Which of the following lines the anterior one-third of the nasal cavity? Stratified squamous epithelium Simple cuboidal epithelium Pseudostratified ciliated columnar epithelium Simple squamous epithelium

Question

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Answer 1

Textbook Question

Chapter 1, Problem 1RQ

Which of the following lines the anterior one-third of the nasal cavity?

Stratified squamous epithelium

Simple cuboidal epithelium

Pseudostratified ciliated columnar epithelium

Simple squamous epithelium

Expert Solution & Answer

Summary Introduction

Introduction:

The respiratory system is one of the vital biological systems, segregated into the upper and lower respiratory system. In the upper respiratory system, nose is the outermost region comprised of the bone and cartilage. Nose is responsible for allowing air to enter the respiratory system.

Answer to Problem 1RQ

Correct answer:

Stratified squamous epithelium is the one which lines the anterior 1/3^rd of the nasal cavity.

Explanation of Solution

Explanation for the correct answer:

Option (a) is stratified squamous epithelium. The interior region of the nose, the nasal septum segregates the nasal cavity into two equal segments. Anteriorly, the nasal septum is made by the septal cartilage. Posteriorly, the nasal septum is made by the perpendicular plate of the ethmoid bone, as well as vomer. The stratified squamous epithelium is non-ciliated and it lines the anterior 1/3^rd of the nasal cavity while the posterior 2/3^rd of the nasal cavity is lined by the pseudostratified ciliated columnar epithelium. Hence, option (a) is the correct answer.

Explanation for the incorrect answers:

Option (b) is simple cuboidal epithelium. These comprise a single sheet of cube-shaped cells mainly found in the bronchioles. So, it is an incorrect answer.

Option (c) is pseudostratified ciliated columnar epithelium. These look stratified due to the presence of nuclei of the cells, which are situated at different levels. These have microscopic hair-like projections known as cilia, that extend from the outer region and it is found in the posterior 2/3^rd region. So, it is an incorrect answer.

Option (d) is simple squamous epithelium. This sheet of cells comprises thin and flattened cells having broad and thin nuclei. It is commonly found in the alveoli. So, it is an incorrect answer.

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

Conclusion

Hence, it can be concluded that the stratified squamous epithelium is found in the anterior 1/3^rd region.

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Answer 2

Textbook Question

Chapter 1, Problem 1RQ

Which of the following lines the anterior one-third of the nasal cavity?

Stratified squamous epithelium

Simple cuboidal epithelium

Pseudostratified ciliated columnar epithelium

Simple squamous epithelium

Expert Solution & Answer

Summary Introduction

Introduction:

The respiratory system is one of the vital biological systems, segregated into the upper and lower respiratory system. In the upper respiratory system, nose is the outermost region comprised of the bone and cartilage. Nose is responsible for allowing air to enter the respiratory system.

Answer to Problem 1RQ

Correct answer:

Stratified squamous epithelium is the one which lines the anterior 1/3^rd of the nasal cavity.

Explanation of Solution

Explanation for the correct answer:

Option (a) is stratified squamous epithelium. The interior region of the nose, the nasal septum segregates the nasal cavity into two equal segments. Anteriorly, the nasal septum is made by the septal cartilage. Posteriorly, the nasal septum is made by the perpendicular plate of the ethmoid bone, as well as vomer. The stratified squamous epithelium is non-ciliated and it lines the anterior 1/3^rd of the nasal cavity while the posterior 2/3^rd of the nasal cavity is lined by the pseudostratified ciliated columnar epithelium. Hence, option (a) is the correct answer.

Explanation for the incorrect answers:

Option (b) is simple cuboidal epithelium. These comprise a single sheet of cube-shaped cells mainly found in the bronchioles. So, it is an incorrect answer.

Option (c) is pseudostratified ciliated columnar epithelium. These look stratified due to the presence of nuclei of the cells, which are situated at different levels. These have microscopic hair-like projections known as cilia, that extend from the outer region and it is found in the posterior 2/3^rd region. So, it is an incorrect answer.

Option (d) is simple squamous epithelium. This sheet of cells comprises thin and flattened cells having broad and thin nuclei. It is commonly found in the alveoli. So, it is an incorrect answer.

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

Conclusion

Hence, it can be concluded that the stratified squamous epithelium is found in the anterior 1/3^rd region.

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Answer 3

Textbook Question

Chapter 1, Problem 1RQ

Which of the following lines the anterior one-third of the nasal cavity?

