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Chapter 24 Gerontology
Gerontology, Dr. T, EU
109
Biology
Undergraduate 4
12/01/2011

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Term
Acrochordon
Definition

a benign growth that hangs from a short stalk, commonly occurring on the neck, eyelids, axilla, or groin. 

 

also known as cutaneous paipilloma or skin tag

Term
Alopecia
Definition

Partial or complete loss of hair.

May result from normal aging, a reaction to a medication such as anticancer medications, an endocrine disorder, or a skin disease. 

Term
Anastomosis
Definition

A surgical joining of two ducts, blood vessels, or bowel segments to allow flow from one to the other. 

Anastomosis of blood vessels may be performed by bypass an occluded area and restore normal blood flow to the area. 

Term
Anorexia
Definition

Lack or loss of appetite, resulting in the inability to eat. 

Anorexia is seen in individuals who are depressed, with the onset of fever and illness, with stomach disorders, or as a result of excessive intake of alcohol or drugs. 

Term
Ascites
Definition
An abnormal intraperitoneal (within the peritoneal cavity) accumulation of a fluid containing large amounts of protein and electrolytes. 
Term
Atherosclerosis
Definition
A form of arteriosclerosis (hardening of the arteries) characterized by faty deposit buildup within the inner layers of the walls of larger arteries. 
Term
Atrophic
Definition
Characterized by a wasting of tissues, usually associated with general malnutrition or a specific disease state. 
Term
Atropy
Definition
Wasting or decrease in size or physiological activity of a part of the body; literally, "without development." 
Term
Biomicroscopy
Definition
Ophthalmic examination of the eye by use of a slit lamp and a magnifying lens; also known as a slit-lamp exam
Term
Bruit
Definition
An abnormal sound or murmer heard when listening to a carotid artery, organ, or gland with a stethoscope (e.d., during auscultation)
Term
Bunionectomy
Definition
Surgical removal of a bunion; removing the overgrowth and the bursa. 
Term
Claudication
Definition
Cramplike pains in the calves of the legs caused by poor circulation to the muscles of the legs; commonly assocaited with artherosclerosis. 
Term
Crepitation
Definition
Clicking or crackling sounds heard upon joint movement. 
Term
Cryosurgery
Definition
A noninvasive treatment for nonmelanoma skin cancer by using liquid nitrogen, which freezes the tissue. It is also used to remove benign skin tumors and growths such as warts. 
Term
Curettage
Definition
The process of scraping materal from the wall of a cavity or other surface for the purpose of removing abnormal tissue or unwanted material. 
Term
Dyskinesia
Definition
An impairment of the ability to execute voluntary movements. 
Term
Ectropion
Definition
Eversion (turning outward) of the edge of the eyelid. 
Term
Electrodesiccation
Definition
A technique using an electrial spark to burn and destory tissue; used primarily for the removal of surface lesions. 
Term
Entropion
Definition
Inversion (turning inward) of the edge of the eyelid. 
Term
Geriatrician
Definition
A physician who has specialized postgraduate education and experience in the medical care of the older person. 
Term
Geriatric Nurse Practitioner
Definition
A registered nurse with additional educaiton obtained through a master's degree program that prepares the nurse to deliver primary health care to older adults. 
Term
Geriatrics
Definition
The brach of medicine that deals with the physiological characteristics of agining and the dagnosis and treatment of diseases affecting the aged. 
Term
Gerontics
Definition
Pertaining to old age. 
Term
Gerontologist
Definition
One who specializes in teh study of gerontology. 
Term
Gerontology
Definition
The stufy of all aspects of the aging process, including the clinical, phychological, economic, and sociologic issue encountered by older persons and their consequences for both the individual and society. 
Term
Gerontophobia
Definition
An abnormal fear of growing old; fear of agining and of old people. 
Term
Geropsychiatry
Definition
The study and treatment of psychiatric aspects of aging and mental disorder of older adults. 
Term
Glucagon
Definition
A hormone produced by the alpha cells of the pancreas that stimulates the liver to convert glycogen into glucose when the blood sugar level is dangerously low. 
Term
Glycosuria
Definition
The presence of sugar in the urine. 
Term
Hyperglycemia
Definition
Elevated blood sugar level. 
Term
Hypopigmentation
Definition
Unusual lack of skin color. 
Term
Ischemia
Definition
Decreased supply of oxygenated blood to a body part or organ. 
Term
Ketones
Definition
Substances that increase in the blood as a result of incomplete fat metabolism. Fats are broken down for energy when the body is unable to use carbohydrates for energy; and the result is a buildup of ketone bodies in the blood and the urine. 
Term
Kyphosis
Definition
An abormal outward curvature of a portion of the spine, commonly knwon as humpback or hunchback. 
Term
Lichenification
Definition
Thickening and hardening of the skin
Term
Malabsorption
Definition
Impaired absorption of nutrients into the bloodstream from the gastrointestinal tract. 
Term
Middle-Old
Definition
A term used to describe an individual between the ages of 75 and 84 years. 
Term
Myopia
Definition
A refractive error in which the lens of the eye cannot focus on an image accurately, resulting in impaired distant vision that is blurred due to the light rays beings focused in the front of the retina becasue of the eyeball is longer than normal; nearsightedness. 
Term
Nocturia
Definition
Urination at night
Term
Old-Old
Definition
A term used to describe an individual 85 years of age and older. The fastest number of older adults is in the old-old age group. 
Term
Presbycusis
Definition
Loss of hearing due to the natural aging process. 
Term
Presbyopia
Definition
Loss of accommodation for near vision; poor vision due to the natural aging process. 
Term
Senescence
Definition
The process of growing old 
Term
Senile Lentigines
Definition
Age spots; brown macules found on areas of the skin that are frequently exposed to the sun such as the face, neck, or back of the hands of many older people. The singular form of the word is lentigo
Term
Stent
Definition
A rod or threadlike device (mesh tube) for supporting tubular structures during surgical anastomosis or for holding arteries open during angioplasty. 
Term
Turgor
Definition
A reflection of the skin's elasticity. Turgor can be checked by lightly pinching the skin of the forearm between the examiner's thumb and forefinger and releasing it. The time it takes for the skin to return to it's normal position is the measure of skin turgor, with the normal return time being approximately three seconds. 
Term
Urinary Incontinence
Definition

