The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

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Answer 1

Question

Chapter 12, Problem 1RAC

Summary Introduction

Introduction:

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Expert Solution & Answer

Answer to Problem 1RAC

The correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Explanation of Solution

Explanation/justification for the correct answer:

Option (d) level of the foramen magnum to the second lumbar vertebra. The spinal cord is a very important structure that extends from the brain at the particular level of foramen magnum down to the second lumbar vertebra. It is relatively shorter than the vertebral column due to the lack of rapid growth during the developmental stages. So, the correct answer is option (c).

Explanation for incorrect answer:

Option (a) medulla oblongata to the coccyx. The spinal cord does not extend from medulla oblongata to the coccyx. So, this is an incorrect option.

Option (b) level of the third cervical vertebra to the coccyx. The extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. So, this is an incorrect answer.

Option (c) level of the axis to the lowest lumbar vertebra. The spinal cord does not extend from the level of the axis to the lowest lumbar vertebra. So, this is an incorrect answer.

Option (e) axis to the sacral hiatus. The extension of the spinal cord does not take place from the axis to the sacral hiatus. So, this is an incorrect answer.

Conclusion

Thus, an extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. Hence, the correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

Answer 2

Question

Chapter 12, Problem 1RAC

Summary Introduction

Introduction:

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Expert Solution & Answer

Answer to Problem 1RAC

The correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Explanation of Solution

Explanation/justification for the correct answer:

Option (d) level of the foramen magnum to the second lumbar vertebra. The spinal cord is a very important structure that extends from the brain at the particular level of foramen magnum down to the second lumbar vertebra. It is relatively shorter than the vertebral column due to the lack of rapid growth during the developmental stages. So, the correct answer is option (c).

Explanation for incorrect answer:

Option (a) medulla oblongata to the coccyx. The spinal cord does not extend from medulla oblongata to the coccyx. So, this is an incorrect option.

Option (b) level of the third cervical vertebra to the coccyx. The extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. So, this is an incorrect answer.

Option (c) level of the axis to the lowest lumbar vertebra. The spinal cord does not extend from the level of the axis to the lowest lumbar vertebra. So, this is an incorrect answer.

Option (e) axis to the sacral hiatus. The extension of the spinal cord does not take place from the axis to the sacral hiatus. So, this is an incorrect answer.

Conclusion

Thus, an extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. Hence, the correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

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Answer 3

Question

Chapter 12, Problem 1RAC

Summary Introduction

Introduction:

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Expert Solution & Answer

Answer to Problem 1RAC

The correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Explanation of Solution

Explanation/justification for the correct answer:

Option (d) level of the foramen magnum to the second lumbar vertebra. The spinal cord is a very important structure that extends from the brain at the particular level of foramen magnum down to the second lumbar vertebra. It is relatively shorter than the vertebral column due to the lack of rapid growth during the developmental stages. So, the correct answer is option (c).

Explanation for incorrect answer:

Option (a) medulla oblongata to the coccyx. The spinal cord does not extend from medulla oblongata to the coccyx. So, this is an incorrect option.

Option (b) level of the third cervical vertebra to the coccyx. The extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. So, this is an incorrect answer.

Option (c) level of the axis to the lowest lumbar vertebra. The spinal cord does not extend from the level of the axis to the lowest lumbar vertebra. So, this is an incorrect answer.

Option (e) axis to the sacral hiatus. The extension of the spinal cord does not take place from the axis to the sacral hiatus. So, this is an incorrect answer.

Conclusion

Thus, an extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. Hence, the correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

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Answer 4

Question

Chapter 12, Problem 1RAC

Summary Introduction

Introduction:

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Expert Solution & Answer

Answer to Problem 1RAC

The correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Explanation of Solution

Explanation/justification for the correct answer:

Option (d) level of the foramen magnum to the second lumbar vertebra. The spinal cord is a very important structure that extends from the brain at the particular level of foramen magnum down to the second lumbar vertebra. It is relatively shorter than the vertebral column due to the lack of rapid growth during the developmental stages. So, the correct answer is option (c).

Explanation for incorrect answer:

Option (a) medulla oblongata to the coccyx. The spinal cord does not extend from medulla oblongata to the coccyx. So, this is an incorrect option.

Option (b) level of the third cervical vertebra to the coccyx. The extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. So, this is an incorrect answer.

Option (c) level of the axis to the lowest lumbar vertebra. The spinal cord does not extend from the level of the axis to the lowest lumbar vertebra. So, this is an incorrect answer.

Option (e) axis to the sacral hiatus. The extension of the spinal cord does not take place from the axis to the sacral hiatus. So, this is an incorrect answer.