Stratified squamous epithelium

Simple cuboidal epithelium

Pseudostratified ciliated columnar epithelium

Simple squamous epithelium

Expert Solution & Answer

Summary Introduction

Introduction:

The respiratory system is one of the vital biological systems, segregated into the upper and lower respiratory system. In the upper respiratory system, nose is the outermost region comprised of the bone and cartilage. Nose is responsible for allowing air to enter the respiratory system.

Answer to Problem 1RQ

Correct answer:

Stratified squamous epithelium is the one which lines the anterior 1/3^rd of the nasal cavity.

Explanation of Solution

Explanation for the correct answer:

Option (a) is stratified squamous epithelium. The interior region of the nose, the nasal septum segregates the nasal cavity into two equal segments. Anteriorly, the nasal septum is made by the septal cartilage. Posteriorly, the nasal septum is made by the perpendicular plate of the ethmoid bone, as well as vomer. The stratified squamous epithelium is non-ciliated and it lines the anterior 1/3^rd of the nasal cavity while the posterior 2/3^rd of the nasal cavity is lined by the pseudostratified ciliated columnar epithelium. Hence, option (a) is the correct answer.

Explanation for the incorrect answers:

Option (b) is simple cuboidal epithelium. These comprise a single sheet of cube-shaped cells mainly found in the bronchioles. So, it is an incorrect answer.

Option (c) is pseudostratified ciliated columnar epithelium. These look stratified due to the presence of nuclei of the cells, which are situated at different levels. These have microscopic hair-like projections known as cilia, that extend from the outer region and it is found in the posterior 2/3^rd region. So, it is an incorrect answer.

Option (d) is simple squamous epithelium. This sheet of cells comprises thin and flattened cells having broad and thin nuclei. It is commonly found in the alveoli. So, it is an incorrect answer.

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

Conclusion

Hence, it can be concluded that the stratified squamous epithelium is found in the anterior 1/3^rd region.

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Answer 4

Textbook Question

Chapter 1, Problem 1RQ

Which of the following lines the anterior one-third of the nasal cavity?

Stratified squamous epithelium

Simple cuboidal epithelium

Pseudostratified ciliated columnar epithelium

Simple squamous epithelium

Expert Solution & Answer

Summary Introduction

Introduction:

The respiratory system is one of the vital biological systems, segregated into the upper and lower respiratory system. In the upper respiratory system, nose is the outermost region comprised of the bone and cartilage. Nose is responsible for allowing air to enter the respiratory system.

Answer to Problem 1RQ

Correct answer:

Stratified squamous epithelium is the one which lines the anterior 1/3^rd of the nasal cavity.

Explanation of Solution

Explanation for the correct answer:

Option (a) is stratified squamous epithelium. The interior region of the nose, the nasal septum segregates the nasal cavity into two equal segments. Anteriorly, the nasal septum is made by the septal cartilage. Posteriorly, the nasal septum is made by the perpendicular plate of the ethmoid bone, as well as vomer. The stratified squamous epithelium is non-ciliated and it lines the anterior 1/3^rd of the nasal cavity while the posterior 2/3^rd of the nasal cavity is lined by the pseudostratified ciliated columnar epithelium. Hence, option (a) is the correct answer.

Explanation for the incorrect answers:

Option (b) is simple cuboidal epithelium. These comprise a single sheet of cube-shaped cells mainly found in the bronchioles. So, it is an incorrect answer.

Option (c) is pseudostratified ciliated columnar epithelium. These look stratified due to the presence of nuclei of the cells, which are situated at different levels. These have microscopic hair-like projections known as cilia, that extend from the outer region and it is found in the posterior 2/3^rd region. So, it is an incorrect answer.

Option (d) is simple squamous epithelium. This sheet of cells comprises thin and flattened cells having broad and thin nuclei. It is commonly found in the alveoli. So, it is an incorrect answer.

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

Conclusion

Hence, it can be concluded that the stratified squamous epithelium is found in the anterior 1/3^rd region.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

The respiratory system is one of the vital biological systems, segregated into the upper and lower respiratory system. In the upper respiratory system, nose is the outermost region comprised of the bone and cartilage. Nose is responsible for allowing air to enter the respiratory system.

Answer to Problem 1RQ

Correct answer:

Stratified squamous epithelium is the one which lines the anterior 1/3^rd of the nasal cavity.

