Q: Which of the following formulas correctly represents the calculation for the total number of bones in the adult human axial skeleton?

$$ 8 \text{ (cranium) } + 14 \text{ (face) } + 26 \text{ (vertebral column) } + 1 \text{ (hyoid) } = 49 $$

Question 1

Which layer of the epidermis is responsible for the production of new keratinocytes, and what is its primary function?

Accepted Answer

Stratum basale; mitosis and regeneration of cells

Question 2

A patient presents with a deep cut that penetrates through the epidermis and into the dermis. Which type of tissue is primarily damaged in the dermis?

Accepted Answer

Dense irregular connective tissue

Question 3

Which specific layer of the skin is responsible for producing fingerprints?

Accepted Answer

Stratum basale

Question 4

Which area of the body would you expect to find the greatest density of sweat glands, and why?

Accepted Answer

Palms; for grip and thermoregulation

Question 5

Which bone marking serves as a passageway for blood vessels or nerves?

Accepted Answer

Foramen

Question 6

A long bone is divided into several regions. What is the name of the shaft of a long bone, and what is its main function?

Accepted Answer

Diaphysis; provides leverage and weight support

Question 7

Which of the following is NOT a bone of the axial skeleton?

Accepted Answer

Femur

Question 8

Which vertebra allows the head to nod 'yes' and what is its anatomical name?

Accepted Answer

Atlas (C1)

Question 9

Which of the following best describes the function of the sella turcica of the sphenoid bone?

Accepted Answer

Houses the pituitary gland

Question 10

A patient has a fracture at the mental foramen. Which bone is affected and what is the significance of this foramen?

Accepted Answer

Mandible; passage for nerves and blood vessels to the chin

Question 11

Which of the following ribs are considered 'floating ribs' and why?

Accepted Answer

Ribs 11-12; they do not attach to the sternum

Question 12

Which bone does NOT articulate with any other bone in the human body?

Accepted Answer

Hyoid

Question 13

Which of the following best describes the tissue type found in the epidermis?

Accepted Answer

Keratinized stratified squamous epithelium

Question 14

A forensic scientist is analyzing a fingerprint. Which layer of the skin should they focus on to study the unique ridge patterns?

Accepted Answer

Stratum basale

Question 15

Which of the following is a function of the periosteum in long bones?

Accepted Answer

Provides a surface for ligament and tendon attachment

Question 16

Which bone marking is best described as a rounded articular projection?

Accepted Answer

Condyle

Question 17

Which of the following formulas correctly represents the calculation for the total number of bones in the adult human axial skeleton?

Accepted Answer

$$ 8 	ext{ (cranium) } + 14 	ext{ (face) } + 26 	ext{ (vertebral column) } + 1 	ext{ (hyoid) } = 49 $$

Question 18

Which of the following best describes the function of the dense irregular connective tissue in the dermis?

Accepted Answer

Resists multidirectional tension

Question 19

A patient has a herniated disc between L4 and L5. Which region of the vertebral column is affected?

Accepted Answer

Lumbar

Question 20

Which of the following is the correct order of the strata in thick skin from superficial to deep?

Accepted Answer

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

Anatomy & Physiology I: Integumentary and Skeletal System Study Guidance

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