Skip to main content
Back

ANP Study Guide: Integumentary and Skeletal System Review Guidance

NotesPracticeVideo lessons

Study Guide - Smart Notes

Tailored notes based on your materials, expanded with key definitions, examples, and context.

Q1. What are the components of the Integumentary System?

Background

Topic: Integumentary System Overview

This question tests your understanding of the major structures that make up the integumentary system, which is essential for protection, sensation, and other functions in the human body.

Key Terms:

  • Integumentary System: The organ system that includes the skin and its associated structures.

  • Accessory Structures: Hair, nails, glands, and sensory receptors.

Step-by-Step Guidance

  1. Start by recalling the largest organ of the body, which is the skin, and consider what other structures are closely associated with it.

  2. Think about the layers of the skin and what lies within or beneath them (e.g., hair follicles, glands).

  3. List the main components, grouping them as primary (skin) and accessory (hair, nails, glands, etc.).

Try solving on your own before revealing the answer!

Q2. Briefly describe the types of cells present in the Epidermis.

Background

Topic: Epidermal Cell Types

This question assesses your knowledge of the cellular composition of the epidermis and the function of each cell type.

Key Terms:

  • Keratinoctyes

  • Melanocytes

  • Langerhans (dendritic) cells

  • Merkel (tactile) cells

Step-by-Step Guidance

  1. Recall the main function of the epidermis and how different cell types contribute to it.

  2. List each cell type and briefly note its primary function (e.g., protection, pigment production, immune defense, sensation).

  3. Think about where each cell type is most abundant within the epidermal layers.

Try solving on your own before revealing the answer!

Q3. What is the function of the Stratum Basale, Stratum Granulosum, and Stratum Corneum?

Background

Topic: Epidermal Layers and Their Functions

This question focuses on the roles of specific layers within the epidermis.

Key Terms:

  • Stratum Basale: Deepest layer, mitotically active.

  • Stratum Granulosum: Middle layer, keratinization begins.

  • Stratum Corneum: Outermost layer, dead keratinized cells.

Step-by-Step Guidance

  1. Identify the position of each layer within the epidermis.

  2. Describe the main cellular activities or characteristics of each layer (e.g., cell division, keratin production, barrier formation).

  3. Relate each layer's function to the overall protective role of the skin.

Try solving on your own before revealing the answer!

Q4. Describe the structure of the Dermis. What kind of tissue is present in the Papillary layer and/or in the Reticular Layer?

Background

Topic: Dermal Structure and Tissue Types

This question tests your understanding of the two main layers of the dermis and the types of connective tissue found in each.

Key Terms:

  • Dermis: Layer beneath the epidermis, provides strength and elasticity.

  • Papillary Layer: Superficial dermal layer, loose connective tissue.

  • Reticular Layer: Deeper dermal layer, dense irregular connective tissue.

Step-by-Step Guidance

  1. Recall the two main layers of the dermis and their relative positions.

  2. Identify the type of connective tissue in each layer and how it relates to the function (e.g., flexibility, strength).

  3. Think about the structures (e.g., blood vessels, nerves) found within each layer.

Try solving on your own before revealing the answer!

Q5. What are friction ridges? Briefly describe the pigments responsible for skin color.

Background

Topic: Skin Surface Features and Pigmentation

This question covers the anatomical basis for fingerprints and the biological pigments that determine skin color.

Key Terms:

  • Friction Ridges: Raised patterns on the skin, especially on fingers and toes.

  • Pigments: Melanin, carotene, hemoglobin.

Step-by-Step Guidance

  1. Define friction ridges and their functional significance (e.g., grip, identification).

  2. List the main pigments contributing to skin color and briefly describe their sources and effects.

  3. Consider how variations in pigment levels affect skin tone.

Try solving on your own before revealing the answer!

Q6. Describe all the differences between Eccrine Sweat Glands, Apocrine Sweat Glands, and Sebaceous Glands: location, activity, structure, and secretion composition.

Background

Topic: Skin Glands and Their Functions

This question tests your ability to compare and contrast the major exocrine glands of the skin.

Key Terms:

  • Eccrine Glands: Widely distributed, thermoregulation.

  • Apocrine Glands: Axillary/anogenital regions, become active at puberty.

  • Sebaceous Glands: Associated with hair follicles, secrete sebum.

