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50 Cards in this Set

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mutation
myoo-TAY-shun): a change in a cell's genetic material. Once the genetic material has changed, the change is inherited by the offspring of that cell.
myeloma:
a cancer originating in the cells of the bone marrow.
naproxen sodium
(na-PROX-en): a drug that relieves fever, pain, and inflammation. It provides longer relief from a single dose than other com­mon pain relievers.
narcotic antagonists:
drugs that oppose the actions of other drugs. The word antagonist means something or someone who struggles with, or opposes, another.
Narcotics Anonymous (NA
free, self-help program of addiction recovery. It uses a 12-step program, promotes personal growth, and leads to the person's helping others to recover.
narcotics:
habit-forming drugs that relieve pain and produce sleep when taken in moderate doses. Also called opiates, because most are derived from the opium poppy.
naturopathic medicine:
: a mixture of traditional and alternative therapies.
needs
urgent wants for necessary things.
nervous system
the body system of nervous tissues-organized into the brain, spinal cord, and nerves-that send and receive messages and inte­grate the body's activities.
neural (NER-uhl) tube defects
: a group of birth defects caused by inter­ruption of normal development of the neural tube, the tissue from which the brain and spinal cord form. The term neural refers to nerve tissues
. nicotine (
(NICK-oh-teen): an addictive drug present in tobacco.
night blindness:
slow recovery of vision after flashes of bright light at night; an early symptom of vitamin A deficiency.
nonconformist:
person who does not share society's values and there­fore behaves in unconventional ways.
nontraditional family:
a group of unrelated people who live together and offer support to one another.
norepinephrine:
one of the stress hormones; also called noradrenaline
nuclear family:
a mother and father and their natural or adopted chil­dren
nucleus: inside
a cell, the structure that contains the genes.
nutrient deficiencies
(dee-FISH-en-sees): too little of one or more nutrients in the diet; a form of malnutrition
nutrients:
compounds in food that the body requires for proper growth, maintenance, and functioning.
obesity:
overfatness to the point of injuring health. Obesity is often defined as 20 percent or more above the appropriate weight for height
opiates:
a group of drugs derived from the opium poppy that relieve pain and induce sleep. Also known as narcotics.
obsessive-compulsive disorder
the uncontrollable need to perform repetitive acts.
opium:
a narcotic drug that relieves pain and induces sleep, made from the opium poppy.
organs:
whole units, made of tissues, that perform specific jobs.
ostracism
rejection and exclusion from society.
ova
the female cells of reproduction. Ova are also called eggs.
over-the-counter
OrC) drugs: drugs legally available without a pre­scription.
overload:
an extra physical demand placed on the body.
overnutrition:
too much food energy or excess nutrients to the degree of causing disease or increasing risk of disease; a form of malnutrition.
. ovulation
: the ripening and release of an ovum.
ozone layer
layer: a layer of ozone in the earth's outer atmosphere that pro­tects living things on earth from harmful ultraviolet radiation from the sun
ozone:
: a substance created when certain types of energy, such as the sun's ultra-violet rays, react with oxygen. When this reaction takes place high above the earth in the outer atmosphere, the ozone absorbs the most dan­gerous UV rays.
pacemaker:
a device that delivers electrical impulses to the heart to reg­
Pap test:
ulate the heartbeat.
parasites:
living things that depend for nourishment on the bodies of oth­ers that they inhabit.
passive abuse:
abuse involving not taking needed actions, such as neglecting to provide food or shelter to a dependent victim.
passive:
: possessing the characteristic of not expressing feelings appropri­ately, of remaining silent.
PCP (phencyclidine hydrochloride):
: a drug of abuse; an animal tranquilizer, abused by human beings as a hallucinogen.
PCP (Pneumocystis carin;; pneumonia):
the pneumonia character­istic of AIDS.
pediatrician:
: a specialist concerned with the health care of infants and children.
peer pressure:
peer groups: groups of people who are similar in age and stage of life.
pelvic inflanunatory disease
(PID): an infection of the fallopian tubes and pelvic cavity in women, causing ectopic pregnancy and pregnancy failures.
perception:
a meaning given to an event or occurrence based on a per­son's previous experience or understanding.
persistent
the opposite of biodegradable-unable to decompose or to be converted by living organisms into harmless wastes.
personality:
the characteristics of a person that are apparent to othet'
phobia
an extreme, irrational fear of an object or situation.
photovoltaic
(PV) panels: panels that convert light (photons) into electricity (
peyote:
: a cactus that produces the hallucinogen mescaline.
pathogens:
microbes that cause diseases.
osteoporosis
(OS-tee-oh-por-OH-sis): a disease of gradual bone loss, which can cripple people in later life