HUMAN ANAT+CNCT+POLLEV LBCC >IC<
14th Edition
ISBN: 9781259349461
Author: McKinley
Publisher: MCG CUSTOM
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Chapter 16, Problem 10MC
Which statement is true about intercostal nerves?
| a. | They are formed from the posterior rami of spinal nerves. |
| b. | They form a thoracic plexus of nerves. |
| c. | They originate from the thoracic part of the spinal cord. |
| d. | They innervate the deep back muscles of the thoracic region. |
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Which of the following does not describe the spinal nerves?
A.They are created through a combination of dorsal and ventral roots.
B. They exit the vertebral column through intervertebral spaces.
C. Some are made up of only sensory fibers, while others are made up of motor fibers.
D. There are thirty-one spinal nerves. They are named based on where they exit the vertebral column.
Where do preganglionic fibers come from for the parasympathetic division of the autonomic nervous system?
A. sacral and coccyx region of the spinal cord
B. brain stem and cervical region of the spinal cordC. brain stem and sacral part of the spinal cord
D. thoracic and lumbar regions of the spinal cord
Where is the anterior (ventral) root located in the sequence of structures through which motor impulses pass as they descent from the brain and leve the spinal cord?
A. Between anterior (ventral) gray horn and spinal nerve
B. Between spinal nerve and posterior (dorsal) root ganglion
C. Between anterior (ventral) gray horn and posterior (dorsal) gray horn
D. Between white column and posterior (dorsal) gray horn
Chapter 16 Solutions
HUMAN ANAT+CNCT+POLLEV LBCC >IC<
Ch. 16 - Prob. 1WYLCh. 16 - Prob. 2WYLCh. 16 - What is the function of the denticulate ligaments?Ch. 16 - Prob. 4WYLCh. 16 - Prob. 5WYLCh. 16 - Prob. 6WYLCh. 16 - Prob. 7WYLCh. 16 - Prob. 8WYLCh. 16 - Prob. 9WYLCh. 16 - Prob. 10WYL
Ch. 16 - Prob. 11WYLCh. 16 - Prob. 12WYLCh. 16 - Prob. 13WYLCh. 16 - Prob. 14WYLCh. 16 - Match each numbered item with the most closely...Ch. 16 - Prob. 1MCCh. 16 - Prob. 2MCCh. 16 - Identify the meningeal layer immediately deep to...Ch. 16 - Axons cross from one side of the spinal cord to...Ch. 16 - The radial nerve originates from the ______...Ch. 16 - Prob. 6MCCh. 16 - Prob. 7MCCh. 16 - Prob. 8MCCh. 16 - Prob. 9MCCh. 16 - Which statement is true about intercostal nerves?...Ch. 16 - Prob. 1CRCh. 16 - Where is the epidural space? What is housed there?Ch. 16 - Prob. 3CRCh. 16 - Where are the cervical plexuses located, and what...Ch. 16 - Prob. 5CRCh. 16 - Prob. 6CRCh. 16 - What muscles do the tibial and common fibular...Ch. 16 - Prob. 8CRCh. 16 - What are the differences between withdrawal,...Ch. 16 - Where are the basal plates of the neural tube, and...Ch. 16 - Prob. 1DCRCh. 16 - Prob. 2DCR
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The intercostal nerves between the ribs arise from which spinal nerve plexus? a. cervical b. brachial c. lumbar d. sacral e. none of themarrow_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_forwardWhich region of gray matter in the spinal cord contains motor neurons that innervate skeletal muscles? a. ventral horn b. dorsal horn c. lateral horn d. lateral columnarrow_forward
- The skin on the posterior surface of the hand is supplied by thea. median nerve. c. ulnar nerve. e. radial nerve.b. musculocutaneous nerve. d. axillary nerve.arrow_forwardWhat term describes the inability to lift the arm abovethe level of the shoulder?a. paralysisb. paresisc. fasciculationd. fibrillationarrow_forwardSelect the statement that best describes the local circuitry of the spinal cord. a. There is no local circuitry within the spinal cord. b. Local circuits enable the same neurons to innervate both distal and proximal muscles. c. Neurons that innervate distal muscles are interconnected across the midline. d. None of the answers. e. Neurons that innervate proximal muscles are interconnected through many spiral cord segments.arrow_forward
- What is the function of the dorsal roots of the spinal cord?A. They receive sensory input.B. They control motor output.C. They convey information from the brain to the spinal cord.D. They convey information from the spinal cord to the brain.arrow_forwardWhich of the following describes the ascending tracts and the descending tracts of the spinal cord? A. The ascending tracts contain motor impulses, and the descending tracts contain sensory information.B. Both the ascending and descending tracts contain sensory information.C. The ascending tracts contain sensory information, and the descending tracts contain the motor impulses.D. Both the ascending and descending tracts contain motor impulses.arrow_forwardWhich type of reflex is the jaw-jerk reflex that is partof the cranial nerve exam for the vestibulocochlear nerve?a. visceral reflexb. withdrawal reflexc. stretch reflexarrow_forward
- Which cranial nerve is responsible for transmitting information bout sounds and head position and movement to the brain? a. optic nerve (CN II) b. olfactory nerve (CN I) c. vestibulocochlear nerve (CN VIII) d. facial nerve (CN VII)arrow_forwardMark the following statements about the spinal cord as true or false. If a statement is false, correct it to make a true statement.a. The spinal cord functions as a relay and processing station.b. The spinal cord extends from the foramen magnum to the level between the first and second lumbar vertebrae.c. The epidural space around the spinal cord is only a potential space.d. The posterior horn of spinal gray matter contains the cell bodies of motor neurons.e. The corticospinal tracts are the main sensory tracts in the spinal cordarrow_forwardThe _______ serve the skin and musculature of the posterior body trunk at their emergence from the spinal cord; while the ventral rami of spinal nerves pass anteriorly as the __________ to supply the muscles of intercostal spaces, and the skin and muscles of the anterior and lateral trunk. A. dorsal rami, ventral rami B. dorsal rami, intercostal nerves C. dorsal root, ventral root D. nerve plexues, spinal nerves The white matter of spinal cord is bisected by fissures: the more open ventral fissure is called the ventral _____________ and the dorsal one is the shallow dorsal ______________. A. funiculus, horn B. median fissure, median sulcus C. median sulcus, median fissure D. horn, funiculus n gray matter of spinal cord, the central butterfly shaped region, contains dorsal and anterior _____; on both lateral side of the spinal cord, there are the dorsal and ventral ______ for interneurons and sensory fibers that…arrow_forward
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