multiple choice question study guide for exam 2 human anatomy & physiology

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b) stratum basale

Where do new epidermal cells come from?
a) subcutaneous layer
b) stratum basale
c) stratum corneum
d) dermis

d) eccrine glands

The maintenance of constant body temperature would be difficult without the actions of the
a) apocrine glands
b) meibomian glands
c) sebaceous glands
d) eccrine glands

d) thermoregulation

Which of the following is NOT a function of skin?
a) respiration
b) excretion
c) sensation
d) thermoregulation

a) melanin

Which pigment is responsible for a tan's brown color?
a) melanin
b) carotene
c) hemoglobin
d) bile

c) erythema

What is redness of the skin called?
a) pallor
b) carotenemia
c) erythema
d) jaundice

e) eczema

skin sensitivity characterized by intense itching & inflammation:
a) urticaria
b) pruritis
c) shingles
d) psoriasis
e) eczema

c) shingles

a viral infection that follows nerve pathways, producing small lesions on the overlying skin:
a) urticaria
b) pruritis
c) shingles
d) psoriasis
e) eczema

b) pruritis

severe itching of the skin:
a) urticaria
b) pruritis
c) shingles
d) psoriasis
e) eczema

a) urticaria

allergic reaction characterized by the appearance of wheals:
a) urticaria
b) pruritis
c) shingles
d) psoriasis
e) eczema

d) psoriasis

chronic skin disease characterized by red flat areas covered with silvery scales:
a) urticaria
b) pruritis
c) shingles
d) psoriasis
e) eczema

a) superficial

the epidermis is ----------- to the dermis.
a) superfiicial
b) deep
c) lateral
d) medial

b) sebaceous

acne is an infection of which type of gland?
a) sudoriferous
b) sebaceous
c) ceruminous
d) meibomian

a) alopecia

what is the medical term for baldness?
a) alopecia
b) pemphigus
c) verruca
d) dermatitis

c) jaundice

which skin disorder is caused by an accumulation of bile pigment in the blood?
a) pallor
b) cyanosis
c) jaundice
d) carotenemia

a) epidermal cells

which are affected in basal cell & squamous cell carcinomas?
a) epidermal cells
b) dermal cells
c) melanocytes
d) adipocytes

b) collagen

Which protein makes up a major component of bone matrix?
a) keratin
b) collagen
c) melanin
d) calcium

b) epiphyseal plates

Where does bone growth occur in children?
a) center of bone shafts
b) epiphyseal plates
c) medullary cavities
d) epiphyseal lines

c) occipital bone

Which bone forms the back & parts of the base of the skull?
a) parietal bone
b) temporal bone
c) occipital bone
d) sphenoid bone

c) scapula

Which of the following bones is found in the shoulder girdle?
a) sternum
b) humerus
c) scapula
d) ulna

c) diarthroses

Freely movable joints are also called
a) fibrous joints
b) cartilaginous joints
c) diarthroses
d) amphiarthroses

a) condyle

A rounded bony projection
a) condyle
b) foramen
c) fossa
d) sinus
e) spine

e) spine

A sharp bony prominence
a) condyle
b) foramen
c) fossa
d) sinus
e) spine

b) foramen

A hole through a bone
a) condyle
b) foramen
c) fossa
d) sinus
e) spine

c) fossa

A bony depression
a) condyle
b) foramen
c) fossa
d) sinus
e) spine

d) sinus

An air-filled bony cavity
a) condyle
b) foramen
c) fossa
d) sinus
e) spine

c) temporal bone

Which bone contains the mastoid process?
a) occipital bone
b) femur
c) temporal bone
d) humerus

a) kyphosis

What is an abnormal exaggeration of the thoracic curve called?
a) kyphosis
b) lordosis
c) osteitis deformans
d) Pott disease

c) comminuted

Which injury is associated with multiple fracture lines & splintered or crushed bone?
a) open fracture
b) impacted fracture
c) comminuted fracture
d) greenstick fracture

c) diarthrotic

Which joint is freely movable?
a) arthrotic
b) amphiarthrotic
c) diarthrotic
d) synarthrotic

d) ball-and-socket

What kind of synovial joint is the hip?
a) gliding
b) hinge
c) pivot
d) ball & socket

a) cardiac

which type of muscle tissue is striated & involuntary?
a) cardiac
b) intercalated
c) smooth
d) skeletal

a) motor end plate

a single neuron & all the muscle fibers it stimulates comprise:
a) motor end plate
b) motor unit
c) neuromuscular junction
d) synapse

c) actin & myosin

the 2 filaments that form cross-bridges are
a) actin & troponin
b) tropomyosin & myosin
c) actin & myosin
d) troponin & tropomyosin

d) myoglobin

which muscle cell compound stores oxygen?
a) creatine phosphate
b) glycogen
c) hemoglobin
d) myoglobin

d) joint

in anatomic lever systems, the fulcrum is the
a) bone
b) bursa
c) insertion
d) joint

d) tibialis anterior

an antagonist to the gastronemius is the
a) gracilis
b) sartorius
c) soleus
d) tibialis anterior

a) deep fascia, epimysium, perimysium, and endomysium

from superficial to deep the correct order of muscle structure is
a) deep fascia, epimysium, perimysium, & endomysium
b) epimysium, perimysium, endomysium & deep fascia
c) deep fascia, endomysium, perimysium, & epimysium
d) endomysium, perimysium, epimysium & deep fascia

d) bind to regulatory proteins so that the myosin binding sites on the actin can be exposed

what is the function of calcium ions in skeletal muscle contractions?
a) bind to receptors on the motor end plate to stimulate muscle contraction
b) cause a pH change in the cytoplasm to trigger muscle contraction
c) bind to the myosin-binding sites on actin so that myosin will have something to attach to
d) bind to regulatory proteins so that the myosin binding sites on the actin can be exposed

(c) aponeurosis

which structure is a broad flat extension that attaches muscle to bone?
a) tendon
b) fascicle
c) aponeurosis
d) motor end plate

d) spasms

what are seizures & convulsions examples of?
a) strains
b) fibrositis
c) myositis
d) spasms

b) fibromyalgia

which disease is characterized by widespread muscle aches, tenderness & stiffness & has no known cause?
a) muscular dystrophy
b) fibromyalgia
c) myostitis
d) bursititis

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