Week 2 quiz

Lymphatic tissue is composed of mostly

reticular connective tissue

Which cutaneous gland produces sebum?

sebaceous

____ are small hair-like extensions that produce movement across the surface of cells.

Cilia

The respiratory tract is lined with which tissue type?

Epithelial

The chromosomes shorten and thicken, becoming visible, during

prophase

Fibrosis

scar tissue that replaces damaged tissue

osteocyte

bone cells

extracellular matrix

found in connective tissue

cutaneous membrane

makes our skin

mucous membrane

epithelial membrane that secretes a fluid-like substance

Which cells protect and support neurons?

neuroglia

In what tissue would a sarcoma originate?

connective

stratum basal

deepest layer of the epidermis, contains stem cells

dermis

layer of the skin made of collagen fibers and connective tissue

hypodermis

deepest layer of the skin

stratum corneum

outermost layer of the epidermis, mostly dead cells

epidermis

layer of the skin with no blood vessels

Which of the following statements correctly describes nervous tissue?

tissue that allows for communication through chemical and electrical signals

What type of hair is thick, coarse, and heavily pigmented?

terminal

What is histology?

the study of tissues

Which of the following is placed in correct order of mitosis?

interphase, prophase, metaphase, anaphase, telophase

Which of the following correctly describes passive transport?

transport of materials across the cell membrane without the use of energy

single layer of tall/rectangular cells

simple columnar

single layer of flat cells

simple squamous

single layer of square cells

simple cuboidal

makes up the skin, lines the esophagus and mouth

stratified squamous

often found in the bladder and urethra, good at stretching

transitional

Which cells clean up cellular debris and bacteria in a wound?

white blood cells

Protein synthesis involves which two stages?

transcription and translation

The fact that the epidermis is waterproof allows the skin to preform what function?

water retention

Which statement best describes the life cycle of an epidermal cell?

New epithelial cells in the stratum basal push older cells upward; as the cells move up layer by layer, they toughen and die

What is the white opaque “moon” often found at the proximal end of a fingernail called?

lunula

a key component of connective tissue

extracellular matrix

lines the interior of the esophagus

mucous membrane

outer layer of fertilized egg

ectoderm

middle layer of fertilized egg

mesoderm

secretes fluid that prevents friction as the lungs expand

serous membrane

The hardness of bone is due to mineral crystals contained within the extracellular matrix.

true

second degree

damage of the epidermis and dermis

first degree

damage of the epidermis

rule of nines

divides the body into areas of 9%

Can you burn a patient with an MRI machine?

yes

third degree

damage of the epidermis, dermis, and hypodermis

Which statement correctly describes the effect of aging on hair?

terminal hairs become coarser

What is the purpose of cornification?

to form a durable, waterproof layer on the surface of the skin

Which of the following correctly describes a malignant neoplasm?

A neoplasm in which cells have broken off and travelled to other parts of the body where they are producing more abnormal cells

erythema

redness, due to overheating, sunburn, etc

hematoma

bruising due to injury

cyanosis

blue tint due to low oxygen

jaundice

yellow color due to liver function issue

pallor

pale skin due to cold or stress

Which statement describes a malignant tumor?

malignant tumors spread to other areas of the body

which skin infection is caused by a bacterium?

cellulitis

What is the body’s largest organ?

skin

Infarction is defined as ____.

sudden tissue death resulting from the loss of blood supply

Because the skin acts as a barrier, medications are not readily absorbed.

false

In what tissue would lymphoma originate?

lymphoid

Which of the following statements best describes mitosis?

mitosis is a type of cell division that involves all cell types except sperm and egg cells

Sperm use _____ for movement.

flagella

Facilitated diffusion depends on which structure?

protein molecule in the cell membrane

lysosomes

contains digestive enzymes and garbage disposal

golgi apparatus

packages and transports proteins

plasma membrane

outer layer of the cell

nuclear pores

pores on the nucleus

mitochondria

produces energy for the cell

cell’s “powerhouses”

mitochondria

contains the DNA for the cell

nucleus

known as cellular garbage disposals

lysosomes

the supporting framework of the cell

cytoskeleton

processes proteins and packages them for export to other parts of the cell

golgi apparatus

makes proteins and other molecules for the cell

endoplasmic reticulum

Which of the following is not a stage of a hair’s life cycle?

dormant

cardiac muscle

short striated cells with one nuclei per cell and intercalated discs

neurons

cells that assist conduct nerve impulses

smooth muscle

long spindle shaped cells, not striated, one nuclei per cell

skeletal muscle

long thin cells that are striated and have multiple nuclei per cell

neuroglia

cells that assist in the nervous system

protects nucleus from sun damage

melanin

outermost layer of the skin

epidermis

outermost layer of epidermis

stratum corneum

inner layer of epidermis

stratum basal

secretes sweat

eccrine gland

inner layer of the skin

dermis

Which statement incorrectly describes a change in skin as it ages?

blood vessels are quicker to respond to temperature regulation

What type of connective tissue is made of enlarged fibroblasts that are filled with fat, and provides insulation, padding, and energy storage?

adipose tissue

exocytosis

large particles are released out of the cell using vesicles

diffusion

particles move from high to low concentration