final

What is the secretion of eccrine sweat composed of?

99% water, sodium chloride, trace amounts of waste, vitamin C

DNA replication takes place during what phase of the cell cycle?

Interphase

Which of the following shows the correct order of phases of the cell cycle?

Interphase, prophase, metaphase, anaphase, telophase.

which organelle produces most of the atp?

Mitochondria

What are the steps in tissue repair?

Restoration of blood supply, regeneration, an inflammation

What cell is responsible for fuel storage?

adipocytes

The subdural space lies between what two meninges?

arachnoid and pia

excitation-contraction requires what substance

calcium and atp

what is an accurate description of the cellular level of organization?

cells are composed of different molecules that interact to form larger structures, each type of which has a specific function

where are the cells with microvilli commonly found?

cells that are actively engaged in absorption

which primary tissue type has an extensive cellular matrix?

connective tissue

What cells arise from the bone marrow and migrate to the epidermis and protect action of immune cells?

dendritic cells

Where is the primary ossification center of long bone?

diaphysis

what part of each spinal nerve innervates the skin and muscles of back

dorsal ramus

Whats the most abundant and widespread type of sweat gland?

eccrine

what ciliated neuroglia cells play an active roll in moving cerebral spinal fluid

ependymal cells

Which structures make up the diencephalon?

epithalamus, thalamus, hypothalamus

what are the primary tissue types?

epithelial, connective, muscle, nervous

Which choice includes only structures enclosed within the superior mediastinum?

esophagus, trachea, thymus

what type of membrane transport requires a protein helper?

facilitated transport, primary active transport, secondary active transport

which cellular organelle is responsible for packaging and transporting proteins destined for export from the cell?

golgi apparatus

What type of cartilage forms the embryonic skeleton?

hyaline

What are the most abundant cells in the epidermis?

keratinocytes

what is considered an inclusion not an organelle?

lipids

which cellular function requires centrioles?

moves chromosomes during cell division

What are the only important unicellular glands?

mucous cells and goblet cells

How is a gene best defined?

noncoding segments of DNA up to a hundred thousand nucleotides long

which choice includes items that are survival needs of the body?

nutrients, water, atmospheric pressure, oxygen

What cells in the CNS form myelin?

oligodendrocytes

what are the branches of the trigeminal nerve

opthalmic branch, maxillary branch, mandibular branch

In the bone matrix, osteoblasts become trapped by the matrix and become what type of cells?

osteocytes

Which molecule is made during translation ?

polypetide chains

where do pre ganglionic fibers synapse

post ganglionic neurons

what are receptors that monitor muscle tension and joint position

proprioceptors

Which cellular organelle consists of a network of intracellular membranes with attached ribosomes?

rough endoplasmic reticulum

which plexus arise from L4-S4

sacral plexus

what is the epithelium tissue found in the lining of kidney tubules?

simple cuboidal epithelial

Which single celled layer of epithelia forms a lining of serous membrane?

simple squamous

What type of cells are related to diffusion and filtration

simple squamous cells

what organelle would be present in a lipid based concentration?

smooth endoplasmic reticulumn

What type of muscle fiber has caveolae but no t-tubules?

smooth muscle cells

What is happening when a skeletal muscle cell contracts and the muscle cell shortens?

some myosin heads are forming cross bridges while others are releasing them.

What type of tissue makes up the epidermis?

stratified squamous epithelium

What are the layers of the epidermis?

stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

what are clusters of ganglionic sympathetic neurons on the spinal cord called

sympathetic trunk ganglion

what are the cells that are associated with sensory receptors?

tactile cells

How is the mechanism of contraction in smooth muscle different than skeletal muscle?

the molecule that calcium binds to is different

what waves are active in sleep

theta waves

What is the fate of the chondrocytes that are present when the bone is forming?

they die and they replace stem cells

What glands produce hormones that decrease blood calcium levels?

thyroid gland

Which type of membrane junction prevents the leakage of fluids between cells into deeper layers of tissue

tight junctions

Whats the function of t-tubules

transmitting electrical signal through entire muscle

what are the mixed function cranial nerves

trigeminal , facial, glossopharyngeal , vagus