Inability to control urination; the inability to retain urine in the bladder. 

 

The inability to retain urine in the bladder; the loss of urine from the bladder due to loss of sphincter control. This involundary loss of urine is severe enough to cause social or hygienic problems  

Term
Young-Old
Definition
A term used to describe an individual between the ages of 65 and 74
Term
Actinic Keratosis
Definition

is identified by raised areas that appear scaly and may bleed at the edges. An area of inflammation around the border of the lesion may be noted. 

 

Occurs on the sun-exposed skin of the face or hands in aged, light-skinned persons 

Term
Basal Cell Carcinoma
Definition

A malignant epithelial cell tumor that begins as a slightly elevated nodule with a depression or ulceration in the center that becomes more obvious as the tumor grows. As the depression enlarges, the tissue breaks down, crusts, and bleeds. 

 

most common malignant tumor of the epithelial tissue 

Term
Squamous Cell Carcinoma
Definition

A malignancy of the squamous, or scalelike, cells of the epithelial tissue. Squamous cell carcinoma is a much faster growing cancer than basal cell carcinoma and has a greater potential for metastasis if not treated. 

 

most frequently seen on these sunexposed areas 

 

Begins as a firm, flesh-colored, or red papule sometimes wiht a crusted appearance 

Term
Eczema
Definition

is an acute or chronic inflammatory skin condition characterized by erythema, papules, vesciles, pustules, scales, crusts, or scabs; accompanied by intense itching. 

 

Long-term effects of eczema may result in thickening and hardening of the skin, known as lichenification, which is due to irritation caused from repeated scratching of the itchy area. 

