Q: Which equation best represents the relationship between the number of bones in the lower limb and their segments?

$$1 \times \text{femur} + 1 \times \text{patella} + 2 \times \text{tibia/fibula} + 7 \times \text{tarsals} + 5 \times \text{metatarsals} + 14 \times \text{phalanges} = 30$$

Question 1

Which structure of the pelvic girdle directly articulates with the head of the femur?

Accepted Answer

Acetabulum

Question 2

The pelvic brim separates which two regions of the pelvis?

Accepted Answer

True pelvis and false pelvis

Question 3

Which bone is NOT part of the coxal bone in adults?

Accepted Answer

Sacrum

Question 4

A patient presents with pain at the ischial tuberosity after prolonged sitting. Which function does this structure primarily serve?

Accepted Answer

Weight-bearing when sitting

Question 5

Which feature distinguishes the female pelvis from the male pelvis?

Accepted Answer

The female pelvis is lighter, wider, and shallower

Question 6

During a hip replacement surgery, the surgeon must locate the acetabulum. Which three bones contribute to the formation of the acetabulum?

Accepted Answer

Ilium, ischium, and pubis

Question 7

Which bone of the lower limb is the longest and strongest?

Accepted Answer

Femur

Question 8

The medial malleolus is a prominent process found on which bone?

Accepted Answer

Tibia

Question 9

Which bone does NOT contribute to the knee joint?

Accepted Answer

Fibula

Question 10

A fracture of the lateral malleolus would affect which bone?

Accepted Answer

Fibula

Question 11

Which tarsal bone bears most of the body weight and articulates with the tibia?

Accepted Answer

Talus

Question 12

The first metatarsal bone is important because it:

Accepted Answer

Supports body weight during walking

Question 13

Which arch of the foot prevents pinching of muscles, nerves, and blood vessels?

Accepted Answer

Medial arch

Question 14

A patient with a fracture in the shaft of the femur is at risk for which complication due to its anatomical features?

Accepted Answer

Significant blood loss due to the bone's size and vascularity

Question 15

Which equation best represents the relationship between the number of bones in the lower limb and their segments?

Accepted Answer

$$1 	imes 	ext{femur} + 1 	imes 	ext{patella} + 2 	imes 	ext{tibia/fibula} + 7 	imes 	ext{tarsals} + 5 	imes 	ext{metatarsals} + 14 	imes 	ext{phalanges} = 30$$

Question 16

Which anatomical landmark serves as the attachment site for the patellar ligament?

Accepted Answer

Tibial tuberosity

Question 17

If a patient has a fracture at the intertrochanteric line of the femur, which function is most likely to be affected?

Accepted Answer

Attachment of powerful hip and thigh muscles

Question 18

Which structure forms the inferior boundary of the pelvic outlet?

Accepted Answer

Ischial tuberosities

Question 19

The interosseous membrane connects which two bones?

Accepted Answer

Tibia and fibula

Question 20

Which bone is embedded in the tendon that secures the quadriceps muscles?

Accepted Answer

Patella

Appendicular Skeleton: Pelvic Girdle and Lower Limb

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