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VT 117 Lecture Exam 2

Total questions: 52

Worksheet time: 26mins

Name
Class
Date
1.

These junctions between muscle cells prevent separation of cells during contractile activities.

a)

Tight

b)

Gap

c)

Hemidesmosome

d)

Desmosome

2.

Epithelial tissue:

a)

Is used as a covering

b)

Is used as a lining

c)

Is used in glands

d)

Has a free surface

e)

All of the above

3.

This tissue, designed for rapid diffusion and filtration of substances, is found lining the heart, blood vessels, and air sacs of the lungs.

a)

Simple squamous epithelial

b)

Simple cuboidal epithelial

c)

Stratified squamous epithelial

d)

Stratified cuboidal epithelial

e)

Simple columnar epithelial

4.

Where in the body are you most likely to find transitional epithelial cells?

a)

Lining esophagus

b)

Outer layer of skin

c)

Urinary bladder

d)

Heart

e)

Covering skull bones

5.

The primary function of stratified epithelial tissues is:

a)

Absorption

b)

Secretion

c)

Protection

d)

Filtration

6.

Which fibers may be seen embedded in the matrix of connective tissue?

a)

Elastic

b)

Reticular

c)

Collagen

d)

All of the above

7.

All of the following are types of connective tissue except:

a)

Blood

b)

Bone

c)

Adipose

d)

Squamous

e)

Cartilage

8.

Where is the most common location for adipose tissue?

a)

Subcutaneous layer deep to skin

b)

Inside organs

c)

Covering brain

d)

Inside ear canal

e)

Cartilage

9.

The main function of dense connective tissues is:

a)

Storage of mineral

b)

Forms stroma of organs

c)

Reducing heat loss

d)

Strong attachment between structures

e)

Storage of fat

10.

The strongest type of cartilage, which is found joining bones together at symphyses, is:

a)

Elastic cartilage

b)

Hyaline cartilage

c)

Fibrocartilage

d)

Dense irregular cartilage

e)

Dense regular cartilage

11.

Which of the following is not true regarding mucous membranes?

a)

Line body cavities that open directly to the exterior

b)

Typically composed of simple squamous epithelium

c)

Secrete mucus

d)

Can be found lining the oral and sinus cavities

12.

This layer of the skin is composed of keratinized stratified squamous epithelium:

a)

Epidermis

b)

Dermis

c)

Hypodermis

d)

Subcutaneous

e)

Corpuscle

13.

This pigment absorbs ultraviolet light.

a)

Keratin

b)

Melanin

c)

Melatonin

d)

Carotene

e)

Nigrosin

14.

This layer of the skin is composed mainly of dense irregular connective tissue with collagen and elastic fibers.

a)

Hypodermis

b)

Basement membrane

c)

Epidermis

d)

Dermis

e)

Subcutaneous

15.

This skin structure acts to prevent excessive drying as well as inhibiting bacterial growth on the surface of the skin.

a)

Thick skin

b)

Nails

c)

Sweat glands

d)

Hair

e)

Sebaceous glands

16.

Hair functions to:

a)

Provide camouflage

b)

Maintain body temperature

c)

Provide protection

d)

Detect sensations

e)

All of the above

17.

Claws, hooves, and horns are composed of the same tissue as the epidermis.

a)

True

b)

False

18.

The tissue that holds the hoof onto the distal phalanx is the:

a)

Coronary band

b)

Periople

c)

Frog

d)

Lamina

e)

Coronet

19.

Which of the following is a function of the skeletal system?

a)

Body support

b)

Calcium homeostasis

c)

Protection of internal organs

d)

Blood cell production

e)

All of the above

20.

The end of a long bone is known as the:

a)

Diaphysis

b)

Epiphysis

c)

Osteophysis

d)

Metaphysis

21.

Which of the following labels is the best match for osteoblast?

a)

Releases calcium from bone

b)

Dissolves bone matrix

c)

Maintains the bone tissue

d)

Builds bone matrix

22.

The connective tissue surrounding the outside of the bone is called the:

a)

Endosteum

b)

Periosteum

c)

Epimysium

d)

Perimysium

e)

Perichondrium

23.

A hole through a bone is termed a ____________.

a)

Foramen

b)

Ramus

c)

Fossa

d)

Tubercle

24.

____________ bones develop inside tendons, commonly near the knees and digits.

a)

Irregular

b)

Sesamoid

c)

Short

d)

Long

25.

The articular cartilage of a typical long bone is composed of what type of cartilage?

a)

Elastic cartilage

b)

Synovial cartilage

c)

Hyaline cartilage

d)

Fibrocartilage

e)

Osseous cartilage

26.

In normal adult bones, older bone tissue is constantly being replaced by new bone tissue.

a)

True

b)

False

27.

Which of the following is not true regarding bone marrow?

a)

Red bone marrow forms blood cells

b)

The amount of red bone marrow increases as animals age

c)

Yellow bone marrow consists of adipose connective tissue

d)

Yellow bone marrow is the most common type of marrow in adult animals

e)

Yellow bone marrow can revert to red bone marrow if needed

28.

