Q: Which equation best represents the relationship between the number of phalanges in the hand and the number of metacarpals?

$$N_{phalanges} = 3 \times 4 + 2 \times 1$$

Q: Which equation would you use to calculate the total number of tarsal bones in both feet?

$$N_{tarsal, total} = N_{tarsal, one\ foot} \times 2$$

Q: Which equation best represents the total number of metatarsal bones in both feet?

$$N_{metatarsal, total} = N_{metatarsal, one\ foot} \times 2$$

Question 1

Which layer of the epidermis is most responsible for mitotic activity and regeneration of skin cells?

Accepted Answer

Stratum basale

Question 2

A patient presents with a deep laceration that penetrates through the dermal papillae but not the reticular layer. Which skin structures are most likely affected?

Accepted Answer

Dermal papillae and tactile corpuscles

Question 3

Which of the following correctly lists the layers of the epidermis from superficial to deep in thick skin?

Accepted Answer

Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale

Question 4

Which bone feature is found on the scapula and serves as an attachment site for muscles such as the supraspinatus and infraspinatus?

Accepted Answer

Supraspinous fossa

Question 5

A fracture to the head of the radius would most likely impair which movement at the elbow?

Accepted Answer

Rotation (pronation/supination)

Question 6

Which of the following structures is NOT found in the dermis?

Accepted Answer

Stratum spinosum

Question 7

If a patient has damage to the arrector pili muscle, which function would be most affected?

Accepted Answer

Goosebumps formation

Question 8

Which equation best represents the relationship between the number of phalanges in the hand and the number of metacarpals?

Accepted Answer

$$N_{phalanges} = 3 	imes 4 + 2 	imes 1$$

Question 9

Which of the following is a distinguishing feature of the ulna compared to the radius?

Accepted Answer

Presence of the olecranon process

Question 10

A patient suffers a fracture at the intercondylar eminence. Which bone is affected?

Accepted Answer

Tibia

Question 11

Which of the following best describes the function of lamellar corpuscles?

Accepted Answer

Detecting deep pressure and vibration

Question 12

Which equation would you use to calculate the total number of tarsal bones in both feet?

Accepted Answer

$$N_{tarsal, total} = N_{tarsal, one\ foot} 	imes 2$$

Question 13

Which structure is most likely to be damaged in a patient who cannot feel fine touch on their fingertips?

Accepted Answer

Tactile corpuscle

Question 14

Which bone is characterized by the presence of the greater sciatic notch and ischial tuberosity?

Accepted Answer

Ischium

Question 15

A patient presents with swelling near the lateral malleolus. Which bone is most likely involved?

Accepted Answer

Fibula

Question 16

Which of the following is a function of the sebaceous gland?

Accepted Answer

Producing sebum to lubricate hair and skin

Question 17

Which structure is most important for the formation of fingerprints?

Accepted Answer

Dermal papillae

Question 18

Which equation best represents the total number of metatarsal bones in both feet?

Accepted Answer

$$N_{metatarsal, total} = N_{metatarsal, one\ foot} 	imes 2$$

Question 19

Which bone contains the acetabulum, which articulates with the femur?

Accepted Answer

Ilium

Question 20

A patient has difficulty abducting their arm at the shoulder. Which feature of the scapula is most likely involved?

Accepted Answer

Glenoid cavity

Integumentary System and Appendicular Skeleton: Key Structures and Features

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