Hsci 101 Exam 2 Practice Test UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Stratum basale - CORRECT ANSWER The epidermal layer that contains mitotic
viable cells.
Hypodermis - CORRECT ANSWER The layer where subcutaneous injections of
medicine are administered.
Stratum granulosum - CORRECT ANSWER The final layer injured by a splinter that
nearly reaches stratum basale of the epidermis.
Thick skin - CORRECT ANSWER Skin that does not contain hair follicles.
Nail body - CORRECT ANSWER The part of the nail that covers the nail bed.
Vellus hairs - CORRECT ANSWER Hairs that do not contain pigment.
Dermal papillae - CORRECT ANSWER Structures that house blood vessels supplying
oxygen and nutrients to the avascular epidermis.
Striae - CORRECT ANSWER Generally permanent stretch marks that appear when the
dermis is stretched or torn.
Melanin dispersion - CORRECT ANSWER A process that acts as a natural sunscreen
in response to prolonged sun exposure.
Apocrine glands - CORRECT ANSWER Glands from which antiperspirants and
deodorants suppress and mask odors.
, Oily substance - CORRECT ANSWER A secretion that provides waterproofing and
can kill bacteria.
Patella - CORRECT ANSWER A sesamoid bone located within tendons.
Epiphyseal lines - CORRECT ANSWER Indicate that further growth in length is not
possible as they have ossified.
Bone deposition - CORRECT ANSWER Exceeds bone resorption in a person who
starts running for exercise.
Parathyroid hormone (PTH) - CORRECT ANSWER Stimulates the intestines to absorb
calcium ions into the bloodstream.
Diaphysis - CORRECT ANSWER The part of the bone that Charlie broke in the shaft
of his humerus.
Osteoid - CORRECT ANSWER Composed of organic materials and secreted by
osteoblasts.
Intramembranous ossification - CORRECT ANSWER A process involving the
differentiation of mesenchymal cells into osteoprogenitor cells and then osteoblasts.
Osteon - CORRECT ANSWER A structural unit of compact bone that includes
concentric lamellae, canaliculi, lacunae, and osteocytes.
Zone of hypertrophy and maturation - CORRECT ANSWER Surrounded by a zone of
enlarged nondividing chondrocytes and a zone of osteoblasts.
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Stratum basale - CORRECT ANSWER The epidermal layer that contains mitotic
viable cells.
Hypodermis - CORRECT ANSWER The layer where subcutaneous injections of
medicine are administered.
Stratum granulosum - CORRECT ANSWER The final layer injured by a splinter that
nearly reaches stratum basale of the epidermis.
Thick skin - CORRECT ANSWER Skin that does not contain hair follicles.
Nail body - CORRECT ANSWER The part of the nail that covers the nail bed.
Vellus hairs - CORRECT ANSWER Hairs that do not contain pigment.
Dermal papillae - CORRECT ANSWER Structures that house blood vessels supplying
oxygen and nutrients to the avascular epidermis.
Striae - CORRECT ANSWER Generally permanent stretch marks that appear when the
dermis is stretched or torn.
Melanin dispersion - CORRECT ANSWER A process that acts as a natural sunscreen
in response to prolonged sun exposure.
Apocrine glands - CORRECT ANSWER Glands from which antiperspirants and
deodorants suppress and mask odors.
, Oily substance - CORRECT ANSWER A secretion that provides waterproofing and
can kill bacteria.
Patella - CORRECT ANSWER A sesamoid bone located within tendons.
Epiphyseal lines - CORRECT ANSWER Indicate that further growth in length is not
possible as they have ossified.
Bone deposition - CORRECT ANSWER Exceeds bone resorption in a person who
starts running for exercise.
Parathyroid hormone (PTH) - CORRECT ANSWER Stimulates the intestines to absorb
calcium ions into the bloodstream.
Diaphysis - CORRECT ANSWER The part of the bone that Charlie broke in the shaft
of his humerus.
Osteoid - CORRECT ANSWER Composed of organic materials and secreted by
osteoblasts.
Intramembranous ossification - CORRECT ANSWER A process involving the
differentiation of mesenchymal cells into osteoprogenitor cells and then osteoblasts.
Osteon - CORRECT ANSWER A structural unit of compact bone that includes
concentric lamellae, canaliculi, lacunae, and osteocytes.
Zone of hypertrophy and maturation - CORRECT ANSWER Surrounded by a zone of
enlarged nondividing chondrocytes and a zone of osteoblasts.
