Chapter 9, Articulations Video Solutions, Exploring Anatomy and Physiology in the Laboratory

Problem 1

An amphiarthrosis is defined as a
a. joint that allows no motion.
b. joint that is freely moveable.
c. joint with multiple axes of motion.
d. joint that allows some motion.

Alexander Burbelo

Numerade Educator

03:28

The main function of a fibrous joint is to
a. allow motion to occur between two bones.
b. provide stability between two bones.
c. unite two bones with cartilage.
d. allow some motion while still providing stability between two bones.
e. unite two bones with a synovial cavity.

Scott Rhodes

Numerade Educator

00:37

Problem 3

Synovial joints are surrounded by a/an
a. articular disc; serous fluid
b. joint capsule; synovial fluid
c. articular cartilage; serous fluid
d. articular disc; synovial fluid

Alexander Burbelo

Numerade Educator

01:38

Problem 4

Which of the following describes a hinge joint correctly?
a. The convex articular surface of one bone fits into a concave articular surface of another bone.
b. One bone rotates around another bone.
c. The flat articular surfaces of two bones glide past one another.
d. The rounded, ball-like end of one bone fits into a concave depression of another bone.

Qudsiya Anis

Numerade Educator

01:53

Problem 5

TruelFalse: Mark the following statements as true (T) or false (F). If the statement is false, correct it so it is a true statement.
_____ a. The articulating ends of the bones in a synovial joint are covered by articular cartilage.
_____ b. Bursae improve the fit between two bones in a synovial joint.
_____ c. The joint capsule of a synovial joint is lined with a synovial membrane.
_____ d. Articular discs provide a smooth, nearly frictionless surface for articulation.
_____ e. Fluid-filled sacs called ligaments often lie between tendons and the joint capsule of a synovial joint.

Asma Venkitta

Numerade Educator

02:23

Problem 6

How do nonaxial, uniaxial, biaxial, and multiaxial synovial joints differ?

Mariana Roldan

Numerade Educator

01:38

Problem 7

Which of the following correctly describes a pivot joint?
a. The convex articular surface of one bone fits into a concave articular surface of another bone.
b. One bone rotates around another bone.
c. The flat articular surfaces of two bones glide past one another.
d. The rounded, ball-like end of one bone fits into a concave depression of another bone.

Qudsiya Anis

Numerade Educator

01:59

Problem 8

Label the following parts of the knee joint in Figure $9.9 .$

Joanna Quigley

Numerade Educator

01:59

Problem 9

Label the following parts of the shoulder joint in Figure $9.10 .$

Joanna Quigley

Numerade Educator

05:34

Problem 10

Matching: Match the following terms with the correct description.
_____ Flexion
_____ Circumduction
_____ Adduction
_____ Extension
_____ Dorsiflexion
_____ Abduction
_____ Rotation
_____ Pronation
A. Movement of a body part toward the midline
B. Movement around a central axis
C. Turning the palm over to face down
D. Decreasing the angle between two bones
E. Movement of a body part away from the midline
F. Increasing the angle between two bones
G. Movement of the ankle that decreases the angle between the foot and leg
H. Movement in a circle

Trizia Isaac

Numerade Educator

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