A&P exam 2 Review

Which of the following is not a feature that connective tissues have in common

A calcified matrix

The plasma membrane is selectively permeable. This means

only certain substances can pass through it.

The type of muscle found in the walls of blood vessels is _______ muscle

smooth

Epithelial tissue is characterized by

tightly packed cells

Which type of the cell forms bone?

osteoblast

Identify the two functional subdivisions of the peripheral nervous system.

- Motor division - Sensory division

Select the regions that are composed of loose connective tissue.

- Papillary layer of dermis - Subcutaneous tissue or hypodermis.

Identify the functions of the integumentary system.

-Resistance on infection. - Sensation of environmental stimuli. - Thermoregulation.

Identify the functions of the nervous system.

-controlling muscles and glands -integrating information -receiving sensory input

Which type of transport proteins use cell energy to move molecules across the plasma membrane?

ATP- powered pumps

Which type of gland discharges fragments of the gland's cells during secretion

Apocrine

A tissue that has a fluid matrix is ____-

Blood

Which type of tissue possesses an abundant extracellular matrix?

Connective tissue

Which of the following is mismatched A) Central Nervous system- brain B) Autonomic nervous system- sympathetic and parasympathetic divisions. C) Peripheral nervous system- spinal nerves D) Somatic nervous system- sensory divisions of PNS. E) Peripheral nervous system- Sensory and motor divisions

D) Somatic nervous system- sensory division of PNS

What type of process conducts nerve impulses toward the cell body?

Dendrite

Which type of connective tissue is found in tendons and ligaments?

Dense regular collagenous tissue

What is a disc-shaped structure with especially adhesive glycoproteins around each cell that bind cells to one another?

Desmosomes

Muscular tissue consists of which type of cells or fibers?

Elongated fibers (cells) that are specialized to contract.

Indicate the class of tissue that is capable of regeneration, is avascular, and consist of the cells that are bound to each other visa specialized junctions.

Epithelia tissue

adipose tissue

Functions as an insulator and a site of energy storage.

Which of the following is not a feature that almost all connective tissues have un common?

Ground substance is so scarce that it is not visible with a light microscope.

What attaches epithelial cells to the basement membrane?

Hemidesmosomes

Which type of gland accumulated its secretion in the cytoplasm of the cell, the cell then ruptures and becomes part of the secretion?

Holocrine

Swell red blood cells (image)

Hypotonic solution

Which of the following is not a complication of a major burn?

Increased immunity

Describe the effect of exposure to UV rays on the skin.

Increased melanin synthesis

Cells of the epidermis called____ are part of the immune system.

Langerhans cells

______ pressure is the force required to prevent the movement of water by osmosis across a selectively permeable membrane.

Osmotic

Which of the following functions is associated with the skin?

Protection against ultraviolet radiation of the sun.

Indicate whether each statement is true or false regarding the function of the epidermis.

Resists abrasion- True Promotes water loss- False Responsible for the structural strength of the skin- False Protects against water loss- True

Which of the following is a function of epithelial tissue ?

Secretion and absorption of molecules

Which type of muscle is found in the wall of digestive tract?

Smooth muscle

Which type of membrane lines joint cavities?

Synovial

A tissue sample has the following characteristics: large cells with many processes, one which is very long; smaller cells scattered amongst the larger cell. Which of the following statements accurately identified the tissue?

The tissue is nervous tissue. The large cells are neurons with dendrites and a long axon, and the smaller cells are glia.

Indicate whether each statement is true or false.

Thin skin generally does not contain the stratum lucidum.- true Thick skin is found in areas of high friction, such as the palms of the hands and the soles of the feet. -true Thick skin is generally more flexible than thin skin.- false Hair is found in both thin skin and thick skin.- false

Indicate whether each statement is true or false regarding functions of the integumentary system.

Vitamin D production- True Protein- True Provide structural support to underlying bones-False Excretion- True Temperature regulation- True Metabolize keratin- False Sensation- True

In______, carrier molecules move a substance against (up) its concentration gradient.

active transport

The subcutaneous layer consists of areolar connective tissue and_______ connective tissue. The subcutaneous layer is ____ to the dermis. The connective tissue fivers that extend from the dermis into the subcutaneous layer help_______ the skin in reaction to underlying structures. The subcutaneous layer is usually _______ in women than in men.

adipose; deep; stabilize; insulation; thicker

Vitamin A, a fat-soluble vitamin, would move across the plasma membrane into the cell

by dissolving in the lipid bilayer

Which type of cell forms cartilage

chondroblast

Support, attachment of tissues, cushioning and protection are examples of functions for ______ tissue.

connective

Muscle tissue is characterized by its

contractility

The aroma of cookies baking in the kitchen reaches you in the living room. The distribution of this odor throughout the house is an example of___

diffusion

The bulk uptake of material by the formation of a vesicle called

endocytosis

Which type of tissue forms linings or coverings?

epithelial tissue

The four primary tissues types are

epithelial. connective, muscle, and nervous

An intercalated disc is an example location of

gap junctions

Support cells of the brain and spinal cord are called

glia

If a 0.9% NaCI (saline) solution is isotonic to a cell, then a solution of 3.5% NaCI would be

hypertonic to the cell

Pinocytosis

involved ingestion of liquids rather than particles.

When comparing the dermis with the subcutaneous tissue, the dermis

is divided into two layers; the subcutaneous tissue is not.

The dermis

is responsible for most of the skin's structural strength.

Endocytosis

is the bulk uptake of material through the plasma membrane by vesicle formation.

Molecules that serve as chemical signals to open or close gated ion channels are

ligands

Keratinization

produces a layer of cells that resist abrasion

Active transport

requires ATP

The type of membrane that protects internal organs from friction is a membrane.

serous

The epidermis consists of ________epithelium

stratified squamous

A runner produced hypotonic sweat while running a marathon in hot weather then, after the race, drank large volumes of water. A a result of this water intake, body cells will

swell