Term
Psoriasis
Definition
is a common, noninfectious, chronic disorder of the skin manifested by silvery white scales over round, raised, reddened plaques, produced pruritus. 
Term
Seborrheic Keratosis
Definition

appears as a brown or waxy yellow wartlike lesion(s), 5 to 20 mm in diameter, loosely attached to the skin surface. 

 

also known as seborrheic warts. 

Term
Fracture of the Hip
Definition

a break in the continuity of the bone involving the upper third of the femur. 

 

Classified as either intracapsular (within the joint capsule) or extracapsular (outside the joint capsule) 

Term
Osteomalacia
Definition

is a disease in which the bones become abnormally soft due to a deficiency of calcium and phosphorus in the blood (which is necessary for bone mineralization). The disease results in fractures and noticeable deformities of the weight-bearing bones. This diseases is the adult equivalent of rickets. 

 

deficiency due to lack of vitamin D, lack of exposure to sunlight, or by a metabolic disorder causing malabsorption 

Term
Osteoporosis
Definition

literally means porous bones; that is, bones that were once strong become fragile due to loss of bone density. 

 

occurs most frequently in postmenopausal women, in sedentary or immobilized individuals, and in patients on long-term steroid treatment. 

 

hormones and genetics are major factors 

 

symptoms: breaks, loss of height and the development of the typical kyphosis 

Term
Paget's Disease
Definition

A nonmetabolic disease of the bone, characterized by excessive bone destruction (breakdown of bone tissue by the osteoclasts) and unorganized bone formation by the osteoblasts. The bone is weak and prone to fractures. After symptoms are present, the diseased bone takes on a characteristic mosaic pattern that can be detected with X-ray or bone scan;

also known as osteitis deformans. 

 

 

Term
Ankylosing Spondylitis 
Definition

is a type of arthritis that affects the vertebral column and causes deformities of the spine;

also known as Marie-Strumpell disease and as rheumatoid spondylitis

 

Symptoms: arthralgia, weight loss, and generlized malaise (weakness). As the disease progresses, the spine becomes increasingly stiff, with fusion of the spine into a position of kyphosis (humpback)

Term

Bunion 

(hallux valgus) 

Definition
An abnormal enlargement fo the joint at the base of the great toe. 
Term
Gout
Definition

is a metabolic disease in which uric acid crystals are deposited in joints or other tissues. It is characterized by inflammation of the first metatrasal joint of the great toe. Although the great toe is the most common site for gout, it can occur in other parts of the foot and body. Men between the ages of 40 adn 60 are more commonly affected by gout than women. Gout usually appears in women in the postmenopausal period. 

 

can be a hereditary disease in which the individual does not metabolize uric acid properly. Large amoutns of uric acid accumulate in the blood and in the synovial fluid of the joints. 

Term
Osteoarthritis
Definition

is also known as degenerative joint disease. It is the most common form of arthritis, having universal prevalence in those age 80 and over. It results from wear and tear on the joints, especially weight-bearing joints such as the hips and knees. 

 

Stiffness and pain seems to increase in the morning or changes of weather 

Term

Restless Legs Syndrome 

(RLS)

Definition

A condition of the legs involving annoying sensations of uneasiness, tiredness, itching, or tingling of the leg muscles while resting. The individual feels an overwhelming desire to get up and move around due to the jerking sensation and painful twitching of the muscles.

It is sometimes referred to as Ekbom's syndrome, after the doctor who first recognized it. 

 

symptoms: experience repeated awakenings during the night and experience daytime sleepiness. 

Term
Alzheimer's Disease
Definition

a progressive, degenerative disease that affects teh cortex of the brain and results in deterioration of a person's intellectual functioning. 

Alzheimer's disease is progressive and extremely debilitating. It begins with minor memory loss and progresses to complete loss of mental, emotional, and physical functioning, frequently occurring in persons over 65 years of age. 

