Laboratory Manual for Human Anatomy & Physiology Main Version
4th Edition
ISBN: 9781260159110
Author: Terry Martin
Publisher: Mcgraw-hill Higher Education (us)
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Textbook Question
Chapter 29, Problem 3PL
Stretch reflexes include ail of the following except the ___________ reflex.
a. withdrawal
b. patellar
c. calcaneal
d. biceps
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Name the 5 components of a reflex arc in order. a. ______________________ b. ______________________ c. ______________________ d. ______________________ e. ______________________ 2. How many neurons are in a monosynaptic reflex arc? _______ How many synapses are in the integrating center? _______ 3. How many neurons are in a polysynaptic reflex arc? _______ How many synapses are in a polysynaptic reflex arc containing two interneurons in the integrating center? _______ 4. Which type of neuron does the sensory neuron synapse with in a monosynaptic reflex arc? ______________________ 5. Which type of neuron does the sensory neuron synapse with in a polysynaptic reflex arc? _______________________
Chapter 29 Solutions
Laboratory Manual for Human Anatomy & Physiology Main Version
Ch. 29 - The impulse over a motor neuron will lead to a. an...Ch. 29 - Stretch reflex receptors are called a. effectors....Ch. 29 - Stretch reflexes include ail of the following...Ch. 29 - Prob. 4PLCh. 29 - Prob. 5PLCh. 29 - The quadriceps femoris is the effector muscle of...Ch. 29 - The posterior roots of spinal nerves contain the...Ch. 29 - The normal patellar reflex response involves...Ch. 29 - A withdrawal reflex employs...Ch. 29 - Interneurons in a withdrawal reflex are located in...
Ch. 29 - A reflex arc begins with the stimulation of a...Ch. 29 - Effectors of somatic reflex arcs are...Ch. 29 - Prob. 2.5ACh. 29 - The effector muscle of the patellar reflex is the...Ch. 29 - The sensory stretch receptors (muscle spindles) of...Ch. 29 - The posterior root of a spinal nerve contains the...Ch. 29 - The normal plantar reflex results in...Ch. 29 - Stroking the sole of the foot in infants results...Ch. 29 - In a stretch reflex arc, when the agonist muscle...Ch. 29 - Synapses, whether excitatory or inhibitory, occur...Ch. 29 - Prob. 2.13ACh. 29 - Prob. 2.14A
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- Predict the symptoms (both sensory and motor) you might experience if you suffered an injury to each of the following nerves:- a. Median nerve b. Common fibular nerve c. Femoral nerve d. Sciatic nerve e. Ulnar nervearrow_forwardIdentify the Origin and Nerve Supply to this Muscle a. Lateral Epicondyle/Radial Nerve b. Medial Epicondyle/Radial Nerve c. Lateral Epicondyle/Median Nervearrow_forward5) Describe what would happen to the myotatic (stretch) reflex in each of the following conditions (get larger,smaller, stay the same, or disappear). Be sure to explain your answers and describe what part of the reflex hasbeen affected by the treatment.a. A complete transection of the spinal cord at the C5 level (look at the dermatome picture in the slides)b. Destruction of the cells in the dorsal root ganglionc. Synaptic depression at the Ia/motor neuron synapsed. Partial destruction of the ventral rootarrow_forward
- The intercostal nerves between the ribs arise from which spinal nerve plexus? a. cervical b. brachial c. lumbar d. sacral e. none of themarrow_forwardReflexes are often used for diagnosing disorders of the nervous system and locating injured tissues in the body. Describe 2 somatic reflexes and explain the reason why these reflexes can cease to function or function abnormally.arrow_forwardV. Triceps Jerk a Reflex that assesses the nervous tissue between (and including) the C6, C7, and C8 nerve roots. b. It can be elicited by supporting your partner's arm with the elbow flexed at a 90° angle, sharply striking the posterior surface of the upper arm approximately 2 inches above the olecranon (bony "tip" of the elbow). c. Normal response: The triceps should twitch, and the elbow should extend. Label the feedback mechanism for this reflex. THEREH Binepe Incepaarrow_forward
- The biceps reflex tests a muscle spindle reflex arc (like the patellar reflex). The biceps brachii is innervated by the musculocutaneous nerve and the triceps brachii is innervated by the radial nerve. When the biceps tendon is tapped with a hammer, action potential generation ___________ in the musculocutaneous nerve and _____________ in the radial nerve. Select one: a. Increases; decreases b. Decreases; increases c. Decreases; decreases d. Increases; increasesarrow_forwardAnswer the following questions A. Which of the following brain regions is a major convergence area for most sensory input before it is sent on to the cerebral cortex. a. hypothalamus b. cerebellum c. brainstem d. thalamusarrow_forwardChoose the action of the cranial nerve and write the letter next to the cranial number. ____ I. A. Movement of lateral rectus muscle ____ II. B. Speech and swallowing—tongue muscles ____ III. C. Taste; facial expression; tears; salivation ____ IV. D. Equilibrium and hearing ____ V. E. Smell ____ VI. F. Movement of superior oblique muscle ____ VII. G. Movement of head and shoulders—sternocleidomastoid and trapezius muscles ____ VIII. H. Vision ____ IX. I. Posterior 1/3 of tongue; taste, swallowing and speech; secretion of saliva ____ X. J. Cutaneous sensations from ophthalmic, maxillary, and mandibular areas; chewing ____ XI. K. Taste; pharynx and epiglottis sensations; swallowing, coughing; voice production; smooth muscle of GI tract; secretion of digestive glands; slows heart rate ____ XII. L. Movement of 4 extrinsic eye muscles; accommodation of lens; pupillary constrictionarrow_forward
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