Conclusion

Thus, an extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. Hence, the correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 12, Problem 1RAC

Summary Introduction

Introduction:

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Expert Solution & Answer

Answer to Problem 1RAC

The correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Explanation of Solution

Explanation/justification for the correct answer:

Option (d) level of the foramen magnum to the second lumbar vertebra. The spinal cord is a very important structure that extends from the brain at the particular level of foramen magnum down to the second lumbar vertebra. It is relatively shorter than the vertebral column due to the lack of rapid growth during the developmental stages. So, the correct answer is option (c).

Explanation for incorrect answer:

Option (a) medulla oblongata to the coccyx. The spinal cord does not extend from medulla oblongata to the coccyx. So, this is an incorrect option.

Option (b) level of the third cervical vertebra to the coccyx. The extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. So, this is an incorrect answer.

Option (c) level of the axis to the lowest lumbar vertebra. The spinal cord does not extend from the level of the axis to the lowest lumbar vertebra. So, this is an incorrect answer.

Option (e) axis to the sacral hiatus. The extension of the spinal cord does not take place from the axis to the sacral hiatus. So, this is an incorrect answer.

Conclusion

Thus, an extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. Hence, the correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Answer 6

Chapter 12, Problem 1RAC

Summary Introduction

Introduction:

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Expert Solution & Answer

Answer to Problem 1RAC

The correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Explanation of Solution

Explanation/justification for the correct answer:

Option (d) level of the foramen magnum to the second lumbar vertebra. The spinal cord is a very important structure that extends from the brain at the particular level of foramen magnum down to the second lumbar vertebra. It is relatively shorter than the vertebral column due to the lack of rapid growth during the developmental stages. So, the correct answer is option (c).

Explanation for incorrect answer:

Option (a) medulla oblongata to the coccyx. The spinal cord does not extend from medulla oblongata to the coccyx. So, this is an incorrect option.

Option (b) level of the third cervical vertebra to the coccyx. The extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. So, this is an incorrect answer.

Option (c) level of the axis to the lowest lumbar vertebra. The spinal cord does not extend from the level of the axis to the lowest lumbar vertebra. So, this is an incorrect answer.

Option (e) axis to the sacral hiatus. The extension of the spinal cord does not take place from the axis to the sacral hiatus. So, this is an incorrect answer.

Conclusion

Thus, an extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. Hence, the correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Answer 7

Chapter 12, Problem 1RAC

Summary Introduction

Introduction:

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Answer 8

Expert Solution & Answer

Answer to Problem 1RAC

The correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Explanation/justification for the correct answer:

Option (d) level of the foramen magnum to the second lumbar vertebra. The spinal cord is a very important structure that extends from the brain at the particular level of foramen magnum down to the second lumbar vertebra. It is relatively shorter than the vertebral column due to the lack of rapid growth during the developmental stages. So, the correct answer is option (c).

Explanation for incorrect answer:

Option (a) medulla oblongata to the coccyx. The spinal cord does not extend from medulla oblongata to the coccyx. So, this is an incorrect option.

Option (b) level of the third cervical vertebra to the coccyx. The extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. So, this is an incorrect answer.

Option (c) level of the axis to the lowest lumbar vertebra. The spinal cord does not extend from the level of the axis to the lowest lumbar vertebra. So, this is an incorrect answer.

Option (e) axis to the sacral hiatus. The extension of the spinal cord does not take place from the axis to the sacral hiatus. So, this is an incorrect answer.

Answer 12

Conclusion

Thus, an extension of the spinal cord occurs from the level of the foramen magnum to the second lumbar vertebra. Hence, the correct answer is option (d) level of the foramen magnum to the second lumbar vertebra.

Answer 13

Ch. 12.1 - Prob. 1AYP Ch. 12.1 - Name the meninges surrounding the spinal cord....Ch. 12.1 - What is the thecal sac? What two structures hold...Ch. 12.1 - Describe the arrangement of gray arid white matter...Ch. 12.1 - Where are the cell bodies of somatic motor and...Ch. 12.1 - What kinds of neurons are in the dorsal roots, in...Ch. 12.2 - Prob. 7AYP Ch. 12.2 - Describe the operation of a gamma motor neuron.Ch. 12.2 - Prob. 9AYP Ch. 12.2 - Prob. 10AYP

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

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Introduction:

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Answer to Problem 1RAC

Explanation of Solution

Want to see more full solutions like this?

Chapter 12 Solutions

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Videos

Introduction: The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.

Answer to Problem 1RAC

Explanation of Solution

Want to see more full solutions like this?

Chapter 12 Solutions

Introduction:

The vertebral column is also referred to as the spinal column. It is a part of the body that is responsible for the protection of the spinal cord. It supports the head and the skull. The vertebrae are the parts of the vertebral column.