 

about 50% of those over 85 will develop this disease 

Stage 1: (1-3 years) loss of short-term memory; decreased ability to pay attentio or learn new information; gradual personality change 

Stage 2: (2-10 years) person loses the ability to write, to identify objects by touch, perform simple tasks (like getting ready) 

Stage 3: (8-10 years) looses communication skills; bowel and bladder incontinence; limb rigidity 

Term

Cerebrovascular Accident 

(CVA) 

Definition

Neurological deficit(s) resulting from a decrease in blood (ischemia) to a specific localized area in the brain; also called "stroke" or "brain" 

 

Transcient ischemic attacks (TIAs): mini-strokes; very brief periods of ischemia in the brain, lasting from minutes to hours. Sometimes the symptoms are vague and difficult to describe. 

Cerebral thrombosis: makes up 50% of all CVAs. (generally because of a buildup of plaque) 

Cerebral embolism: occurs when an embolus or gragments of a blood clot, fat, bacteria, or tumor lodge in a cerebral vessle and cause an occlusion 

Cerebral hemorrhage:

Term
Parkinson's Disease
Definition

A degnerative, slowly progressive, deterioration of nerves in teh brain stem's motor system, characterized by a gradual onset of symptoms (such as a stooped posture with th ebody flexed forward; a bowed head; a shuffling gait; pill-rolling gestures; an expressionless, masklike facial appearance; muffled speech and swallowing difficulty). 

Symptoms:

Motor dysfunction: nonintentional tremors; posture distrubances; muscle rigidity 

Autonomic system dysfunction: excess sweating, drooling, etc

Mental and emotional dysfunction: loss of memory, declining mental processes, lack of problem-solving skill, uneasiness, and depression

Term

Shingles 

(herpes zoster)

Definition
an acute viral infection seen mainly in adults, characterized by inflammation of the underlying spinal or cranial nerve pathway, producing painful vesicular erruptions on the skin following along these nerve pathways. 
Term
Purpura
Definition

Collection of blood beneath the skin in the form of pinpoint hemorrhages appearing as red-purple skin discolorations 

 

caused by a decreased number of circulating platelets (thrombocytopenia)

Idiopathic thrombocytopenic purpura: a disorder in which the individual produces antibodies that destory his or her own platelets 

Term
Arteriosclerosis
Definition

An arterial condition in which there is thickening, hardening, and loss of elasticity of the walls of the arteries, resulting in decreased blood supply, especially to the lower extremities and cerebrum; 

also called hardening of the arteries 

 

Term

Congestive Heart Failure

(CHF)

Definition

Condition characterized by weakness, breathlessness, and abdominal discomfort. Edema in the lower portions of the body results from the flow of the blood through the vessels being slowed (venous stasis) and the outflow of blood from the left side of the heart being reduced. The pumping ability of the heart is progressively impaired to the point that it no longer meets bodily needs; also known as cardiac failure. 

Congestive heart failure is the single most frequent cause of hospitalization for those individuals 65 years of age and older. 

 

The principle feature in congestive heart failure is increased intravascular volume. 

Term

Coronary Artery Disease

(CAD)

Definition

Narrowing of the coronary arteries to the extent that adequate blood supply to the myocardium is prevented. 

 

caused by atherosclerosis 

 

As a result of the ischemia of the myocardial muscle, the individual experiences a burning, squeezing, or tightness in teh chest that may radiate to the neck, shoulder blade, and left arm. 

Term
Emphysema
Definition

A chronic pulmonary disease characterized by increase beyond the normal in the size of air spaces distal to the terminal bronchiole, either from dilatation of the alveoli or from destruction of their walls. 

 

the act expiration becomes one of active muscular movement to foce the air out. 

Term
Influenza
Definition

A highly contagious viral infection of the respiratory tract transmited by airborne droplet infection;

also known as the flu. 

Influenza can occur in isolated cases or can be epidemic. Teh incubation period is usually one to three days after exposure. Older adults may be more prone to developing bacterial influenza, as are those individuals who ahve chronic pulmonary disease. 

