Textbook Question
A neurosurgeon orders a spinal tap for a patient. Into what body cavity will the needle be inserted?
a. Ventral
b. Thoracic
c. Dorsal
d. Cranial
e. Pelvic
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1. Introduction to Anatomy & Physiology
Organization of the Body: Body Cavities
1:29 minutesProblem 14
Textbook Question
Match each numbered item with the most closely related lettered item. Use letters for answers in the spaces provided.
_____Divides thoracic and abdominopelvic body cavities
a. Study of tissues
b. Constant internal environment
c. Face-up position
d. Study of functions
e. Positive feedback
f. Organ system
g. Study of cells
h. Negative feedback
i. Serous membrane
j. Study of internal and external body structures
k. Diaphragm
l. Tissue
m. Peritoneal cavity
n. Organ
o. Face-down position
Verified step by step guidance1
Identify the key phrase in the question: 'Divides thoracic and abdominopelvic body cavities.' This refers to a structure that separates these two major body cavities.
Recall anatomical knowledge: The thoracic cavity is separated from the abdominopelvic cavity by a muscular structure known as the diaphragm.
Look through the provided lettered options to find the one that matches this structure. The option 'k. Diaphragm' corresponds to the muscle that divides these cavities.
Confirm that other options do not fit the description: for example, 'i. Serous membrane' refers to membranes lining cavities but does not divide them; 'm. Peritoneal cavity' is a specific cavity within the abdominopelvic region, not a dividing structure.
Therefore, the correct match for 'Divides thoracic and abdominopelvic body cavities' is 'k. Diaphragm.'
Verified video answer for a similar problem:This video solution was recommended by our tutors as helpful for the problem above
Video duration:
1mKey Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Body Cavities and Their Divisions
The human body is divided into major cavities, including the thoracic and abdominopelvic cavities. These cavities house vital organs and are separated by the diaphragm, a muscular partition. Understanding these divisions helps in locating organs and describing anatomical relationships.
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Introduction to Body Cavities
Anatomical Terminology and Positions
Anatomical terms describe body positions and orientations, such as face-up (supine) and face-down (prone). These terms provide a standardized way to describe locations and directions in the body, essential for clear communication in anatomy and physiology.
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Levels of Structural Organization
The body is organized into levels from cells to tissues, organs, and organ systems. Recognizing these levels helps in understanding how structures relate and function together, such as how tissues form organs like the diaphragm that separate body cavities.
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