Question 1

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

Accepted Answer

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

Question 2

A patient presents with a burn that affects the entire epidermis and part of the dermis, resulting in blisters and pain. According to the classification of burns, what degree is this burn?

Accepted Answer

Second-degree burn

Question 3

Which pigment is primarily responsible for the brown coloration of human skin, and what cell produces it?

Accepted Answer

Melanin; produced by melanocytes

Question 4

Which gland is responsible for producing sebum, and what is the main function of sebum?

Accepted Answer

Sebaceous gland; lubricates and waterproofs the skin and hair

Question 5

A patient with osteoporosis is found to have decreased bone density due to an imbalance in bone remodeling. Which hormone, when deficient, most likely contributes to this condition?

Accepted Answer

Estrogen

Question 6

Which of the following best describes the structure and function of spongy bone?

Accepted Answer

Composed of trabeculae that provide structural support and house red bone marrow

Question 7

Which type of ossification is responsible for the formation of most flat bones of the skull?

Accepted Answer

Intramembranous ossification

Question 8

A 25-year-old male suffers a mid-shaft femur fracture. Which sequence correctly describes the stages of bone healing?

Accepted Answer

Hematoma formation, fibrocartilaginous callus formation, bony callus formation, bone remodeling

Question 9

Which of the following is a distinguishing feature of cervical vertebrae compared to thoracic and lumbar vertebrae?

Accepted Answer

Presence of transverse foramina

Question 10

Which of the following best describes the functional classification of a synovial joint?

Accepted Answer

Diarthrosis

Question 11

A patient is unable to abduct their arm at the shoulder joint. Which type of synovial joint movement is impaired?

Accepted Answer

Abduction

Question 12

Which bone marking is found on the temporal bone and serves as an attachment for muscles of mastication?

Accepted Answer

Mastoid process

Question 13

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

Accepted Answer

Sternum

Question 14

Which structure in the synovial joint diagram is responsible for secreting synovial fluid?

Accepted Answer

Synovial membrane

Question 15

Which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 16

A 30-year-old female presents with yellowing of the skin and sclera. Which pigment is most likely responsible for this condition?

Accepted Answer

Bilirubin

Question 17

Which of the following best describes the organic and inorganic components of bone matrix?

Accepted Answer

Organic: collagen fibers; Inorganic: hydroxyapatite (calcium phosphate crystals)

Question 18

Which of the following is a characteristic of the female pelvic girdle compared to the male pelvic girdle?

Accepted Answer

Wider pelvic inlet

Question 19

Which type of joint allows for the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Question 20

A patient presents with lateral curvature of the spine. What is the medical term for this condition?

Accepted Answer

Scoliosis

BIO168 Unit 2 Study Guide: Integumentary and Skeletal Systems

Study Guide - Practice Questions

Study Guide - Flashcards