Term
Pneumonia
Definition
An acute inflammation of the lungs caused mainly by inhaled pneumococci of the Streptococcus pneumoniae species. It may also be caused by other bacteria as well as by viruses. 
Term
Pulmonary Edema
Definition

Swelling of the lungs caused by an abnormal accumulation of fluid in the lungs, in either the alveoli or the interstitial spaces. 

 

most common cause is cardiac disease 

 

The pulmonary congestion occurs when the pulmonary vessels receive more blood from the right ventricle of the heart than th eleft ventricle can accommodate and remove. 

This congestion causes the fluid to lead through the capillary walls and permeate into the airwayrs, creating a sudden onset of breathlessness and a sense of suffocation. 

 

Term

Pulmonary Heart Disease

(cor pulmonale)

Definition
Hypertrophy of the right ventricle of the heart (with or without failure) resulting from disorders of the lungs, pulmonary vessels, or chest wall; heart failure resulting from disorders of the lungs; pulmonary disease. 
Term
Achalasia
Definition
Decreased mobility of the lower two-thirds of the esophagus along with constriction of the lower esophageal sphincter (LES), making it difficult for food and liquids to move down the esophagus. 
Term
Colorectal Cancer
Definition
The presence of a malignant neoplasm in the large intestine 
Term
Constipation
Definition
A state in which the individual's pattern of bowel elimination is characterized by a decrease in the frequency of bowel movemetns and the passage of hard, dry stools. The individual expereinces difficult defecation. 
Term
Diverticular Disease 
Definition
An expression used to characterize both diverticulosis and diverticulitis. Diverticulosis describes the noninflamed outpouchings or herniations through the muscular layer of the intestine, typically the sigmoid colon. Inflammation of the outpouchings called diverticulum is referred to as diverticulitis.
Term
Diabetes Mellitus
Definition

A disorder of the pancreas in which the beta cells of the islets of Langerhans of the pancreas fail to produce an adequate amount of insulin, resulting in teh body's inability to appropriately metabolize carbohydrates, fats, and proteins. 

Symptoms: glycosuria, polydipsia, and polyuria. polyphagia, presence of ketons in the urine 

Term
Cataract
Definition
The lens of the eye becomes progressively cloudy, losing its normal transparency and thus altering the perception of images due to the interference of light transmission of the retina. 
Term
Sensorineural Deafness
Definition
Hearling loss caused by the inability of nerve stimuli to be delievered to the brain from the inner ear due to damage to the auditory nerve or the cochlea. 
Term
Diabetic Retinopathy 
Definition

Occurs as a consequence of an 8- to 10-year duration of diabetes mellitus in which the capillaries of the retina expereinces scarring due to the following: 

abnormal dilatation and constriction of vessles

hemorrhages

microaneurysm

abnormal formation of new vessels, causing leakage of blood into the vitreous humor 

Term
Ectropion
Definition
"Turning out" or eversion of the eyelash margins (especially the lower eyelid) from the eyeball, leading to exposure of the eyelid and eyeball surface and lining. 
Term
Entropion
Definition
"Turning in" of the eyelash margins (esecpailly the lower margins), resutling in the sensation similar to that of a foreign body in the eye (redness, tearing, burning, and itching) 
Term
Glaucoma
Definition

Ocular disorders identified as a group due to the increase in intraocular pressure. This increase in intraocular pressure may be primary or secondary, acute or chronic, and described as open or closed angle. 

 

These disorders occur due to a barrier in the normal outflow of aqeous humor or an increased production of aqueous humor. 

