Which type of muscle is labeled
I in the Venn diagram?
a. cardiac
b. filament
c. skeletal
d. smooth
Which type of muscle is labeled
II in the Venn diagram?
a. cardiac
b. filament
c. skeletal
d. smooth
Which type of muscle is labeled
III in the Venn diagram?
a. cardiac
b. filament
c. skeletal
d. smooth
Which describes a difference
between the dermis and epidermis?
a. The epidermis is typically as thick as a piece of
paper and the dermis is as much as 40 times
thicker.
b. The dermis contains keratin, while the
epidermis is mostly made up of fat cells.
c. The epidermis is primarily composed of
connective tissue and the dermis is mostly made
up of hair follicles.
d. The epidermis is completely made up of nerve
cells, which are lacking in the dermis.
A tissue is observed to contain
nerve cells, muscle fibers, and oil
glands. Where is this tissue
found?
a. dermis
b. epidermis
c. hair
d. nails
Which lists the layers of skin
from outer to inner?
a. dermis, melanin
b. epidermis, dermis
c. melanin, epidermis
d. keratin, epidermis
Which of the following describes
the role of keratin in the epidermis?
a. Keratin allows the skin to fall off.
b. Keratin allows new skin to grow.
c. Keratin makes the skin waterproof.
d. Keratin protects the skin from UV light.
Where is the type of tissue that
provides insulation in mammals
found?
a. epithelial cells of the dermis
b. subcutaneous layer
c. sebaceous glands
d. outer layer of the dermis
What is the function of oil glands on
the face?
a. Oil protects the hair from sun damage.
b. Oil allows hair to grow out of the skin.
c. Oil prevents acne from occurring.
d. Oil prevents the skin from drying out.
A person living close to the North Pole
fractures a bone in December. She finds that
it takes an unusually long time to heal. Which
best explains why this might occur?
a. Decreased exposure to the Sun results in more
calcium released by the skin.
b. Decreased exposure to the Sun results in less
vitamin D produced by the skin.
c. Greater exposure to cold results in softer bones.
d. Greater exposure to cold results in bones that
are brittle.
What is most likely to result if 1 square
centimeter of skin on the back of a
person’s hand was removed in an
accident?
a. The person would not be able to feel textures
with his palm.
b. The body would not be able to regulate
temperature.
c. Organs, such as the heart, would be exposed.
d. Bacteria could enter the body, causing an
infection.
Which correctly sequences the events
that occur when a person gets a cut
that bleeds?
a. The person bleeds, The blood clots, A scab forms, white
blood cells enter the area
b. The person bleeds, a scab forms, the blood clots, white
blood cells enter the body
c. The person bleeds, the blood clots, new cells fill in the
area, a scab forms, skin cells divide, white blood cells
enter the body
d. The person bleeds, a scab forms, the blood clots, skin
cells divide, white blood cells enter the area, new cells
fill in the area
What might result if ossification
did not occur?
a. The skeleton could not store calcium.
b. The skeleton would be made of cartilage.
c. The bones would sprain easily.
d. The bones could not move.
What might result if osteoblasts
were not functioning properly?
a. Cartilage would become infected.
b. Too many blood cells would be produced.
c. Bone cells could not be broken down.
d. Bone growth would be affected.
A person with scleroderma is
sometimes referred to as having “hard
skin.” Which of the following is affected
in this disorder?
a. subcutaneous glands
b. connective tissue
c. muscle fibers
d. nerve cells
Which of the following correctly
sequences the events of bone
repair?
a. A blood clot forms where the break occurred. Cartilage then forms
at the break followed by compact bone formation. Spongy bone fills
the space.
b. A blood clot forms where the break occurred. Cartilage then forms
at the break, followed by spongy bone formation. Finally compact
bone fills the space.
c. Cartilage forms at the break. A blood clot forms where the break
occurred followed by compact bone formation. Finally spongy bone
fills the space.
d. Cartilage forms at the break. A blood clot forms where the break
occurred, followed by spongy bone formation. Finally compact bone
fills the space.
In which type of tissue would
you expect to find the most
mitochondria?
a. bicep
b. hair
c. arm bone
d. skin
Which would not be possible if
the triceps muscle were
severed?
a. extending the arm straight out
b. bending the forearm toward the
shoulder
c. opening and closing the hand
d. rotating the thumb
What would result if the heart
were made of skeletal
muscle?
a. It would beat according to its own pacemaker.
b. It would not contain any striations when
dissected.
c. You would have to think about controlling its
beating.
d. It would not be strong enough to pump blood
throughout the body.
Epithelial cells are similar to the
shingles of a roof in that they are both
flat and overlap. How does this
structure aid in their function?
a. It allows the individual cells to shed more
easily.
b. It allows the whole structure of the skin to
be lightweight.
c. It allows them to form a barrier to the
outside.
d. It allows them to use small amounts of
space.
What might occur if a scab does not
form over a cut that has damaged blood
vessels?
a. Bacteria may enter the body.
b. Skin cells may not divide.
c. The cut may not bleed.
d. White blood cells will attack the skin.
Leukemia results when an excess of
defective blood cells are produced.
These defective cells interfere with the
production of normal blood cells. Which
of the following treatments would most
likely help someone with leukemia?
a. blood transfusion
b. bone marrow transplant
c. muscle relaxers
d. skin graft
Which of the following best explains
why sprinters are not usually good at
long-distance running.
a. Long distance running requires more
training than sprinting.
b. Sprinters have more mitochondria, which
slows them down over time.
c. Sprinters’ muscles get tired after short
distances.
d. The myoglobin of sprinters does not
function properly.
Which best explains why
chicken wings are considered
dark meat?
a. They have high energy demands and must
store a lot of oxygen.
b. They contain many myofibrils.
c. They are used for flying, which requires
short bursts of energy.
d. They contain few mitochondria.
A student states that the contraction of a skeletal
muscle begins when a nerve impulse causes
calcium to be released. The calcium causes the
actin and myosin filaments to attach, then myosin
begins to move, contracting the muscle.
Which evaluation of this answer is most
appropriate?
a. The answer is correct.
b. Actin filaments move, not myosin.
c. Calcium is not involved in muscle contraction.
d. The sequence of events is incorrect.
A person running for a long period of time
feels tired. She keeps running and feels
her breathing quicken. Which explains
what is most likely happening in the cells
of her leg muscles?
a. The fast-twitch muscles are taking over in the leg.
b. The excess ATP produced is used for breathing.
c. Oxygen is taken from the muscles to be used in the
lungs.
d. The cells have switched from aerobic to anaerobic
respiration.
A person describes a burn as being painless.
Upon evaluation, you determine that he has
suffered a bad burn. Which of the following
best explains why he feels no pain
associated with the burn?
a. Damage to the dermis destroyed the nerve
cells.
b. Damage only occurred in the epidermal layer.
c. The damaged cells were shed from the body.
d. Damage to pain receptors was prevented by
keratin.
Epithelial cells are found in the
____________________.
When the fur on a cat’s back
rises, a phenomenon similar
to ____________________ in
humans, is occurring.
If the muscle labeled _____ in the
picture was injured, it would be difficult
to extend the leg.
The molecule that stores
oxygen in muscle tissue is
____________________.
The integumentary system is
made up of epithelial,
nervous, connective, and
____________________
tissue.
Compare and contrast
epidermis and dermis.
Compare and contrast compact
bone and spongy bone.
How does the buildup of lactic
acid in muscle cells result in
more oxygen being delivered
to your cells?