Question 1

Which of the following best describes the movement allowed by a hinge synovial joint?

Accepted Answer

Flexion and extension in one plane

Question 2

A patient presents with an inability to close their mouth after a blow to the jaw. Which anatomical feature of the temporomandibular joint (TMJ) most likely contributes to this dislocation?

Accepted Answer

Shallow mandibular fossa

Question 3

Which of the following synovial joint types allows the greatest range of motion?

Accepted Answer

Ball-and-socket

Question 4

The shoulder (glenohumeral) joint sacrifices stability for mobility. Which structure provides the most significant stabilization to this joint?

Accepted Answer

Tendons of the rotator cuff muscles

Question 5

A football player sustains a lateral blow to the extended knee. Which combination of injuries is referred to as the 'unhappy triad'?

Accepted Answer

Ruptured ACL, ruptured tibial collateral ligament, torn medial meniscus

Question 6

Which equation best represents the relationship between force ($F$), area ($A$), and pressure ($P$) in the context of vertical force absorption by the knee joint?

Accepted Answer

$P = \frac{F}{A}$

Question 7

Which ligament prevents forward sliding of the tibia and hyperextension of the knee?

Accepted Answer

Anterior cruciate ligament (ACL)

Question 8

A patient complains of ear and face pain, popping sounds when opening the mouth, and joint stiffness. Which condition is most likely?

Accepted Answer

Temporomandibular joint (TMJ) disorder

Question 9

Which of the following is NOT a feature that contributes to the stability of the hip (coxal) joint?

Accepted Answer

Slack ligamentum teres

Question 10

Which movement is possible at the elbow joint?

Accepted Answer

Flexion and extension

Question 11

A runner suddenly changes direction and feels a 'pop' in the knee. Which structure is most likely injured?

Accepted Answer

Anterior cruciate ligament (ACL)

Question 12

Which of the following best explains why the shoulder joint is more prone to dislocation than the hip joint?

Accepted Answer

The glenoid cavity is shallow and holds only one-third of the humeral head

Question 13

Which structure encircles the shoulder joint and is composed of four muscle tendons?

Accepted Answer

Rotator cuff

Question 14

Which joint is classified as a modified hinge joint and allows both depression/elevation and side-to-side grinding movements?

Accepted Answer

Temporomandibular joint (TMJ)

Question 15

Which of the following is a plane synovial joint that allows gliding motion during flexion?

Accepted Answer

Femoropatellar joint

Question 16

Which ligament is slack during most hip movements and is not important for joint stability, but contains an artery supplying the femur head?

Accepted Answer

Ligamentum teres

Question 17

A physician tests the knee-jerk reflex by tapping which ligament?

Accepted Answer

Patellar ligament

Question 18

Which equation would you use to calculate the torque ($	au$) produced by a muscle acting on a joint, given the force ($F$) and the distance from the axis of rotation ($r$)?

Accepted Answer

$	au = F 	imes r$

Question 19

Which of the following is a common treatment for TMJ disorder caused by teeth grinding?

Accepted Answer

Use of a bite plate

Question 20

Which joint is most likely to be injured in runners who frequently change direction, and what is the most common structure affected?

Accepted Answer

Knee joint; anterior cruciate ligament (ACL)

Question 21

Which of the following statements about the knee joint is correct?

Accepted Answer

It consists of three joints surrounded by a single cavity

Chapter 8: Joints – Synovial Joint Types and Selected Major Joints

Study Guide - Practice Questions

Study Guide - Flashcards