Explanation of Solution

Explanation for the correct answer:

Option (a) is stratified squamous epithelium. The interior region of the nose, the nasal septum segregates the nasal cavity into two equal segments. Anteriorly, the nasal septum is made by the septal cartilage. Posteriorly, the nasal septum is made by the perpendicular plate of the ethmoid bone, as well as vomer. The stratified squamous epithelium is non-ciliated and it lines the anterior 1/3^rd of the nasal cavity while the posterior 2/3^rd of the nasal cavity is lined by the pseudostratified ciliated columnar epithelium. Hence, option (a) is the correct answer.

Explanation for the incorrect answers:

Option (b) is simple cuboidal epithelium. These comprise a single sheet of cube-shaped cells mainly found in the bronchioles. So, it is an incorrect answer.

Option (c) is pseudostratified ciliated columnar epithelium. These look stratified due to the presence of nuclei of the cells, which are situated at different levels. These have microscopic hair-like projections known as cilia, that extend from the outer region and it is found in the posterior 2/3^rd region. So, it is an incorrect answer.

Option (d) is simple squamous epithelium. This sheet of cells comprises thin and flattened cells having broad and thin nuclei. It is commonly found in the alveoli. So, it is an incorrect answer.

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

Conclusion

Hence, it can be concluded that the stratified squamous epithelium is found in the anterior 1/3^rd region.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

The respiratory system is one of the vital biological systems, segregated into the upper and lower respiratory system. In the upper respiratory system, nose is the outermost region comprised of the bone and cartilage. Nose is responsible for allowing air to enter the respiratory system.

Answer to Problem 1RQ

Correct answer:

Stratified squamous epithelium is the one which lines the anterior 1/3^rd of the nasal cavity.

Explanation of Solution

Explanation for the correct answer:

Option (a) is stratified squamous epithelium. The interior region of the nose, the nasal septum segregates the nasal cavity into two equal segments. Anteriorly, the nasal septum is made by the septal cartilage. Posteriorly, the nasal septum is made by the perpendicular plate of the ethmoid bone, as well as vomer. The stratified squamous epithelium is non-ciliated and it lines the anterior 1/3^rd of the nasal cavity while the posterior 2/3^rd of the nasal cavity is lined by the pseudostratified ciliated columnar epithelium. Hence, option (a) is the correct answer.

Explanation for the incorrect answers:

Option (b) is simple cuboidal epithelium. These comprise a single sheet of cube-shaped cells mainly found in the bronchioles. So, it is an incorrect answer.

Option (c) is pseudostratified ciliated columnar epithelium. These look stratified due to the presence of nuclei of the cells, which are situated at different levels. These have microscopic hair-like projections known as cilia, that extend from the outer region and it is found in the posterior 2/3^rd region. So, it is an incorrect answer.

Option (d) is simple squamous epithelium. This sheet of cells comprises thin and flattened cells having broad and thin nuclei. It is commonly found in the alveoli. So, it is an incorrect answer.

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

Conclusion

Hence, it can be concluded that the stratified squamous epithelium is found in the anterior 1/3^rd region.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

The respiratory system is one of the vital biological systems, segregated into the upper and lower respiratory system. In the upper respiratory system, nose is the outermost region comprised of the bone and cartilage. Nose is responsible for allowing air to enter the respiratory system.

Answer 12

Answer to Problem 1RQ

Correct answer:

Stratified squamous epithelium is the one which lines the anterior 1/3^rd of the nasal cavity.

Answer 13

Explanation of Solution

Explanation for the correct answer:

Option (a) is stratified squamous epithelium. The interior region of the nose, the nasal septum segregates the nasal cavity into two equal segments. Anteriorly, the nasal septum is made by the septal cartilage. Posteriorly, the nasal septum is made by the perpendicular plate of the ethmoid bone, as well as vomer. The stratified squamous epithelium is non-ciliated and it lines the anterior 1/3^rd of the nasal cavity while the posterior 2/3^rd of the nasal cavity is lined by the pseudostratified ciliated columnar epithelium. Hence, option (a) is the correct answer.

Explanation for the incorrect answers:

Option (b) is simple cuboidal epithelium. These comprise a single sheet of cube-shaped cells mainly found in the bronchioles. So, it is an incorrect answer.

Option (c) is pseudostratified ciliated columnar epithelium. These look stratified due to the presence of nuclei of the cells, which are situated at different levels. These have microscopic hair-like projections known as cilia, that extend from the outer region and it is found in the posterior 2/3^rd region. So, it is an incorrect answer.

Option (d) is simple squamous epithelium. This sheet of cells comprises thin and flattened cells having broad and thin nuclei. It is commonly found in the alveoli. So, it is an incorrect answer.

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