Question 1

Which of the following best describes the process occurring in the zone of hypertrophy within the epiphyseal plate during bone growth?

Accepted Answer

Chondrocytes enlarge and their lacunae expand, contributing to bone lengthening.

Question 2

A patient presents with pain and swelling in the shoulder due to repetitive overhead movements. Which anatomical structure is most likely inflamed, and what is its primary function?

Accepted Answer

The bursa; reduces friction between moving structures such as tendons and bones.

Question 3

Which of the following correctly matches a bone with a significant landmark and its anatomical location?

Accepted Answer

Occipital bone – foramen magnum – base of the skull

Question 4

A cross-sectional view of a skeletal muscle reveals bundles of muscle fibers surrounded by connective tissue. What is the name of this bundle, and which connective tissue layer surrounds it?

Accepted Answer

Fascicle; perimysium

Question 5

Which of the following best describes the distinguishing microscopic feature of cardiac muscle tissue?

Accepted Answer

Intercalated discs connecting branched cells

Question 6

During a muscle twitch, which phase on a myogram corresponds to the time when calcium ions are actively pumped back into the sarcoplasmic reticulum and muscle tension decreases?

Accepted Answer

Relaxation phase

Question 7

Which of the following equations correctly represents the relationship between force ($$F$$), mass ($$m$$), and acceleration ($$a) as it $$applies to muscle contraction when lifting a weight?

Accepted Answer

$$F = m 	imes a$$

Question 8

A football player tears the anterior cruciate ligament (ACL) during a game. Which bones are directly connected by this ligament?

Accepted Answer

Femur and tibia

Question 9

Which muscle is responsible for flexing the forearm at the elbow and is characterized by two heads originating from the scapula?

Accepted Answer

Biceps brachii

Question 10

Which of the following statements about sarcomere structure is correct?

Accepted Answer

Thick filaments are composed primarily of myosin.

Question 11

A patient is diagnosed with bursitis in the knee. Which of the following best explains why bursae are especially prone to inflammation in joints like the knee and shoulder?

Accepted Answer

They are located in areas of high friction between tendons, ligaments, and bones.

Question 12

Which ligament stabilizes the lateral aspect of the knee joint and is commonly injured during sports involving sudden changes in direction?

Accepted Answer

Fibular collateral ligament (LCL)

Question 13

Which muscle is part of the quadriceps femoris group and is primarily responsible for extending the knee?

Accepted Answer

Rectus femoris

Question 14

Which of the following best describes the function of the glenoid fossa in the shoulder joint?

Accepted Answer

It articulates with the head of the humerus to form the glenohumeral joint.

Question 15

Which of the following muscles is responsible for compressing the cheeks (as in blowing a trumpet) and is located in the head and neck region?

Accepted Answer

Buccinator

Question 16

Which of the following correctly identifies the origin and insertion of the sternocleidomastoid muscle?

Accepted Answer

Origin: clavicle and sternum; Insertion: mastoid process of temporal bone

Question 17

Which of the following best describes the role of the acetabulum in the hip joint?

Accepted Answer

It forms the socket that articulates with the head of the femur.

Question 18

Which phase of a muscle twitch, as shown on a myogram, immediately follows the application of a stimulus and is characterized by no visible contraction?

Accepted Answer

Latent period

Question 19

Which of the following muscles is located in the lower limb and is primarily responsible for plantar flexion of the foot?

Accepted Answer

Gastrocnemius

Question 20

Which connective tissue covering surrounds an individual muscle fiber?

Accepted Answer

Endomysium

Lab Practical 2 Study Notes: Bones, Joints, and Muscles (Chapters 6–10)

Study Guide - Practice Questions

Study Guide - Flashcards