Step-by-Step Guidance

  1. Identify the location of each gland type in the body.

  2. Describe when each gland becomes active and whether it functions throughout life.

  3. Compare the structure and the composition of their secretions (e.g., watery sweat vs. oily sebum).

Try solving on your own before revealing the answer!

Q7. List and describe all the functions of the Integumentary System. Be able to describe the chemical, physical, and biological barriers.

Background

Topic: Integumentary System Functions

This question assesses your understanding of the protective and regulatory roles of the skin and its components.

Key Terms:

  • Chemical Barrier: Secretions, melanin.

  • Physical Barrier: Keratinized cells, continuity of skin.

  • Biological Barrier: Immune cells in the skin.

Step-by-Step Guidance

  1. List the main functions of the integumentary system (e.g., protection, sensation, thermoregulation).

  2. For each barrier type, describe how it protects the body from environmental threats.

  3. Give examples of substances or cells involved in each barrier.

Try solving on your own before revealing the answer!

Q8. Types of skin cancer. What is the ABCD rule?

Background

Topic: Skin Cancer Identification

This question tests your knowledge of the main types of skin cancer and the criteria for early detection.

Key Terms:

  • Basal Cell Carcinoma

  • Squamous Cell Carcinoma

  • Melanoma

  • ABCD Rule: Asymmetry, Border, Color, Diameter

Step-by-Step Guidance

  1. List the three main types of skin cancer and note their origin in the skin layers.

  2. Describe the ABCD rule and how each criterion helps in identifying suspicious lesions.

  3. Think about why early detection is important for prognosis.

Try solving on your own before revealing the answer!

Q9. Burns: How is burn severity evaluated? What are the differences between first, second, and third-degree burns?

Background

Topic: Burn Classification and Severity

This question covers the clinical assessment of burns and the distinguishing features of each degree.

Key Terms:

  • First-degree burn: Epidermis only

  • Second-degree burn: Epidermis and part of dermis

  • Third-degree burn: Full thickness, all skin layers

  • Rule of Nines: Method for estimating burn area

Step-by-Step Guidance

  1. Recall the layers of skin affected by each burn degree.

  2. Describe the clinical features (e.g., redness, blistering, charring) of each type.

  3. Explain how the "Rule of Nines" is used to estimate the extent of burns.

Try solving on your own before revealing the answer!

Q10. Learn all the locations of hyaline, elastic, and fibrocartilage in the body.

Background

Topic: Cartilage Types and Locations

This question tests your ability to identify where each type of cartilage is found in the body.

Key Terms:

  • Hyaline Cartilage: Most common, flexible support

  • Elastic Cartilage: Flexible, resilient

  • Fibrocartilage: Strong, resists compression

Step-by-Step Guidance

  1. List the main anatomical locations for each cartilage type (e.g., joints, ear, intervertebral discs).

  2. Associate each type with its functional properties.

  3. Use diagrams or textbook figures to reinforce your memory.

Try solving on your own before revealing the answer!

Q11. Classification of bones and examples of the four categories.

Background

Topic: Bone Classification

This question assesses your understanding of the different shapes of bones and examples of each.

Key Terms:

  • Long Bones

  • Short Bones

  • Flat Bones

  • Irregular Bones

Step-by-Step Guidance

  1. Define each bone category based on shape and structure.

  2. List at least one example for each category (e.g., femur, carpals, sternum, vertebrae).

  3. Think about the functional significance of each bone type.

Try solving on your own before revealing the answer!

Q12. List all the functions of bones.

Background

Topic: Bone Functions

This question tests your knowledge of the physiological roles of the skeletal system.

Key Terms:

  • Support

  • Protection

  • Movement

  • Mineral Storage

  • Blood Cell Formation

  • Triglyceride Storage

Step-by-Step Guidance

  1. List each function and briefly describe how bones fulfill it.

  2. Consider examples for each function (e.g., skull protects brain, femur supports body weight).

  3. Relate bone functions to overall homeostasis.

Try solving on your own before revealing the answer!

Q13. Describe the structure of compact bone and spongy bone.

Background

Topic: Bone Tissue Structure

This question assesses your understanding of the microscopic and macroscopic organization of bone tissue.

