Exam 2 (Final)

All of the chemical reactions in a cell are known as?

Metabolism

The three types of protein fibers found in connective tissue are?

Collagen, elastin, reticular fibers

A tissue with one row of cube shaped cells would be this type of epithelium?

Simple cuboidal

During the S phase of interphase what occurs?

DNA replication occurs

Which of the following would you normally expect to find in the alveoli of the lungs?

Simples squamous epithelium

Light-skinned races such as caucasians have?

Approximately the same number of melanocytes than races with darker skin

This tissue forms the most superficial layer of skin

Stratified squamous

Cartilage and bone cells are found within their respective matrix called?

Lacunae

What is the definition of tissue?

A group of similar cells with a common function

Where are you most likely to find transitional epithelial cells?

Urinary bladder

What epidermal layer consists of a single layers of cells adjacent to the basement membrane that undergo mitosis?

Stratum basale

Sweating results in the loss of body heat by what means?

Evaporation

What is mutation?

An error in a DNA sequence

Epidermis is composed of ____, whereas dermis is composed of ____

Stratified squamous epithelial tissue, dense irregular connective tissue

Second- degree burn is the same as a full thickness burn

False

Which of the following are functions of epithelial tissue?

Protection, secretion, and absorption

In treating a burn patient, how is the “rule of nines” used?

To estimate the surface area of the burn

What molecules stores energy in a form the cell can use?

ATP

How is the process of transcription and translation differ?

Transcription produces mRNA, and translation produces protein

What is anabolism?

Biochemical reactions that synthesize compounds

Which of the following is an example of catabolism?

Breakdown of glucose in the cytoplasm and mitochondria

What occurs during DNA replication?

New nucleotides are assembled into DNA strand that is complementary to existing DNA strand

The skin along with structures such as nails, hair, and sweat glands are apart of?

The integumentary system

Which of the following composes the extra cellular matrix?

Ground substance and protein fibers

Where are apocrine sweat glands most abundant?

In the axillae and groin

Histology is the study of

Tissue

Which of the following is NOT one of the four basic types of tissue?

membrane tissue

Which of the following is a characteristic of connective tissue?

It consists of cells within extra cellular material

What type of cell produces connective tissue fiber?

Fibroblast

A cofactor is_____. Examples are:

A necessary part of some enzymes; copper, iron, zinc (inorganic materials)

The reactions of cellular respiration occur in the

Mitochondria

Which of the following best describes the interaction between an enzyme and its substrate?

Part of the enzyme temporarily binds to part of the substrate molecule

What happens to keratinocytes as they are pushed from the deeper layers of the epidermis toward the surface?

They die

As body temperature increase, the dermal blood vessels are triggered to

Dilate

What is the overall function of cellular respiration?

To release energy from nutrient molecules to be used as cellular energy

Molecules that function to increase the rate of chemical reactions are called

Enzymes

The nail___ overlies the nail___

Plate; bed

How do merocrine, apocrine, and holocrine Secretions differ?

In the amount of cytoplasm secreted along with the glandular product