Term
Macular Degeneration
Definition
Progressive deterioration of the retinal cells in teh macula due to agining. Known as senile or age-related macular degeneration (ARMD), this condition is a common and progressive cause of visual deficiency and permanent reading impairment in the adult over 65 years of age. 
Term
Presbyopia
Definition
A refractive error occurring after the age of 40, when teh lens of the eye(s) cannot focus on an image accurately due to its decreasing elasticity. 
Term
Benign Prostatic Hypertrophy
Definition
A benign (noncancerous) enlargment of the prostate gland, creating pressure on the upper part of the urethra or neck of the bladder, causing obstruction of the flow of urine. 
Term
Carcinoma of the Prostate
Definition
Malignant growth within the prostate gland, creating pressure on the upper part of the urethra. 
Term
Atrophic Vaginitis
Definition
Degneration of the vaginal mucous membrane after menopause. Also known as senile vaginitis, this condition is common in estrogen-deprived older women. The tissues of the vagina become drier and thinner. 
Term
Ovarian Carcinoma
Definition
A malignant tumor of the ovaries, most ommonly occurring in women in their 50s. It is rarely detected in the early stage and is usually far advanced when diagnosed. 
Term
Dementia
Definition
A progressive, organic mental disorder characterized by chronic personality disintegration, confusion, disorienttation, stupor, deterioration of intellectual capacity and functin, and impairment of control of memory, judgment, and impulses 
Term
Depression
Definition
A mood distrubance characterized by exaggerated feelings of sadness, discourgement, and hoplessness that are inappropriate and out of prportion to reality; may be relative to some personal loss or tragedy
Term

Barium Enema 

(lower GI series)

Definition
Infusion of a radiopaque contrast medium, barium, sulfate, into the rectum and held in place in the lower intestinal tract while X-ray films are obtained of the lower GI tract. 
Term

Barium Swallow 

(upper GI series)

Definition
Oral administration of a radiopaque contrast medium, barium sulfate, which flows into the esophagus as the person swallows. 
Term
Colonoscopy
Definition
The direct visualization of the lining of the large intestine by using a fiberoptic colonoscope
Term
Coronary Artery Bypass Graft (CABG) Surgery
Definition
A surgical procedure (designed to increase the blood flow to the myocardial muscle) that involves bypass grafts to the coronary arteries that reroute the blood flow around the occluded area of the coronary artery. 
Term
Directional Coronary Atherectomy
Definition
A procedure that uses a catheter (AtheroCath), which has a small mechanically drive cutter that shaves teh plaque and stores it in a collection chamber 
Term

Dual-Energy X-ray Absorptiometry 

(DEXA)

Definition
This newer technique is also a noninvasive procedure that measures bone density. In the dual-energy X-ray absorptiometry (DEXA) procedure, an X-ray machine generates the energy photons that pass through the bones. A computer evaluates the amount of radiation absorbed by the bones, and the findings are interpreted by a physicaition. 
Term

Extracapsular Cataract Extraction

(ECCE)

Definition
is the surgical removal of the anterior segment of the lens capsule and the lens, allowign for the insertion of an intraocular lens implant. 
Term
Internal Fixation Devices
Definition
The treatment of choice for a fractured hip is usually surgery. Devices such as screws, pins, wires, and nails may be used to internally maintain the bone alignment while healing take place. These internal fixation devices are more commonly used with fractures of the femur and fractures of joints. 
Term
Intraocular Lens Implant
Definition
is a surgical process of cataract extraction and the insertion of an artificial lens into the patient's eye. This restores visual acuity and provides improved depth perception, light refraction,a nd binocular vision. 
Term

Percutaneous Transluminal Coronary Angioplasty

(PTCA)

Definition
a nonsurgical procedure in which a catheter, equipped with a small inflatable balloon at the end, is insertd into the femoral artery and is threaded up the aorta (under X-ray visualization) into the narrowed coronary artery. 
Term
Retinal Photocoagulation 
Definition
is a surgical procedure that uses an argon laster to treat conditions such as glaucoma, retinal detachment, and diabetic retinopathy 
Term
Serum Glucose Tests
Definition
Measures the amount of glucose in the blood at the time the sample was drawn 
Term
Suprapubic Prostatectomy
Definition
The surgical removal of the prostate gland by making an incision into the abdominal wall just about the pubis 
Term

Transurethral Resection of the Prostate 

(TURP)

Definition
The surgical removal of the prostate gland by inserting a resectoscope (an instrument used to remove tissue from the body) through the urethra and into the bladder to remove small pieces of tissue from the prostate gland. 
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