramidal system result in ____. - CORRECT ANSWER >>> Motor control problems, especially uncontrolled movements that are jerky and jumpy What is endocytosis? - CORRECT ANSWER >>> Cellular process to bring substances into the cell What is exocytosis? - CORRECT ANSWER >>> Cellular process to move large amounts of substances out of the cell What is the uncus? - CORRECT ANSWER >>> Primary olfactory area; located in inferior medial part of bran
Double vision is called ____. - CORRECT ANSWER >>> Diplopia What is hemianopsia? - CORRECT ANSWER >>> A visual field defect of one half of the eye field What are the types of hemianopsia? - CORRECT ANSWER >>> - Homonymous hemianopsia
- Binasal heteronymous hemianopsia
- Bitemporal heteronymous hemianopsia What is the loss of vision on the same side in both eyes? **- CORRECT ANSWER
** homonymous hemianopsia What is the loss of central vision? - CORRECT ANSWER >>> binasal heteronymous hemianopsia What is the loss of peripheral vision and is also known as tunnel vision? **- CORRECT ANSWER ** bi-temporal heteronymous hemianopsia What is accommodation? - CORRECT ANSWER >>> The ability to focus in with the eyes, such as for reading What nerves control taste? - CORRECT ANSWER >>> - Anterior โ
- Facial
- Posterior โ
- Glossopharyngeal
- Tongue root/ epiglottis - Vagus
- Fibers splitting from facial nerve in the middle ear
- Chorda Tympani
What results from unilateral damage to the Vagus nerve? - CORRECT ANSWER >>> Mostly affects voice/ vocal quality (breathy voice) The ____ nerve controls regulation of heart rhythm as part of the autonomic nervous function. - CORRECT ANSWER >>> Vagus Recurrent laryngeal nerve innervates all ______ except for the ____. **- CORRECT ANSWER
** - Intrinsic muscles of larynx
- Cricothyroid muscle What is the acoustic reflex? What is it mediated by? - CORRECT ANSWER >>> - Contraction of the stapedius muscle elicited by the presentation of an acoustically loud sound
- Tensor tympani (CN V) and stapedius (CN VII) What does the cochlear nerve do? - CORRECT ANSWER >>> - Carries frequency information
- Enters the dorsal cochlear nucleus for high frequencies
- Enters the ventral cochlear nucleus for low frequencies Is CN I sensory or motor? - CORRECT ANSWER >>> sensory Is CN II sensory, motor, or mixed? - CORRECT ANSWER >>> sensory Is CN III sensory or motor? - CORRECT ANSWER >>> motor Is CN IV sensory, motor, or mixed? - CORRECT ANSWER >>> motor
Is CN V sensory, motor, or both? - CORRECT ANSWER >>> Is CN III sensory or motor? - CORRECT ANSWER >>> motor Is CN VII sensory, motor, or mixed? - CORRECT ANSWER >>> mixed Is CN VIII sensory, motor, or mixed? - CORRECT ANSWER >>> sensory Is CN IX sensory, motor, or mixed? - CORRECT ANSWER >>> mixed Is CN X sensory, motor, or mixed? - CORRECT ANSWER >>> mixed Is CN XII sensory, motor, or mixed? - CORRECT ANSWER >>> motor Is CN XI sensory, motor, or mixed? - CORRECT ANSWER >>> motor What is CN I? - CORRECT ANSWER >>> Olfactory What cranial nerve is responsible for the sensation of smell? - CORRECT ANSWER >>> olfactory (1) What is innervated by the olfactory nerve? - CORRECT ANSWER >>> nasal cavity/uncus What is CN II? - CORRECT ANSWER >>> optic nerve Which cranial nerve is responsible for vision? - CORRECT ANSWER >>> optic nerve (II)
What are the branches of CN V? - CORRECT ANSWER >>> ophthalmic, maxillary, mandibular The ophthalmic branch of CN V is responsible for : - CORRECT ANSWER >>> sensory to forehead, nose, and eyes The maxillary branch of CN V is responsible for : - CORRECT ANSWER >>> sensory to upper lip, teeth, cheeks and palate The mandibular branch of CN V is responsible for : - CORRECT ANSWER >>> sensory to lower teeth, lip, tongue, lower cheek, and ear What is innervated by the trigmenial nerve V? - CORRECT ANSWER >>> - masseter
- pterygoids (temporal, medial, and lateral)
- tensor veli palatine
- mylohyoid
- tensory tympani
- anterior belly of digastric muscle What is CN VI? - CORRECT ANSWER >>> abducens nerve What cranial nerve is responsible for moving the eyes outward? **- CORRECT ANSWER
** abducens nerve (VI) What is innervated by the abducens nerve VI? - CORRECT ANSWER >>> lateral rectus What is CN VII? - CORRECT ANSWER >>> facial nerve
Which cranial nerve is responsible for all facial expressions? - CORRECT ANSWER >>> facial nerve (VII) What is innervated by the facial nerve (VII)? - CORRECT ANSWER >>> - posterior belly of digastric
- stylohyoid
- stapedius
- orbicularis oris
- risorius
- zygomaticus
- buccinator
- mentalis What is CN VIII? - CORRECT ANSWER >>> vestibulocochlear nerve What cranial nerve is responsible for sound sensitivity, hearing, and balance? - CORRECT ANSWER >>> vestibulocochlear nerve (VIII) What is innervated by the vestibulocochlear nerve (VIII)? - CORRECT ANSWER >>> cochlea and semicircular canals What is CN IX? - CORRECT ANSWER >>> glossopharyngeal nerve What cranial nerve is responsible for carrying sensory information to the tongue, pharynx, and posterior โ
of tongue for taste? - CORRECT ANSWER >>> glossopharyngeal nerve (IX)
- Recurrent laryngeal branch - all intrinsic muscles of larynx (except cricothyroid) What is CN XI? - CORRECT ANSWER >>> accessory nerve What cranial nerve is responsible for moving neck to turn head and to shrug shoulders? - CORRECT ANSWER >>> accessory nerve (XI) What is innervated by the accessory nerve (XI)? - CORRECT ANSWER >>> - Cranial - levator veli palatini, intrinsic laryngeal muscles
- Spinal - sternocleidomastoid and trapezius What is CN XII? - CORRECT ANSWER >>> hypoglossal nerve What cranial nerve is responsible for controlling tongue movement? **- CORRECT ANSWER
** hypoglossal nerve (XII) What is innervated by the hypoglossal nerve (XII) - CORRECT ANSWER >>> all intrinsic tongue muscles (except palatoglossus), styloglossus, and genioglossus Is CN IV sensory, motor, or mixed? - CORRECT ANSWER >>> motor Is CN V sensory, motor, or mixed? - CORRECT ANSWER >>> mixed Is CN VI a sensory or a motor nerve? - CORRECT ANSWER >>> motor
Is CN III sensory or motor? - CORRECT ANSWER >>> motor What type of receptor cells are located throughout the internal organs; controls internal states (blood pressure, hunger), mediates sensation from viscera (visceral pain, pressure, distention); also includes nociceptors for pain? - CORRECT ANSWER >>> interoceptors
