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WorksheetsZOO 101 PART 11
Total questions: 47
Worksheet time: 24mins
A biology student observes a skin layer with dead, flattened keratinocytes that flake off. This is the:
Stratum basale
Dermis
Stratum corneum
Hypodermis
During a dissection, Emmanuel finds a gland emptying oil into a hair follicle. This is a:
Eccrine gland
Mammary gland
Sebaceous gland
Apocrine sweat gland
A patient’s skin cannot synthesize vitamin D despite sun exposure. Which epidermal cells are likely deficient?
Keratinocytes
Langerhans cells
Melanocytes
Corneocytes
A forensic scientist identifies a bone with a large medullary cavity and growth plate. This best describes a:
Sesamoid bone
Long bone
Plate-like bone
Cuboidal bone
A man has patchy white skin with no melanin in affected areas. Which disorder matches this?
Melasma
Freckles
Vitiligo
Albinism
A muscle tissue sample shows striations, multiple peripheral nuclei, and voluntary control. This is:
Smooth muscle
Cardiac muscle
Skeletal muscle
Epithelial tissue
A diver’s skeleton shows 7 cervical vertebrae. This supports the general rule that:
Aquatic mammals have fewer cervicals
All mammals have 7 cervical vertebrae
Cervicals vary by diet
Whales lack cervical vertebrae
After childbirth, a woman produces milk. This function is performed by:
Modified eccrine glands
Sebaceous glands
Modified apocrine glands
Hair follicles
A burn patient loses the ability to sense pain or temperature on the arm. Which skin layer was destroyed?
Epidermis
Stratum corneum
Dermis
Hypodermis
A student notes that sweat from palms helps grip. These glands are:
Apocrine
Sebaceous
Eccrine
Mammary
A cadaver’s heart muscle shows branched fibers with intercalated discs. This tissue is:
Skeletal
Smooth
Cardiac
Connective
A child fractures a wrist bone made of small, cube-shaped elements. This is a:
Long bone
Sesamoid
Cuboidal bone
Plate-like bone
A man uses harsh soap and develops dry, irritated skin. Which protective component was removed?
Melanin
Surface film (sebum + sweat)
Keratin
Langerhans cells
Which vertebrae directly connect to the rib cage?
Cervical
Thoracic
Lumbar
Sacral
A whale skeleton has 18 lumbar vertebrae. This is common in:
All mammals
Toothed whales (Odontoceti)
Primates
Bats
A patient cannot regulate body temperature in heat. Which skin function is impaired?
Immune defense
Excretion
Thermoregulation via sweat
Water retention
The plasma membrane of a muscle fiber is called the:
Endomysium
Sarcoplasm
Sarcolemma
Myofilament
A newborn has no melanin in skin, hair, or eyes and is highly light-sensitive. This is:
Vitiligo
Melasma
Albinism
Addison’s disease
A bone in the skull is thin, flat, and protects the brain. This is a:
Long bone
Cuboidal bone
Plate-like bone
Sesamoid
Which structure links the lower limb to the axial skeleton?
Clavicle
Scapula
Pelvic girdle (ilium, ischium, pubis)
Sternum
A man shivers in cold weather. Heat is generated primarily by:
Smooth muscle in vessels
Cardiac muscle metabolism
Involuntary contraction of skeletal muscle
Sebaceous gland activity
The “true skin” that contains blood vessels, nerves, and glands is the:
Epidermis
Stratum corneum
Dermis
Hypodermis
A histology slide shows spindle-shaped, non-striated cells in the wall of the intestine. This is:
Skeletal muscle
Cardiac muscle
Smooth muscle
Nervous tissue
The shaft of a long bone is called the:
Epiphysis
Metaphysis
Diaphysis
Medulla
A patient’s coccyx is painful after a fall. This results from injury to fused:
Cervical vertebrae
Thoracic vertebrae
Lumbar vertebrae
Caudal vertebrae
Which cells detect pathogens and initiate immune responses in the skin?
Keratinocytes
Melanocytes
Langerhans cells
Corneocytes
A woman develops dark facial patches during pregnancy. This is likely:
Vitiligo
Albinism
Melasma
Freckles
The pectoral girdle consists of the:
Ilium and ischium
Clavicle and scapula
Femur and patella
Ribs and sternum
A runner sweats to cool down. Sweat is produced by glands that open directly onto the:
Hair follicle
Sebaceous duct
Skin surface (pores)
Nail bed
Which bone type includes the patella?
Long
Cuboidal
Plate-like
Sesamoid
The cytoplasm of a muscle fiber is called:
Sarcolemma
Sarcoplasm
Endomysium
Myofibril
Red blood cells are produced in the:
Dermis
Hypodermis
Bone marrow
Epidermis
A teen uses a scrub daily and gets red, inflamed skin. Which skin care guideline was violated?
Wash face once daily
Exfoliate only 1–2 times/week
Use hot water
Skip moisturizer
Which pigment gives red hair its color?
Eumelanin
Hemoglobin
Pheomelanin
Bilirubin
The atlas (C1) articulates with the:
Axis
Occipital condyles of the skull
Thoracic vertebrae
Clavicle
A man cannot control intestinal movement after nerve damage. Which muscle is involved?
Skeletal
Cardiac
Smooth
Striated voluntary
Wearing clean, breathable fabrics helps prevent:
Bone fractures
Skin irritation and infections
Vitamin D deficiency
Hair loss
The hypodermis primarily functions in:
UV protection
Sensation
Fat storage and insulation
Sweat production
A fossil shows 12 thoracic vertebrae. This is typical for:
Most mammals
Only humans
Birds
Fish
Facial muscles that attach to skin are a type of:
Smooth muscle
Cardiac muscle
Skeletal muscle
Involuntary muscle
Double cleansing is recommended for people who:
Have dry skin
Wear makeup
Avoid sunscreen
Shower once a week
The transition zone between the shaft and end of a long bone is the:
Diaphysis
Epiphysis
Metaphysis
Periosteum
Which sweat glands are most numerous on palms and soles?
Apocrine
Sebaceous
Eccrine
Mammary
A patient with Addison’s disease may show:
Loss of all pigment
Bronze-like skin darkening
White patches
Excessive sweating
The scapula is classified as a:
Long bone
Cuboidal bone
Plate-like bone
Sesamoid
Muscle fibers originate from which embryonic layer?
Ectoderm
Endoderm
Mesoderm
Neuroectoderm
Keeping nails trimmed prevents:
Sunburn
Bacterial and fungal infections
Hair thinning
Bone loss
