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Ch 12
Endocrine System
| Question | Answer |
|---|---|
| The endocrine glands are ductless glands that secrete their hormones directly into the | bloodstream |
| Hormones are chemical | catalysts |
| A chemical catalyst causes a | reaction to occur |
| Hormones help maintain the body’s internal environment within certain narrow ranges. This balancing act is called | homeostasis |
| The pituitary gland is located at the | base of the brain |
| The pituitary is the size of a | pea |
| The pituitary gland is AKA | hypophysis or “master gland. |
| It is called the “master gland” because | its hormones control the functions of many other endocrine glands. |
| Even though the pituitary is called the “master gland” it is controlled by the | hypothalamus |
| The pituitary gland is divided into two sections called the | anterior and posterior lobes |
| Significant amounts of GH is secreted until age | 20 |
| . GH which stands for | growth hormone |
| GH stimulates cell metabolism causing | cells to divide (replicate) and increase in size. |
| Insufficient amounts of GH can cause | dwarfism |
| A synthetic GH is called | Humatrope (somatropin |
| Excessive amounts of GH can cause | giantism |
| TSH (T7) which stands for | thyroid stimulating hormone and is AKA thyrotropin. |
| TSH stimulates the | thyroid to produce its hormones |
| ACTH which stands for | adrenocorticotropic hormone |
| ACTH stimulates the | adrenal glands to produce their hormones. |
| . MSH which stands for | melanocyte stimulation hormone |
| MSH stimulates the melanocytes to produce | melanin (skin pigment |
| A hereditary disorder characterized by an absence of melanin is called | albinism |
| FSH which stands for | follicle stimulating hormone |
| FSH stimulates the | Ovaries to start the maturation process of a follicle (oocyte) into an ovum. |
| FSH stimulates the | . Testes to create spermatozoa (spermatogenesis |
| LH which stands for | luteinizing hormone |
| LH stimulates | . Ovulation |
| LH stimulates | The production of progesterone to maintain pregnancy |
| LH stimulates | Production of testosterone in males. |
| Lactogenic hormone AKA | prolactin |
| Lactogenic hormone stimulates the production of | milk (lactation |
| . ADH which stands for | antidiuretic hormone |
| antidiuretic hormone AKA | vasopressin |
| ADH influences the volume of | urine produced |
| Insufficient production of ADH is called | Diabetes Insipidus (DI |
| A synthetic ADH is called | Pitressin (vasopressin |
| OT which stands for | oxytocin |
| OT stimulates the | uterus to contract during labor |
| A synthetic oxytocin is called | Pitocin (“Pit drip”). |
| Oxytocin is also known as the | binding hormone |
| Binding refers to | male-female and mother-neonate bonding. |
| The thyroid gland is located on the right and left sides of the | trachea just inferior to the larynx |
| The thyroid produces the following hormones: | . T4 also known as thyroxine. |
| The thyroid produces the following hormones: | . T3 also known as triiodothyronine |
| The thyroid produces the following hormones: | Calcitonin. |
| T3 and T4 are both commonly referred to as | thyroxine |
| T3 and T4 are responsible for the regulation of | carbohydrate, protein, and fat metabolism. |
| Metabolism refers to the rate at which the body | utilizes (burns) energy |
| Hyperthyroidism is called | Grave’s disease |
| Hypothyroidism is called | myxedema |
| A synthetic thyroxine is called | Synthroid (levothyroxine |
| Calcitonin is released when the | blood calcium levels rise |
| Calcitonin causes the deposit of | calcium (Ca) and phosphorus (P) in the bones. |
| The parathyroid glands are located | embedded in the posterior surface of the thyroid gland. |
| The parathyroid glands are the size of | raisins |
| parathyroid hormone (PTH) AKA | parathormone. |
| PTH causes osteocytes to | release stored calcium (Ca) and phosphorus (P) into the blood. |
| Release of PTH will occur when | serum Ca levels fall |
| The adrenal glands are located just superior to the | kidneys |
| The adrenal glands are AKA | suprarenal glands |
| The inner portion of the adrenal glands is called the | adrenal medulla |
| The outer portion of the adrenal glands is called the | adrenal cortex |
| The adrenal medulla produces | Adrenalin |
| Adrenalin AKA | epinephrine |
| Adrenalin (epinephrine) contributes to the | “fight or flight” response |
| “fight or flight” response includes | The breakdown of glycogen to glucose. |
| “fight or flight” response includes | Tachycardia |
| “fight or flight” response includes | Tachypnea |
| “fight or flight” response includes | Bronchodilation. |
| “fight or flight” response includes | Hypertension |
| “fight or flight” response includes | Pallor |
| The adrenal cortex produces | Aldosterone |
| The adrenal cortex produces | Cortisol (hydrocortisone |
| These hormones are AKA | steroids (corticosteroids |
| Anabolic steroids, the type used by athletes, are synthetic versions of | testosterone |
| Conditions associated with anabolic steroid use includes: | Sudden death (MI, CVA). |
| Conditions associated with anabolic steroid use includes: | Liver cancer |
| Conditions associated with anabolic steroid use includes: | Aggressiveness (“roid rage”). |
| Aldosterone regulates the balance of | electrolytes (“lytes”). |
| The electrolytes (salts) include | Sodium (Na). |
| The electrolytes (salts) include | Potassium (K) |
| The electrolytes (salts) include | Chloride (Cl). |
| The electrolytes (salts) include | Calcium (Ca). |
| The electrolytes (salts) include | Phosphorus (P |
| The actions of cortisol (hydrocortisone) include: | . Maintain proper glucose concentration in the blood between meals. |
| The actions of cortisol (hydrocortisone) include: | Helps reduce the inflammatory response. |
| The actions of cortisol (hydrocortisone) include: | Aids the body with stressful situations |
| Hypersecretion of cortisol is called | Cushing’s disease |
| Hyposecretion of cortisol is called | Addison’s disease |
| A synthetic cortisol is called | cortisone |
| The pancreas is located posterior to the | stomach (retrogastric). |
| The purpose of the pancreas includes the production of | insulin and glucagon |
| Insulin is secreted when the | blood sugar (BS) rises after eating a meal. |
| The insulin allows the glucose (BS) to | enter the cells. |
| When the glucose enters the cells the blood sugar (BS) level will | fall |
| When the blood sugar (BS) falls too low the pancreas will secrete | glucagon |
| Glucagon will stimulate the | liver to convert glycogen to glucose |
| This action will cause the glucose (BS) to | rise |
| A normal blood sugar (BS) is: | 70 - 130 mg/dL before meals (a.c.) |
| A normal blood sugar (BS) is: | Less than 180 mg/dL 2 hours after meals (p.c.). |
| Hyposecretion of insulin and/or the difficult utilization of glucose (insulin resistance) by the cells is called | diabetes mellitus (DM). |
| A synthetic insulin is called | Humulin (insulin). |
| Medications designed to stimulate the pancreas to produce more insulin or aid the cells in glucose (BS) utilization are called | oral hypoglycemics (antidiabetics). |
| Risk factors for diabetes mellitus (DM) include: | Heredity |
| Risk factors for diabetes mellitus (DM) include: | Obesity |
| Risk factors for diabetes mellitus (DM) include: | Over consumption of refined sugars |
| Risk factors for diabetes mellitus (DM) include: | Over consumption of food |
| Risk factors for diabetes mellitus (DM) include: | Sedentary lifestyle (little or no regular exercise). |
| Risk factors for diabetes mellitus (DM) include: | Gestational (pregnancy) diabetes mellitus (DM). |
| Risk factors for diabetes mellitus (DM) include: | African American, