$n_{phalanges} = 3 \times n_{fingers}$

Question 1

Which layer of the epidermis is most superficial and primarily responsible for the barrier function of the skin?

Accepted Answer

Stratum corneum

Question 2

A patient presents with a burn that has destroyed the epidermis and exposed the dermal papillae. Which skin layer is directly affected?

Accepted Answer

Papillary layer of dermis

Question 3

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

Accepted Answer

Stratum granulosum

Question 4

If a tactile corpuscle is damaged, which sensation would be most affected?

Accepted Answer

Light touch

Question 5

Which bone feature is found on the scapula and serves as an attachment for the biceps brachii muscle?

Accepted Answer

Coracoid process

Question 6

A fracture at the surgical neck of the humerus would most likely affect which nearby anatomical structure?

Accepted Answer

Axillary nerve

Question 7

Which of the following is the correct order of 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 8

Which bone of the lower limb contains the medial malleolus?

Accepted Answer

Tibia

Question 9

A patient has difficulty flexing their forearm at the elbow. Which bone feature is most likely involved?

Accepted Answer

Radial tuberosity

Question 10

Which of the following equations correctly represents the relationship between the number of phalanges in the hand and the number of fingers?

Accepted Answer

$n_{phalanges} = 3 	imes n_{fingers}$

Question 11

Which anatomical feature is shared by both the ilium and the ischium?

Accepted Answer

Greater sciatic notch

Question 12

A patient presents with numbness in the skin overlying the lateral epicondyle of the humerus. Which nerve is most likely affected?

Accepted Answer

Radial nerve

Question 13

Which of the following best describes the function of the arrector pili muscle?

Accepted Answer

Contracts to raise the hair shaft

Question 14

If the stratum basale is damaged, which process will be most directly impaired?

Accepted Answer

Keratinocyte proliferation

Question 15

Which bone feature is most important for the articulation of the femur with the pelvis?

Accepted Answer

Acetabulum

Question 16

A patient has a fracture of the distal radius. Which anatomical landmark is most likely involved?

Accepted Answer

Radial styloid process

Question 17

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

Accepted Answer

$n_{metatarsals} = 5 	imes 2$

Question 18

Which structure is responsible for producing sweat in the skin?

Accepted Answer

Eccrine sweat gland

Question 19

A patient is unable to abduct their arm at the shoulder. Which bone feature is most likely involved?

Accepted Answer

Greater tubercle of humerus

Question 20

Which of the following is a correct description of the anatomical position of the pubis?

Accepted Answer

Anterior and inferior to the ilium

Anatomy & Physiology Study Guide: Integumentary System and Appendicular Skeleton

Study Guide - Practice Questions