Which of the following is not true regarding intervertebral discs?

a)

Are located between the bodies of vertebrae

b)

The outer ring of the disc is composed of hyaline cartilage

c)

Inside the ring is a soft, pulpy substance

d)

Herniated discs can cause injury to the spinal cord

29.

Which of the following is true of surface markings of bone?

a)

They allow the passage of nerves and blood vessels

b)

They provide attachments for muscles

c)

They help form joints by providing attachment sites for ligaments

d)

They can be a depression or a projection

e)

All of the above

30.

Which of the following regarding the turbinates (nasal conchae) is false?

a)

They decrease the surface area in the nasal cavity

b)

They trap inhaled particles

c)

They enhance the sense of smell

d)

They humidify inhaled air

e)

They warm inhaled air

31.

Which vertebrae have foramen in the transverse processes?

a)

Cervical

b)

Thoracic

c)

Lumbar

d)

Sacral

e)

Coccygeal

32.

Paranasal sinuses:

a)

Are lined with mucous membranes

b)

Are continuous with the nasal cavity

c)

Lighten the mass of the skull

d)

Serve as resonating chambers

e)

All of the above

33.

A movement toward the midline of the body is termed:

a)

Elevation

b)

Abduction

c)

Adduction

d)

Flexion

e)

Extension

34.

In the knee joint, the medial and lateral menisci:

a)

Reduce friction between the articulating bones

b)

Conform to the shape of the articulating surfaces allowing the bones to fit together more tightly

c)

Secrete synovial fluid

d)

Are made of hyaline cartilage

35.

The ligaments that limit the cranial-caudal movement of the femur and maintain the alignment of the femur and tibia are the ______ ligaments:

a)

Cruciate

b)

Collateral

c)

Patellar

d)

Popliteal

36.

Which type of joint is freely movable?

a)

Synovial

b)

Fibrous

c)

Cartilaginous

d)

Suture

e)

Symphysis

37.

If a tumor secretes high levels of osteoclast-activating factor, which of the following would you expect to occur because of this condition?

a)

Decrease in blood levels of calcium

b)

Formation of bone matrix

c)

Bone fragility

d)

Increased bone density

e)

All of the above

38.

Which of the following is true regarding aging and joints?

a)

Production of synovial fluid increases

b)

Articular cartilage becomes thicker

c)

Ligaments become more flexible

d)

Range of motion decreases

39.

Constant exposure of skin to friction stimulates the thickening of which layer of the epidermis?

a)

Stratum basale

b)

Stratum spinosum

c)

Stratum granulosum

d)

Stratum lucidum

e)

Stratum corneum

40.

Muscle relaxation occurs when:

a)

Calcium ions diffuse out of the sarcoplasmic reticulum

b)

Calcium ions are actively transported out of the sarcoplasmic reticulum

c)

Calcium ions are actively transported into the sarcoplasmic reticulum

d)

Calcium ions diffuse into the sarcoplasmic reticulum

41.

Which of the following is a function of muscular tissue?

a)

Produce movement

b)

Maintain posture

c)

Maintain body temperature

d)

Store substances within the body

e)

All of the above

42.

The dense layer of connective tissue that surrounds an individual muscle fiber is the ____________.

a)

Tendon

b)

Epimysium

c)

Endomysium

d)

Perimysium

43.

Skeletal muscle fibers differ from “typical cells” in that skeletal muscle fibers ____________.

a)

Undergo cell division

b)

Have many nuclei

c)

Lack a plasma membrane

d)

Lack mitochondria

e)

Are very small

44.

In response to action potentials, the sarcoplasmic reticulum releases:

a)

Acetylcholine

b)

Sodium ions

c)

Potassium ions

d)

Calcium ions

e)

Hydrogen ions

45.

Creatine phosphate and ATP together provide enough energy for a muscle to contract for:

a)

5 seconds

b)

15 seconds

c)

30 seconds

d)

1 minute

46.

During anaerobic cellular respiration (glycolysis), which of the following occurs?

a)

Glucose is broken down

b)

ATP is produced

c)

Lactic acid is produced

d)

Oxygen is not consumed

e)

All of the above

47.

Which of the following is a characteristic of smooth muscle?

a)

Neurons that innervate smooth muscles are under voluntary control

b)

Smooth muscles are multinucleate

c)

Smooth muscles are striated

d)

The thin filaments of smooth muscle fibers attach to dense bodies

48.

At the end of each skeletal muscle, the collagen fibers of the epimysium, and each perimysium and endomysium, come together to form a:

a)

Tendon

b)

Satellite cell

c)

Ligament

d)

Sheath

49.

When a skeletal muscle fiber contracts, which of the following occurs?

a)

The sarcomere lengthens

b)

The overlap of the myosin and actin filaments decreases

c)

The Z lines get closer together

d)

The thin filaments are moved away from the M line

e)

All of the above

50.

Compared to skeletal muscle, which of the following is unique to cardiac muscle tissue?

a)

Myosin

b)

Actin

c)

Sarcomeres

d)

Intercalated discs

e)

Striations

51.

The tendon sheaths of the biceps femoris, semitendinosus, and semimembranosus muscles form the linea alba.

a)

True

b)

False

52.

The latent phase is the time between a nerve stimulus and the beginning of the next contraction.

a)

True

b)

False

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