Wrist and Hand Practice Questions
Which nerve runs through the carpal tunnel? A- Median Nerve B- Radial Nerve C-Musculocutaneous Nerve D- Ulnar Nerve
A- Median Nerve
What are the structures that run through the carpal tunnel? A. 4 FDS, 4 FDP, FPL, median nerve B. 4 FDS, 4 FDP, FPL, radial nerve C. 4 FDS, 4 FDP, FPL, ulnar nerve
A. 4 FDS, 4 FDP, FPL, median nerve
Which muscle has two innervations on the thumb side? A. Flexor Policis Brevis B. Flexor digitorium profundus C. Flexor Policis Longus D. Flexor Carpi Radialis
A. Flexor Policis Brevis
Which ligament is important to Guyon's Canal? A. Radial Collateral Ligament B. Volar Carpal Ligament C. Medial Carpal Ligament D. Ulnar Collateral Ligament
B. Volar Carpal Ligament
Each row of the carpal bones provide ____% of movement of the wrist. A: 25 B: 50 C: 15 D: 10
B: 50
How many structures run through the carpal tunnel? A. 4 B. 6 C. 8 D. 10
D. 10
The extensor retinaculum has how many compartments? A. 5 B. 6 C. 8 D. 10
D. 10
T/F: The TFCC causes pain after a wrist fracture.
TRUE
T/F: The Thenar muscles on the thumb assist with opposition.
TRUE
T/F During MCP Flexion the hood moves distally
True
T/F Handle Bar Syndrome occurs with the ulnar nerve at Guyon's canal
True
T/F: Each row of the carpal bones gives 50% of the wrist motion.
True
T/F: The distal transverse arch is an arch of the hand
True
T/F: The hand is divided into 3 parts: wrist, metacarpals, and digits.
True
T/F: The radiocarpal joint is a synovial joint
True
Thumb movements are primarily by CMC joint.
True
True or False: Midcarpel joint has 2 DOF.
True
True or False: Radiocarpel Joint is a pivot joint.
True
True or false: Pisiform is considered a sesamoid bone.
True
If there is tenderness when palpating in the anatomical snuff box, what bone could be injured? a. Scaphoid b. Trapezium c. Trapezoid d. Pisiform
a. Scaphoid
The carpal bones consist of what 2 rows? a.Proximal and Distal b.Medial and Lateral c. Superior and Inferior d. None of the above
a.Proximal and Distal
Which nerve runs through the Guyon's Canal? A-Radial Nerve B-Median Nerve C- Ulnar Nerve D- all of the above
C- Ulnar Nerve
How many carpal bones do babies gain per year? A. 2 B. 3 C. 1 D. 5
C. 1
The extensor retinaculum forms ____ tunnels a. 3 b. 7 c. 6 d. 2
C. 6
Which one is a deformity of the extensor hood? A. Goose neck deformity B. Giraffe neck deformity C. Swan neck deformity
C. Swan neck deformity
The 4th finger is innervated by _ A. Ulnar nerve B. Median nerve C. Ulnar nerve on the medial side of the finger and median nerve on the lateral side of the finger D. Ulnar nerve on the lateral side of the finger and median nerve on the medial side of the finger
C. Ulnar nerve on the medial side of the finger and median nerve on the lateral side of the finger
What carpal bone is part of the saddle joint of the thumb? A: scaphoid B: trapezoid C: trapezium D: lunate
C: trapezium
T/F: The longitudinal arch passes through the center of the capitate as well as the 3rd and 4th metacarpal.
FALSE.
T/F: A child develops 2 carpal bones per year
False
T/F: The scaphoid is the central bony landmark of the transverse arch.
False
True or false?: The thumb lacks a phalange and only has P1 & P2
False
T//F: The flexor retinaculum is the "floor" of the carpal tunnel.
False- roof
T/F: The thumb has proximal, middle, and distal phalanges.
False.
The hand is compromised of how many bones? a. 20 b. 27 c. 29 d. 17
b. 27
Which of the following structure do not run through the carpal tunnel? a. Flexor digitorum profundus b. Ulnar nerve c. Flexor digitorum superficialis d. Flexor pollicis longus
b. Ulnar nerve
Which carpal bone serves as the central landmark for the proximal arch? a. Lunate b. Hamate c. Capitate d. Scaphoid
c. Capitate
The Proximal row consists of what carpal bones? a.Trapezium, Trapezoid, Capitate, and Hamate b. Scaphoid, Lunate, Trapezium, and Pisiform c. Scaphoid, Lunate, Triquetrum, and Pisiform d. Trapezium, Triquetrum, Capitate, and Hamate
c. Scaphoid, Lunate, Triquetrum, and Pisiform
The palmar radoiocarpal ligament a. resists flexion b. resists valgus stress c. resists varus stress d. resists extension
d. resists extension
