Anatomy: Structural and Functional Organization

Podcast

Play an AI-generated podcast conversation about this lesson

Download our mobile app to listen on the go

Get App

Questions and Answers

Which of the following lists represents the levels of structural organization from simplest to most complex?

Chemical, cell, tissue, organelle, organ system, organ, organism
Organelle, chemical, cell, tissue, organ, organ system, organism
Organism, organ system, organ, tissue, cell, organelle, chemical
Chemical, organelle, cell, tissue, organ, organ system, organism (correct)

In anatomical terms, what does 'anterior' refer to?

Further from the midline of the body
Closer to the back of the body
Closer to the front of the body (correct)
Closer to the midline of the body

Using directional terms, the elbow is considered what to the wrist?

Proximal (correct)
Lateral
Superficial
Distal

Which plane divides the body into anterior and posterior parts?

Frontal plane (A) Signup and view all the answers

What type of movement decreases the angle of a joint?

Flexion (A) Signup and view all the answers

What type of movement is illustrated when a person lifts their arm away from the midline of their body?

Abduction (C) Signup and view all the answers

Which type of tissue connects bones to other bones?

Ligaments (D) Signup and view all the answers

What is the primary role of collagen fibers within connective tissue?

To provide high tensile strength (A) Signup and view all the answers

Which of the following properties is associated with elastic fibers in connective tissue?

Ability to rebound after stretching (D) Signup and view all the answers

What characteristic is unique to blood as a connective tissue?

It transports nutrients and waste. (A) Signup and view all the answers

What is the functional significance of trabeculae in spongy bone?

They create an internal network for weight distribution. (D) Signup and view all the answers

Which component of bone provides flexible strength and resilience?

Collagen (A) Signup and view all the answers

Which type of bone is primarily compact with smaller amounts of spongy bone?

Long bones (A) Signup and view all the answers

What is the role of the periosteum in a long bone?

To act as an anchor for tendons and ligaments (C) Signup and view all the answers

What is the term for the process of bone formation?

Ossification (A) Signup and view all the answers

In intramembranous ossification, what type of tissue is replaced by bone?

Fibrous membrane (B) Signup and view all the answers

Which type of bone is formed through intramembranous ossification?

Flat bones (A) Signup and view all the answers

In endochondral ossification, what tissue serves as the initial model for bone development?

Hyaline cartilage (A) Signup and view all the answers

According to Wolff's Law, bone will remodel in response to:

Forces and demands placed upon it (B) Signup and view all the answers

Which of the following is a key characteristic of bone remodeling?

It involves a constant balance between deposition and resorption (B) Signup and view all the answers

What is the primary function of osteoclasts in bone remodeling?

To resorb bone (C) Signup and view all the answers

Which of the following best describes a synarthrotic joint?

Immovable (A) Signup and view all the answers

Which structural class of joints is characterized by a joint cavity?

Synovial (B) Signup and view all the answers

What type of fibrous joint is exemplified by the interosseous membrane between the radius and ulna?

Syndesmosis (A) Signup and view all the answers

What is the primary movement allowed by a hinge joint?

Flexion and extension (C) Signup and view all the answers

Flashcards

Chemical Level

The simplest form of matter; atoms combined in multiple ways.

Organelle

Groups of molecules that form structures within cells (e.g., Mitochondria).