$$MA = \frac{\text{effort arm}}{\text{load arm}}$$

Question 1

Which of the following is NOT a function of bone in the human body?

Accepted Answer

Production of digestive enzymes

Question 2

A patient presents with a greenstick fracture. Which statement best describes this type of fracture?

Accepted Answer

The bone is bent and partially breaks, common in children

Question 3

Which bone is the only facial bone that does NOT articulate with any other bone?

Accepted Answer

Hyoid

Question 4

During bone remodeling, which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone

Question 5

Which of the following structures is found in compact bone and is responsible for housing blood vessels and nerves?

Accepted Answer

Haversian (central) canal

Question 6

A patient suffers a fracture at the epiphyseal plate. What is the most likely consequence if the patient is still growing?

Accepted Answer

Premature closure of the growth plate, leading to stunted growth

Question 7

Which of the following joints allows for the greatest range of motion?

Accepted Answer

Ball and socket joint

Question 8

Which movement describes turning the sole of the foot medially?

Accepted Answer

Inversion

Question 9

Which of the following is a characteristic of synovial joints?

Accepted Answer

Contains a joint cavity filled with synovial fluid

Question 10

A patient is unable to flex their forearm at the elbow. Which muscle is most likely impaired?

Accepted Answer

Biceps brachii

Question 11

Which of the following bones is NOT part of the axial skeleton?

Accepted Answer

Femur

Question 12

Which structure in a long bone is responsible for producing blood cells?

Accepted Answer

Red bone marrow

Question 13

Which of the following best describes the difference between male and female pelvis?

Accepted Answer

Female pelvis is larger and more circular

Question 14

Which of the following formulas correctly represents the calculation of the mechanical advantage (MA) of a lever in the musculoskeletal system?

Accepted Answer

$$MA = \frac{	ext{effort arm}}{	ext{load arm}}$$

Question 15

Which of the following is the correct sequence of layers from superficial to deep in skeletal muscle connective tissue?

Accepted Answer

Epimysium, perimysium, endomysium

Question 16

Which type of cartilage is found at the ends of long bones in synovial joints?

Accepted Answer

Hyaline cartilage

Question 17

A football player suffers a torn anterior cruciate ligament (ACL). Which joint is affected?

Accepted Answer

Knee joint

Question 18

Which of the following movements increases the angle between two bones and moves them further apart?

Accepted Answer

Extension

Question 19

Which of the following best describes the function of canaliculi in compact bone?

Accepted Answer

They connect lacunae and allow for nutrient and waste exchange

Question 20

Which muscle tissue type is striated, involuntary, and found only in the heart?

Accepted Answer

Cardiac muscle

Skeletal and Muscular Systems: Structure, Function, and Anatomy

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