Question 1

Which type of connective tissue is primarily responsible for connecting bones at joints and providing tensile strength to ligaments and tendons?

Accepted Answer

Dense regular connective tissue

Question 2

A patient presents with limited movement in the pubic symphysis after a pelvic injury. Which type of joint is the pubic symphysis classified as?

Accepted Answer

Cartilaginous joint (symphysis)

Question 3

Which of the following best describes the movement allowed by a hinge joint, such as the elbow?

Accepted Answer

Uniaxial: flexion and extension

Question 4

Which joint type is characterized by a ball-shaped head fitting into a cup-like depression, allowing multiaxial movement?

Accepted Answer

Ball-and-socket joint

Question 5

A football player tears his anterior cruciate ligament (ACL). What is the primary function of the ACL in the knee joint?

Accepted Answer

Prevents anterior displacement and hyperextension of the tibia

Question 6

Which equation best represents the relationship between force ($$F$$), cross-sectional area ($$A$$), and stress ($$\sigma) in a $$tendon during muscle contraction?

Accepted Answer

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

Question 7

Which of the following is NOT a feature of synovial joints?

Accepted Answer

Bones joined by hyaline cartilage with no joint cavity

Question 8

During pronation and supination of the forearm, which type of synovial joint is primarily involved?

Accepted Answer

Pivot joint

Question 9

Which muscle attachment point is defined as the more movable bone during skeletal muscle contraction?

Accepted Answer

Insertion

Question 10

A patient is unable to abduct their arm at the shoulder. Which type of synovial joint is the shoulder, and what movement does it allow?

Accepted Answer

Ball-and-socket joint; multiaxial movement

Question 11

Which structure in the knee joint acts as a shock absorber and helps reduce friction between the femur and tibia?

Accepted Answer

Meniscus

Question 12

Which type of cartilage is found at the ends of most bones at movable joints and is the most common type in the body?

Accepted Answer

Hyaline cartilage

Question 13

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

Accepted Answer

Biaxial: flexion, extension, abduction, adduction

Question 14

Which ligament in the elbow encircles the head of the radius and retains it in contact with the radial notch of the ulna?

Accepted Answer

Annular ligament

Question 15

Which type of muscle tissue is striated, branched, and involuntary, and is found in the walls of the heart?

Accepted Answer

Cardiac muscle tissue

Question 16

Which joint classification is based on the amount of movement allowed, and what is the term for a freely movable joint?

Accepted Answer

Diarthrosis

Question 17

A dentist is examining the joint between a tooth and its socket. What is the name and classification of this joint?

Accepted Answer

Gomphosis; fibrous joint

Question 18

Which equation describes the torque ($$	au) $$produced at a joint by a muscle force ($$F) $$applied at a distance ($$r) $$from the joint axis?

Accepted Answer

$$	au = F 	imes r$$

Question 19

Which of the following is a real-life example of a saddle joint in the human body?

Accepted Answer

Thumb (carpometacarpal joint)

Question 20

Which connective tissue structure attaches muscle to bone and is described as 'rope-like'?

Accepted Answer

Tendon

Articulations (Joints) and Muscular System: Anatomy & Physiology Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard