histology

Question 1

primary tissue types

Answer 1

epithelial, connective,muscle,neural

Question 2

epithelial tissue covers

Answer 2

every exposed body surface, lines internal passageway chambers and produces glandular secretions.

Question 3

All connective tissues contain a fluid matrix containing

Answer 3

fibers and ground substance

Question 4

connective tissues are found

Answer 4

under skin beneath epithelial tissues.

Question 5

3 types of muscle tissue are

Answer 5

skeletal muscle, cardiac, smooth muscle

Question 6

neural tissue has two basic cell types

Answer 6

neurons (transmit info) neurolgia (support and protect)

Question 7

epithelial tissue does what

Answer 7

covers and protects, provides barrier and secretions

Question 8

connective tissues function

Answer 8

fills internal spaces, provides structural support and stores energy

Question 9

functions of muscle tissue

Answer 9

skeletal movement, soft tissue support, maintenance of blood flow, movement of materials through internal passageways( through muscle contractions) stabilization of body temp.

Question 10

neural tissue functions include

Answer 10

conducts electrical impulses and carries information through central and peripheral N.S.

Question 11

name the 11 organ systems

Answer 11

integumentary, skeletal,muscular, nervous, endocrine,cardiovascular,lymphatic,respiratory,digestive, urinary,reproductive

Question 12

explain the relationship between the skeletal and the digestive system.

Answer 12

the digestive system breaks down the nutrients need to fuel the body and be stored in the skeletal system.

Question 13

identify the major organs of the integumentary system

Answer 13

cutaneous membrane (epidermis, dermis) hair follicles, sweat glands, nails, sensory receptors, hypodermis (stores lipids)

Question 14

id major organs of skeletal system

Answer 14

bones, cartilage and joints ( axial and appendicular skeleton) bone marrow

Question 15

id major organs of the muscular system

Answer 15

skeletal muscles (axial and appendicular) tendons

Question 16

id the major nervous system

Answer 16

CNS ( Brain, spinal cord, senses), PNS

Question 17

id major organs of the endocrine system

Answer 17

Pineal gland, pituitary gland, thyroid, parathyroid, thymus, pancreas, adrenal, kidneys, ovaries or testes

Question 18

id major organs in the cardiovascular system

Answer 18

heart, blood vessels ( arteries, capillaries) and blood

Question 19

lymphatic system. id the major organs

Answer 19

lymph nodes, thymus spleen, lymphatic vessels ( carry lymph” water and proteins” and lymphocytes from peripheral veins to cardiovascular system.

Question 20

id the respiratory systems major organs

Answer 20

nasal cavites and paranasal sinuses, pharynx, larynx, trachea, bronchi, lungs

Question 21

id major organs of the digestive system

Answer 21

mouth, salivary glands, pharynx, esophagus, stomach, small intestines, large intestines, liver, gallbladder, pancreas

Question 22

urinary sytem, id major organ systems

Answer 22

kidneys, ureters, urinary bladder, urethra

Question 23

the internal organs that are partially or completely enclosed by body cavities are called

Answer 23

viscera or visceral organs

Question 24

body cavities protect internal organs and allow them to

Answer 24

change shape

Question 25

a serous membrane covers the ___________ and lines the true body cavitiesof the trunk

Answer 25

viscera

Question 26

each lung is enclosed within a _____ cavity lined by a slippery substance called______

Answer 26

pleural, pleura

Question 27

mass is the quantity of ____ in an object

Answer 27

matter

Question 28

atoms are the

Answer 28

smallest stable units of matter

Question 29

atoms are composed of subatomic particles

Answer 29

true

Question 30

the nucleus of an atom is at the center and contains

Answer 30

one or more protons and possibly neutrons

Question 31

protons have a + charge and electrons have - charge

Answer 31

true

Question 32

neutrons are neutral

Answer 32

true

Question 33

the whirling electrons around the nucleus create an

Answer 33

electron cloud

Question 34

acidosis is an abnormal physiological state caused by

Answer 34

low blood pH (below 7.35)

Question 35

an abnormally high pH level is called

Answer 35

alkalosis

Question 36

a solution with pH below 7 is acidic meaning it

Answer 36

contains more hydrogen ions than hydroxide

Question 37

a solution with a pH of 7 is neutral and has equal amounts of

Answer 37

hydrogen and hydroxide ions

Question 38

a pH above 7 is basic or ALKALINE meaning it has more

Answer 38

hydroxide ions than hydrogen

Question 39

an acid is any solute that dissociates in solution and releases hydrogen ions which

Answer 39

lowers the pH

Question 40

a base removes

Answer 40

hydrogen ions from a solution

Question 41

carbonic acid is a weak acid found in body fluids

Answer 41

true

Question 42

a salt is an ionic compound consisting of any cation except hydrogen and any anion except hydroxide

Answer 42

true

Question 43

buffers are compounds that ______ stabilize the pH of a solution by removing or replacing hydrogen ions

Answer 43

stabilize

Question 44

buffer systems consist of a weak acid and its related salt which function as a weak

Answer 44

base

Question 45

nucleic acids are large organic molecules composed of

Answer 45

carbon, hydrogen, oxygen and phospherous

Question 46

a type of nucleic acid called deoxyribonucleic is also called

Answer 46

DNA

Question 47

ribonucleic acid is called _______

Answer 47

RNA

Question 48

the primary role of nucleic acids is to

Answer 48

transport information specifically (info to cellular protein synthesis)