13 Jun BIO 160 Which of the following describes the order of epidermal layers
Question
Question
1 of 50
Which of the following describes the order of epidermal layers a needle would pierce if placed in
the sole of the foot?
1. stratum basale
2. stratum corneum
3. stratum granulosum
4. stratum lucidum
5. stratum spinosum
2, 4, 3, 5, 1
1, 3, 5, 2, 4
2, 3, 4, 1, 5
2, 3, 5, 1, 4
1, 5, 3, 4, 2
Question
2 of 50
What is the name of the clear layer of epidermis in which cells die because of their inability to
get nutrients and oxygen?
Stratum lucidum
Stratum granulosum
Stratum basale
Stratum corneum
Stratum spinosum
Question
3 of 50
A splinter penetrates to the deepest layer of the epidermis on the foot. What is this layer called?
Stratum granulosum
Stratum corneum
Stratum basale
Stratum spinosum
Stratum lucidum
Question
4 of 50
What is the name of the finger-like upward projections of the dermis into the epidermis?
Pacinian corpuscles
Hair follicles
Dermal papillae
Hair bulbs
Meissner’s corpuscles
Question
5 of 50
What forms the dermis?
Fibrous connective tissue
Loose connective tissue
Epithelial tissue
Adipose tissue
Skeletal muscle
Question
6 of 50
Where are the blood vessels that supply skin cells found?
In the epidermis alone
In the epidermis and dermis
In the subcutaneous layer alone
In the dermis and subcutaneous layer
In the hypodermis only
Question
7 of 50
Which of the following is/are found in the dermis?
Melanocytes
Keratin
Stratum corneum
Pain and touch receptors
stratum spinosum
Question
8 of 50
Which of the following is not an epidermal derivative?
Sweat glands
Sebaceous glands
Hair follicles
Sensory receptors
Nail
Question
9 of 50
What is the main function of melanocytes?
To remove dead cells by phagocytosis.
To help control body temperature.
To protect deeper cells from sunlight.
To produce vitamin D.
To detect sensory impulses.
Question
10 of 50
What substance(s) is/are secreted by the eccrine glands?
Fatty substances, antibodies, and trace amounts of minerals and vitamins
Primarily uric acid
Solely metabolic wastes
Basic proteins
Mostly water, sodium chloride, and trace amounts of wastes, lactic acid, and vitamin C
Question
11 of 50
Which of the following describes how the secretion of sweat is stimulated?
As a protective coating when one is swimming
When the air temperature drops
By hormones, especially male sex hormones
By high temperatures
Both by high temperatures and by hormones
Question
12 of 50
Acne is a disorder associated with inflammation of which of the following?
Apocrine sweat glands
Sebaceous glands
Eccrine sweat glands
Hair follicles
Nail matrix
Question
13 of 50
When the body temperature rises, which of the following takes place?
Eccrine glands become active.
Arrector pili muscles contract.
Pacinian corpuscles are stimulated.
Blood is prevented from reaching skin capillary beds.
All of the above.
Question
14 of 50
Destruction of the hair bulb would result in its inability to do which of the following?
Produce goose bumps
Grow
Resist drying
Produce oil
Produce perspiration
Question
15 of 50
In order to warm the body up when cold which of the following occurs?
The arrector pili muscles contract to stand hairs upright.
Sudoriferous glands release sweat.
Vitamin D is synthesized.
Sebaceous glands release oil.
Melanin is produced.
Question
16 of 50
What are nails composed of?
Carotene
Melanin
Keratin
Hemoglobin
Sebum
Question
17 of 50
What is the first threat to life from a massive third-degree burn?
Loss of immune function
Infection
Dehydration
Unbearable pain
Blood loss
Question
18 of 50
Which of the following is an indication of melanoma?
A pigmented spot that contains areas of different colors
A pigmented spot that has smooth borders
A symmetrical mole
A pigmented spot that is black
A spot on the skin that is smaller than the size of a pencil eraser
Question
19 of 50
Which of the following homeostatic imbalances is caused by skin exposure to chemicals?
Cyanosis
Athlete’s foot
Impetigo
Contact dermatitis
Cold sores
Question
20 of 50
Which of the following bones is NOT considered part of the appendicular skeleton?
Sternum
Metatarsals
Radius
Femur
Scapula
Question
21 of 50
Which of the following is NOT included in the appendicular skeleton?
Pectoral girdle
Vertebral column
Upper limbs
Pelvic girdle
Ulna
Question
22 of 50
Select the option that describes the components of the axial skeleton.
1. Skull
2. Arms and legs
3. Ribs and sternum
4. Vertebrae
5. Pelvic girdles
2, 5
2, 3, 4, 5
1, 3, 4
1, 2, 3, 5
1, 3, 4, 5
Question
23 of 50
Which of the following is NOT a function of the skeletal system?
Support
Movement
Storage
Constraint
Hematopoiesis
Question
24 of 50
What tiny canal connects central (Haversian) canals to lacunae in compact bone?
Perforating canal
Osteon
Lamella
Canaliculus
Periosteum
Question
25 of 50
What are the small cavities in bone tissue where osteocytes are found?
