Q: Which of the following equations correctly represents the relationship between the number of phalanges in one hand and the total number in both hands?

$$n_{total} = 2 \times n_{hand}$$

Question 1

Which of the following bones is part of the appendicular skeleton?

Accepted Answer

Scapula

Question 2

A patient suffers a fracture to the lateral bone of the forearm. Which bone is most likely affected?

Accepted Answer

Radius

Question 3

Which of the following joints is classified as a synarthrosis?

Accepted Answer

Suture between skull bones

Question 4

The glenoid cavity is a feature of which bone, and what is its primary function?

Accepted Answer

Scapula; articulates with the head of the humerus

Question 5

Which movement describes decreasing the angle between two bones at a joint?

Accepted Answer

Flexion

Question 6

A football player injures the ligament connecting the femur to the tibia on the lateral side of the knee. Which ligament is most likely damaged?

Accepted Answer

Lateral collateral ligament

Question 7

Which of the following best describes the function of the menisci in the knee joint?

Accepted Answer

Act as shock absorbers and improve fit between femur and tibia

Question 8

Which of the following is a correct pairing of carpal bone and its location?

Accepted Answer

Scaphoid; proximal row, lateral side

Question 9

A patient presents with limited movement at the pubic symphysis. What type of joint is this, and what is its functional classification?

Accepted Answer

Cartilaginous; amphiarthrosis

Question 10

Which of the following movements is an example of abduction?

Accepted Answer

Raising the arm laterally away from the body

Question 11

Which bone articulates with the acetabulum to form the hip joint?

Accepted Answer

Femur

Question 12

A patient is unable to supinate their forearm. Which joint is most likely affected?

Accepted Answer

Proximal radio-ulnar joint

Question 13

Which of the following best describes the difference between the true pelvis and the false pelvis?

Accepted Answer

True pelvis contains pelvic organs; false pelvis supports abdominal organs

Question 14

Which of the following equations correctly represents the relationship between the number of phalanges in one hand and the total number in both hands?

Accepted Answer

$$n_{total} = 2 	imes n_{hand}$$

Question 15

Which of the following is a function of the clavicle?

Accepted Answer

Acts as a strut to keep the scapula in position

Question 16

A gymnast lands awkwardly and fractures the bone that forms the heel. Which bone is most likely fractured?

Accepted Answer

Calcaneus

Question 17

Which of the following ligaments stabilizes the head of the femur within the acetabulum?

Accepted Answer

Ligamentum teres

Question 18

Which of the following best describes circumduction?

Accepted Answer

Movement of a limb in a circular motion, combining flexion, extension, abduction, and adduction

Question 19

A patient has difficulty with dorsiflexion at the ankle. Which joint is most likely involved?

Accepted Answer

Talocrural joint

Question 20

Which of the following best describes the function of synovial fluid in a diarthrosis?

Accepted Answer

Provides nutrients to cartilage and reduces friction

The Skeletal System: Axial and Appendicular Divisions

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