ANATOMY+PHYSIOLOGY (LL) >CUSTOM PKG.<
4th Edition
ISBN: 9781264457861
Author: McKinley
Publisher: MCG CUSTOM
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Chapter 14, Problem 9DYKB
Summary Introduction
Introduction:
Stretch reflex is monosynaptic reflex and gets activated upon the stretching of the muscle fibers. The stimulus causes the contraction and relaxation of the muscles as analyzed by the sensory neurons that are intercoiled along the intrafusal muscle fibers. The signals from the sensory neurons in the spinal cord are intercepted by the alpha motor neurons present in the muscle fibers.
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Motor neurons are crucial for movement, what would
happen if the motor neurons would be destroyed.
a. How would this affect our reflexes
b. Research illnesses that affect Motor Neurons
NOTE THESE ARE ALL ONE QUESTION GROUP and need to be answered as such
Identify the term that does NOT belong in the group.
A.
Parasympathetic tone
B.
Urinary tract
C.
Rapid heart rate
D.
Digestive tract
Approximately 75% of all parasympathetic axons are located in the _______________.
A.
vagus nerve (X)
B.
oculomotor nerve (III)
C.
facial nerve (VII)
D.
glossopharyngeal nerve (IX)
Which of these functions is NOT affected by parasympathetic stimulation?
A.
Secretion of insulin from the pancreas
B.
Secretion of thin, watery saliva
C.
Secretion of tears
D.
Secretion of sweat
The parasympathetic division ________________________.
A.
is responsible for the fight-or-flight response
B.
mediates many reflexes that regulate the digestive, urinary, and reproductive systems
C.
causes an increase in metabolism
D.
decreases blood flow to the skin
Write the name of each cranial nerve next to the Roman numeral representative of that nerve.
Then draw a line to link each nerve to its characteristics. Some characteristics may link to
VII.
more than one nerve, while other nerves may have more than one characteristic.
a. Mixed branch controls chewing and detects
sensations in lower jaw
b. Links the retina to the brain's visual cortex;
III
damage causes blindness in part or all of a visual
field
IV
c. Regulates voluntary movements of the eyelid and
eyeball
V
VI
d. Damage to sensory branch causes loss of sensation
in upper face
VII
VIII
e. Governs tongue movements, swallowing, and
gagging
IX
f. Damage causes tongue to deviate toward injured
side
X
XI
g. Damage here can cause a drooping eyelid and
dilated pupil
XII
h. Damage causes sagging facial muscles and
distorted sense of taste
i. Longest and most widely distributed cranial nerve
j. Concerned with hearing and balance
k. Plays a key role in many heart, lung, digestive,
and urinary…
Chapter 14 Solutions
ANATOMY+PHYSIOLOGY (LL) >CUSTOM PKG.<
Ch. 14.1 - Prob. 1WDYLCh. 14.1 - Prob. 2WDYLCh. 14.1 - Prob. 3WDYLCh. 14.1 - Prob. 4WDYLCh. 14.2 - Prob. 5WDYLCh. 14.3 - Prob. 6WDYLCh. 14.3 - Prob. 7WDYLCh. 14.3 - Prob. 8WDYLCh. 14.4 - Prob. 9WDYLCh. 14.4 - Prob. 10WDYL
Ch. 14.4 - Prob. 11WDYLCh. 14.4 - Prob. 12WDYLCh. 14.4 - Prob. 13WDYLCh. 14.5 - Prob. 14WDYLCh. 14.5 - Prob. 15WDYLCh. 14.5 - Prob. 16WDYLCh. 14.5 - Prob. 17WDYLCh. 14.5 - Prob. 18WDYLCh. 14.5 - Prob. 19WDYLCh. 14.5 - Which nerve might you have damaged if you have...Ch. 14.5 - Prob. 21WDYLCh. 14.5 - Prob. 22WDYLCh. 14.5 - Prob. 23WDYLCh. 14.6 - What are the four main properties of a reflex?Ch. 14.6 - Prob. 25WDYLCh. 14.6 - Prob. 26WDYLCh. 14.6 - What is the major difference between monosynaptic...Ch. 14.6 - Prob. 28WDYLCh. 14.6 - Identify the Golgi tendon reflex (which is an...Ch. 14.6 - Prob. 30WDYLCh. 14.7 - Prob. 31WDYLCh. 14 - Prob. 1DYKBCh. 14 - Prob. 2DYKBCh. 14 - Prob. 3DYKBCh. 14 - Prob. 4DYKBCh. 14 - Prob. 5DYKBCh. 14 - Prob. 6DYKBCh. 14 - Prob. 7DYKBCh. 14 - Prob. 8DYKBCh. 14 - Prob. 9DYKBCh. 14 - Prob. 10DYKBCh. 14 - Prob. 11DYKBCh. 14 - List the three gray matter horns on each side of...Ch. 14 - Compare the main differences between the posterior...Ch. 14 - Prob. 14DYKBCh. 14 - Prob. 15DYKBCh. 14 - Prob. 16DYKBCh. 14 - Prob. 17DYKBCh. 14 - Prob. 18DYKBCh. 14 - Prob. 19DYKBCh. 14 - Prob. 20DYKBCh. 14 - Prob. 1CALCh. 14 - Prob. 2CALCh. 14 - Prob. 3CALCh. 14 - Prob. 4CALCh. 14 - Prob. 5CALCh. 14 - Prob. 1CSLCh. 14 - Prob. 2CSLCh. 14 - Prob. 3CSL
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- Which of the following releases norepinephrine as a neurotransmitter? a. preganglionic sympathetic neurons b. preganglionic parasympathetic neurons c. postganglionic sympathetic neurons d. postganglionic parasympathetic neuronsarrow_forward____________ is a neuromodulator that blocks the conduction of pain signals by second-order spinal neurons.a. Endorphinb. Enkephalinc. Substance Pd. Acetylcholinee. Norepinephrinearrow_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
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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? _______________________arrow_forwardWhich of the following is NOT a reason why a reflex arc is faster than a normal nerve transmission? a. A reflex arc stimulates the motor neurons for an immediate reaction. b. A reflex arc does not send information to the brain to be processed. c. A reflex arc does not involve neurotransmitters. d. A reflex arc involves fewer neurons.arrow_forwardWhich statement is correct about reflexes? a. The patellar reflex tests the S1–S3 spinal nerve segments. b. A hypoactive reflex may indicate damage to the neuromuscular junction. c. The more hyperactive the reflex, the healthier the individual. d. A normal biceps reflex response is extension of the elbow when the biceps tendon is tapped.arrow_forward
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