CMB 151 Module 1 Unit 3 Body Cavities And Planes

1.

The _____ plane divides the body vertically from head to foot.

Explanation
The sagittal plane is a vertical plane that divides the body into left and right halves. It runs from the head to the foot, dividing the body into symmetrical halves along the midline. This plane is commonly used in anatomical and medical studies to analyze structures and movements in the body.

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2.

The front of the body can be referred to by these terms (more than one answer may apply).

A.

Posterior
B.

Anterior
C.

Proximal
D.

Ventral

Correct Answer(s)
B. Anterior
D. Ventral

Explanation
The front of the body can be referred to as anterior and ventral. "Anterior" refers to the front or forward-facing side of the body, while "ventral" refers to the belly or underside of the body. Both terms are used to describe the front portion of the body in different anatomical contexts.

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3.

______ indicates that a part of the limb is close to the point of attachment to the body.

Correct Answer(s)
proximal

Explanation
The term "proximal" is used in anatomy to describe a body part that is closer to the point of attachment to the body. In this context, "proximal" indicates that a part of the limb is close to the point where it attaches to the body. This term is commonly used to describe the location of bones, muscles, and other structures in relation to the body.

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4.

This imaginary plane divides the top half of the body from the bottom half.

Correct Answer(s)
transverse

Explanation
The correct answer is "transverse" because the word "transverse" refers to something that is situated or extending across something else. In this context, the imaginary plane is dividing the top half of the body from the bottom half, which suggests that it is crossing or extending across the body. Therefore, "transverse" is the most appropriate term to describe this imaginary plane.

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5.

This structure divides the thoracic cavity from the ventral cavity.

Correct Answer(s)
diaphragm

Explanation
The diaphragm is a structure that separates the thoracic cavity from the ventral cavity. It is a dome-shaped muscle that plays a crucial role in the process of breathing. When it contracts, it flattens and moves downward, increasing the volume of the thoracic cavity and allowing for inhalation. When it relaxes, it returns to its dome shape, decreasing the volume of the thoracic cavity and causing exhalation. Therefore, the diaphragm acts as a barrier between the thoracic and ventral cavities, helping to maintain the separation and functioning of these two cavities.

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6.

The posterior is also referred to as the ____ plane

Correct Answer(s)
dorsal

Explanation
The posterior is also referred to as the dorsal plane. The term "dorsal" refers to the back or upper side of an organism. In anatomical terms, the dorsal plane is a vertical plane that divides the body into dorsal (back) and ventral (front) parts. Therefore, the correct answer is "dorsal" because it accurately describes the anatomical position of the posterior.

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7.

The _____ cavity contains the heart, lungs, and great blood vessels.

Correct Answer(s)
thoracic

Explanation
The thoracic cavity is the correct answer because it is the space in the chest that houses the heart, lungs, and great blood vessels. It is protected by the ribcage and is separated from the abdominal cavity by the diaphragm. The thoracic cavity plays a crucial role in respiration and circulation, as it contains vital organs involved in these processes.

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8.

The kidneys are contained in this cavity (more than one answer may apply)

A.

Thoracic
B.

Buccal
C.

Abdominopelvic
D.

Retroperitoneal

Correct Answer(s)
C. Abdominopelvic
D. Retroperitoneal

Explanation
The kidneys are located in the abdominopelvic cavity and are retroperitoneal. The abdominopelvic cavity is the area of the body that includes both the abdominal and pelvic regions. The kidneys are situated behind the peritoneum, which is the membrane that lines the abdominal cavity, making them retroperitoneal. Therefore, both the abdominopelvic and retroperitoneal answers apply to the location of the kidneys.

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Cmb 151 Module 1 Unit 3 Body Cavities And Planes

The _____ plane divides the body vertically from head to foot.

The front of the body can be referred to by these terms (more than one answer may apply).

______ indicates that a part of the limb is close to the point of attachment to the body.

This imaginary plane divides the top half of the body from the bottom half.

This structure divides the thoracic cavity from the ventral cavity.

The posterior is also referred to as the ____ plane

The _____ cavity contains the heart, lungs, and great blood vessels.

The kidneys are contained in this cavity (more than one answer may apply)