A&P Ch.1: Intro to the Human Body
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15 questions
Medicine & Health Sciences > Anatomy & Physiology
by Sean Valentine
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Question 1
The study of the structure of body parts is called anatomy.
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anatomy
Anatomy examines the form and structure of body parts and their relationships to one another.
Category: Ch1
Question 2
The study of how body parts function is called physiology.
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physiology
Physiology focuses on the function of body parts and how they work to support life.
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Question 3
The smallest living unit of the body is the cell.
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cell
Cells are the basic structural and functional units of all living organisms.
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Question 4
The body maintaining a stable internal environment is called homeostasis.
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homeostasis
Homeostasis is critical for survival and involves continuous monitoring and adjustments by the body.
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Question 5
A negative feedback loop works to reverse a change in the body.
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reverse
Negative feedback mechanisms detect a change and activate responses that bring conditions back toward the set point.
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Question 6
The standard body position used as a reference point is the anatomical position.
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anatomical
In the anatomical position, the body stands erect with palms facing forward and thumbs pointing away from the body.
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Question 7
The thoracic cavity is separated from the abdominopelvic cavity by the diaphragm.
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diaphragm
The diaphragm is a dome-shaped muscle that serves as the primary muscle of respiration.
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Question 8
The cranial cavity houses the brain.
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brain
The cranial cavity is formed by the bones of the skull and provides protection for the brain.
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Question 9
A sagittal plane divides the body into left and right parts.
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sagittal
A midsagittal (median) plane divides the body into equal left and right halves.
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Question 10
The term anterior refers to the front of the body.
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front
Anterior (ventral) describes a position toward the front surface of the body.
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Question 11
The term lateral means farther from the midline of the body.
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midline
Lateral is the opposite of medial, which means closer to the midline.
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Question 12
The serous membrane covering the lungs is called the pleura.
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pleura
The pleura has two layers: visceral (on the lung) and parietal (lining the thoracic wall), with fluid between them to reduce friction.
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Question 13
The central region of the thoracic cavity containing the heart is the mediastinum.
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mediastinum
The mediastinum also contains the great vessels, trachea, esophagus, and other structures.
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Question 14
The abdominopelvic cavity can be divided into nine regions or four quadrants.
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quadrants
The four-quadrant system divides the cavity using one horizontal and one vertical line through the umbilicus.
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Question 15
The term proximal means closer to the point of attachment to the trunk.
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proximal
Proximal and distal are used primarily for the limbs. The elbow is proximal to the wrist.
Category: Ch1
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