Haversian canals
Trabeculae
Volkmann’s canals
Lamellae
Lacunae
Question
26 of 50
Red bone marrow functions in the formation of which of the following?
Red blood cells and platelets
White blood cells only
Red and white blood cells only
Red and white blood cells and platelets
Platelets only
Question
27 of 50
Which of the following groups of bones in the human body, categorized according to shape, is
correct?
Wrist and ankle bones ? long bones
Arm and leg bones ? short bones
Cranium ? sesamoid bones
Skull bones ? flat bones
Coxal bones ? short bones
Question
28 of 50
The femur, tibia, humerus, and radius are all classified as which of the following?
Flat bones
Compact bones
Sesamoid bones
Long bones
Irregular bones
Question
29 of 50
What does the presence of an epiphyseal plate indicate?
The bone is dead.
The bone length is increasing.
The bone diameter is increasing.
The bone diameter is decreasing.
The bone length is no longer increasing.
Question
30 of 50
What is the name for a round or oval opening through a bone?
Fissure
Foramen
Fossa
Facet
Trochanter
Question
31 of 50
What is the name of a shallow, basin-like depression in a bone often serving as an articular
surface?
Foramen
Sinus
Fossa
Groove
Meatus
Question
32 of 50
What kind of tissue is the forerunner of long bones in the embryo?
Dense fibrous connective tissue
Loose fibrous connective tissue
Hyaline cartilage
Elastic connective tissue
Fibrocartilage
Question
33 of 50
What factor(s) determine(s) where bone matrix is to be remodeled?
Calcium level of the blood
Sex hormones
Growth hormone
Parathyroid hormone (PTH)
Stresses of gravity and muscle pull on the skeleton
Question
34 of 50
The healing of a bone fracture has four stages. Which of the following best illustrates the
sequence of these stages?
1. Bony callus formation
2. Bone remodeling
3. Fibrocartilage callus formation
4. Hematoma formation
1, 3, 4, 2
4, 3, 1, 2
1, 3, 2, 4
4, 3, 2, 1
1, 2, 3, 4
Question
35 of 50
A compound fracture can be described as which of the following?
The broken bone ends are forced into each other.
Adjacent bones fracture simultaneously.
The broken bone is exposed to the outside.
The bone is broken into many fragments.
The bone is crushed.
Question
36 of 50
What is the name of bone destroying cells?
Osteoblasts
Osteoclasts
Osteocytes
Lacunae
Natural killer cells
Question
37 of 50
Bone formation can be referred to as which of the following?
Osteoarthritis
Ossification
Gout
Rickets
Osteoporosis
Question
38 of 50
What is the proper name for the shaft of a long bone?
Epiphysis
Periosteum
Diaphysis
Osteon
Haversian canal
Question
39 of 50
Why is the hyoid bone unique?
It has an unusual shape.
It is the only bone of the body that does not directly articulate with any other bone.
It is covered with mucosa.
It largely consists of cartilage.
It has no specific function.
Question
40 of 50
Which of the following describes the atlas?
Part of the sacrum
Last lumbar vertebra
First cervical vertebra
First thoracic vertebra
Second cervical vertebra
Question
41 of 50
What is the name of the suture found between the parietal and occipital bone?
Lambdoid suture
Squamous suture
Sagittal suture
Coronal suture
Both the squamous suture and the sagittal suture
Question
42 of 50
All of the following facial bones are paired except one. Which of the following is the unpaired
facial bone?
Lacrimal
Palatine
Vomer
Zygomatic
Maxillae
Question
43 of 50
The sternum is the result of fusion of what three bones?
Pubis, ischium, ilium
Manubrium, body, xiphoid process
True ribs, manubrium, xiphoid process
Ischium, ilium, coccyx
Jugular notch, sternal angle, xiphisternal joint
Question
44 of 50
Which of the following is the tailbone?
Sacrum
Pubis
Coccyx
Ischium
Patella
Question
45 of 50
Four of the five answers listed below are parts of the same anatomical area. Which of the
following is the exception?
Clavicle
Humerus
Scapula
Fibula
Radius
Question
46 of 50
Which of the following is correct regarding the female pelvis when comparing it with the male
pelvis?
The distance between the female ischial tuberosities is less.
The female pelvis as a whole is deeper, and the bones are heavier and thicker.
The female iliac bones are less flared.
The distance between the female ischial spines is greater.
The angle of the female pubic arch is smaller.
Question
47 of 50
Articulations permitting only slight degrees of movement are __________, whereas articulations
permitting no movement are called __________.
synarthroses; amphiarthroses
diarthroses; amphiarthroses
diarthroses; synarthroses
amphiarthroses; diarthroses
amphiarthroses; synarthroses
Question
48 of 50
Which of the following apply to diarthroses?
Exhibit a joint cavity
Sutures
Are immovable
Slightly movable
a and d
Question
49 of 50
The joints between the vertebrae of the backbone are best described as which of the following?
Immovable
Slightly movable
Freely movable
Synovial
Hinge
Question
50 of 50
What connective tissue articulates one bone to another?
Elastic connective tissue
Adipose tissue
Ligaments
Tendons
Areolar connective tissue
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