Joint Structure and Function 5th Edition Levangie Test Bank
Test Bank for Joint Structure and Function A Comprehensive Analysis 5th Edition By Pamela K. Levangie, Cynthia C. Norkin, ISBN-10: 0803623623, ISBN-13: 9780803623620
Chapter 1: Biomechanical Applications to Joint Structure and Function
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. When you raise a cup to your mouth, a ____________________ of motion occurs at the elbow joint.
a. rotation only
b. translation only
c. translation and rotation
d. None of the above answers are correct.
____ 2. Hip abduction from an anatomic position would occur in which plane?
a. Sagittal
b. Frontal
c. Transverse
d. Horizontal
____ 3. Which of the following describes the phenomenon that when two forces come in contact, the second force will respond to the contact by the first force with equal magnitude and in the opposite direction?
a. Law of Inertia
b. Law of Reaction
c. Law of Acceleration
d. None of the above answers are correct.
____ 4. A ____________________ class lever is described by the fulcrum occurring at one end, followed by the resistance (load or weight) and then the force (effort).
a. First
b. Second
c. Third
d. Fourth
____ 5. In what type of lever is the M Ad always less than one?
a. First
b. Second
c. Third
d. Fourth
____ 6. Which of the following best describes torque?
a. The force a muscle generates
b. A force times the perpendicular distance from the line of force to the axis of rotation
c. A force times the distance measured along the lever from the line of force to the axis of rotation
d. The distance a muscle can move
Figure 1-7
____ 7. In Figure 1-7, the biceps is acting on the forearm. What is the force of the biceps, FB, given the following: moment arm of the biceps, d = 0.02 m and torque due to the biceps, TM = –5 Nm?
a. –0.1 N
b. 1,250 N
c. 5 N
d. –250 N
____ 8. As your patient abducts her shoulder from 90° to 120°, the moment arm decreases. If the torque from the deltoid remains constant, the force of the deltoid would ____________________ as the shoulder abducted.
a. remain the same
b. increase
c. decrease
d. become 0 N
Figure 1-9
____ 9. In Figure 1-9, at which position does the weight have the greatest torque capabilities on the knee joint?
a. A
b. B
c. C
d. D
____ 10. In Figure 1-9, at which position does the weight produce the greatest distractive on the knee joint?
a. A
b. B
c. C
d. D
Figure 1-11
____ 11. Which of the following represents the magnitude of each of the two component forces of the resultant, FR, in Figure 1-11?
a. F1 = 86.6 N, F2 = 50 N
b. F1 = 50 N, F2 = 60 N
c. F1 = 10 N, F2 = 90 N
d. F1 = 20.6 N, F2 = 79.4 N
____ 12. Considering the figure below, which of the following answers best represents the direction of the resultant force?
a.
b.
c.
d.
____ 13. Which of the following describes the phenomenon that causes a body moving at a constant speed to remain at that speed, unless it is acted upon by another body or force?
a. Impulse
b. Energy level
c. Law of Reaction
d. Law of Inertia
____ 14. Which of the following statements describes the relationship between joint reaction forces and the translational/rotatory component forces?
a. The contact force and translation component force run parallel to each other.
b. The contact force and rotatory component force run parallel to each other.
c. The shear force and translation component force run parallel to each other.