Key Terms:

  • Compact Bone: Osteons, lamellae, central canal

  • Spongy Bone: Trabeculae, marrow spaces

Step-by-Step Guidance

  1. Describe the arrangement of osteons in compact bone and their functional significance.

  2. Explain the structure of trabeculae in spongy bone and how it supports bone strength with less weight.

  3. Compare the locations of compact and spongy bone within a typical long bone.

Try solving on your own before revealing the answer!

Q14. Structure of long and flat bones. Definitions and locations of diaphysis, epiphysis, periosteum, endosteum, epiphyseal plate, metaphysis, articular cartilage, red bone marrow, yellow bone marrow.

Background

Topic: Bone Anatomy

This question tests your ability to identify and define the anatomical features of bones.

Key Terms:

  • Diaphysis: Shaft of long bone

  • Epiphysis: Ends of long bone

  • Periosteum: Outer membrane

  • Endosteum: Inner lining

  • Epiphyseal Plate: Growth plate

  • Metaphysis: Region between diaphysis and epiphysis

  • Articular Cartilage: Covers joint surfaces

  • Red/Yellow Bone Marrow: Hematopoiesis/fat storage

Step-by-Step Guidance

  1. Define each anatomical term and describe its location in a long bone.

  2. Explain the function of each structure (e.g., periosteum for nourishment, epiphyseal plate for growth).

  3. Compare the structure of long bones to flat bones (e.g., skull bones).

Try solving on your own before revealing the answer!

Q15. Name and describe the function of all bone cells.

Background

Topic: Bone Cell Types

This question tests your knowledge of the different cells involved in bone formation, maintenance, and remodeling.

Key Terms:

  • Osteoprogenitor Cells

  • Osteoblasts

  • Osteocytes

  • Osteoclasts

Step-by-Step Guidance

  1. List each cell type and its primary function (e.g., bone formation, resorption).

  2. Describe where each cell is found within bone tissue.

  3. Explain how these cells interact during bone remodeling.

Try solving on your own before revealing the answer!

Q16. Describe the structure of the osteon.

Background

Topic: Compact Bone Microanatomy

This question focuses on the functional unit of compact bone.

Key Terms:

  • Osteon (Haversian System)

  • Lamellae

  • Central Canal

  • Lacunae

  • Canaliculi

Step-by-Step Guidance

  1. Describe the cylindrical structure of the osteon and its components.

  2. Explain the function of each part (e.g., central canal for blood vessels, canaliculi for cell communication).

  3. Relate the osteon's structure to the strength and nourishment of compact bone.

Try solving on your own before revealing the answer!

Q17. What is the composition of the organic (osteoid) and inorganic part of bone?

Background

Topic: Bone Chemistry

This question tests your understanding of the molecular components that give bone its strength and flexibility.

Key Terms:

  • Osteoid: Organic matrix, mainly collagen

  • Inorganic: Hydroxyapatite (calcium phosphate crystals)

Step-by-Step Guidance

  1. List the main components of the organic matrix and their function (e.g., flexibility, tensile strength).

  2. List the main inorganic components and their function (e.g., hardness, resistance to compression).

  3. Explain how the combination of both components contributes to bone properties.

Try solving on your own before revealing the answer!

Q18. Endochondral ossification: In what type of bone does it occur, and what are the main steps of the process?

Background

Topic: Bone Development

This question assesses your understanding of how most bones form from cartilage templates during development.

Key Terms:

  • Endochondral Ossification

  • Primary and Secondary Ossification Centers

  • Long Bones

Step-by-Step Guidance

  1. Identify which bones form via endochondral ossification (e.g., long bones).

  2. List the main steps in the process, starting from the cartilage model to the formation of bone tissue.

  3. Describe the role of primary and secondary ossification centers.

Try solving on your own before revealing the answer!

Q19. How do PTH and calcitonin influence Ca2+ homeostasis?

Background

Topic: Calcium Homeostasis

This question tests your understanding of hormonal regulation of blood calcium levels.

Key Terms:

  • Parathyroid Hormone (PTH): Increases blood calcium

  • Calcitonin: Decreases blood calcium

  • Bone Resorption and Deposition

Step-by-Step Guidance

  1. Describe the effect of PTH on bone, kidneys, and intestines regarding calcium levels.

  2. Describe the effect of calcitonin on bone and how it opposes PTH.

  3. Explain the importance of maintaining calcium homeostasis for physiological processes.

Try solving on your own before revealing the answer!

Pearson Logo

Study Prep