Laboratory Manual for Anatomy & Physiology (6th Edition) (Anatomy and Physiology)
Laboratory Manual for Anatomy & Physiology (6th Edition) (Anatomy and Physiology)
6th Edition
ISBN: 9780134206332
Author: Elaine N. Marieb, Lori A. Smith
Publisher: PEARSON
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Chapter 12, Problem 1MC
Summary Introduction

To determine:

The lobe in which primary motor cortex, Broca’s area, and premotor cortex are located:

  1. frontal

  2. parietal

  3. temporal

  4. occipital

Expert Solution & Answer
Check Mark

Answer to Problem 1MC

Correct answer:

(a) Frontal: Broca’s area, the primary motor cortex, and the premotor cortex are found in the frontal lobe of the brain.

Explanation for the correct answer:

The brain of an individual consists of four different lobes. The frontal lobe is one among the four lobes and is the largest of all. It is located in the front portion of the brain. The primary motor cortex is responsible for controlling the motor functions and voluntary movements of the body and broca’s area is involved in the production of speech. So option (a) is considered as a correct answer.

Explanation of Solution

Explanation for the incorrect answers:

Option (b) is given as parietal lobe. Whereas primary motor cortex, Broca’s area, and premotor cortex are located in the frontal lobe of the brain. Parietal lobe is characterized by the presence of brodmann area 3, the primary somatosensory cortical area. Thus this option is considered as an incorrect answer.

Option (c) is given as temporal lobe. Whereas primary motor cortex, Broca’s area, and premotor cortex are located in the frontal lobe of the brain. Temporal lobe consists the hippocampus that is critical for long term memory. Thus this option is considered as an incorrect answer.

Option (d) is given as occipital lobe. Whereas primary motor cortex, Broca’s area, and premotor cortex are located in the frontal lobe of the brain. Occipital lobe acts as visual processing center of the brain and consist most of the anatomical region of visual cortex. Thus this option is considered as an incorrect answer.

Hence, option (b), (c) and (d) are considered as incorrect options.

Conclusion

Thus it is concluded that frontal lobe is one among the four lobes of the brain and consists primary motor cortex, Broca’s area, and premotor cortex. The primary motor cortex is responsible for controlling the motor functions and voluntary movements of the body and broca’s area is involved in the production of speech.

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Select the best answer or answers from the choices given: The primary motor cortex, Broca’s area, and the premotor cortex are located in which lobe? (a) frontal, (b) parietal, (c) temporal, (d) occipital.
stimulation of a discrete region in a cerebral gyrus using weak electrical shocks causes twitching of the thumb. which of the following cerebral gyri is most likely involved? A) inferior frontal B) middle frontal C) precental D) postcentral E) supplemental motor area
(a) Make a rough drawing of the lateral aspect of the left cerebral hemisphere. (b) You may be thinking, “But I just can’t draw!” So, name the hemisphere involved with most people’s ability to draw. (c) On your drawing, locate the following areas and provide the major function of each: primary motor cortex, premotor cortex, somatosensory association cortex, primary somatosensory cortex, visual and auditory areas, prefrontal cortex, Wernicke’sand Broca’s areas.

Chapter 12 Solutions

Laboratory Manual for Anatomy & Physiology (6th Edition) (Anatomy and Physiology)

Ch. 12.4 - Prob. 11CYUCh. 12.5 - Prob. 12CYUCh. 12.6 - The limbic system is sometimes called the...Ch. 12.6 - When Taylor begins to feel drowsy while driving,...Ch. 12.7 - Name three factors that can enhance transfer of...Ch. 12.7 - Prob. 16CYUCh. 12.7 - Which two states of consciousness are between...Ch. 12.7 - During which sleep stage are most skeletal muscles...Ch. 12.8 - Prob. 19CYUCh. 12.8 - A brain surgeon is about to make an incision. Name...Ch. 12.9 - Prob. 21CYUCh. 12.9 - Prob. 22CYUCh. 12.10 - Prob. 23CYUCh. 12.10 - Trevor was tackled while playing football. After...Ch. 12.11 - Where are the cell bodies of the first-, second-,...Ch. 12.11 - Prob. 26CYUCh. 12.11 - Figure 12.32 shows both tracts and nerves, as well...Ch. 12 - Prob. 1MCCh. 12 - A patient has suffered a cerebral hemorrhage that...Ch. 12 - Choose the correct term from the key to respond to...Ch. 12 - The innermost layer of the meninges, delicate and...Ch. 12 - Prob. 3MCCh. 12 - Which of the following tracts convey vibration and...Ch. 12 - Destruction of the ventral horn cells of the...Ch. 12 - Prob. 8MCCh. 12 - Prob. 9MCCh. 12 - A professor unexpectedly blew a loud horn in his...Ch. 12 - Identify the stage of sleep described by using...Ch. 12 - All of the following descriptions refer to dorsal...Ch. 12 - Prob. 13SAQCh. 12 - (a) What is the advantage of having a cerebrum...Ch. 12 - (a) Make a rough drawing of the lateral aspect of...Ch. 12 - Prob. 16SAQCh. 12 - (a) What is the function of the basal nuclei? (b)...Ch. 12 - Explain how the cerebellum is physically connected...Ch. 12 - Describe the role of the cerebellum in maintaining...Ch. 12 - Prob. 20SAQCh. 12 - (a) Localize the reticular formation in the brain....Ch. 12 - Prob. 22SAQCh. 12 - Prob. 23SAQCh. 12 - Compare and contrast short-term memory (STM) and...Ch. 12 - Define memory consolidation.Ch. 12 - List four ways in which the CNS is protected.Ch. 12 - Prob. 27SAQCh. 12 - Prob. 28SAQCh. 12 - (a) Define concussion and contusion. (b) Why does...Ch. 12 - Describe the spinal cord, depicting its extent,...Ch. 12 - How do the types of motor activity controlled by...Ch. 12 - Describe the functional problems that would be...Ch. 12 - Prob. 33SAQCh. 12 - How do the conditions paraplegia, hemiplegia, and...Ch. 12 - Prob. 35SAQCh. 12 - 39-Year-Old Female with Traumatic Brain Injury...Ch. 12 - 39-Year-Old Female with Traumatic Brain Injury...Ch. 12 - 39-Year-Old Female with Traumatic Brain Injury...Ch. 12 - 39-Year-Old Female with Traumatic Brain Injury...Ch. 12 - 39-Year-Old Female with Traumatic Brain Injury...
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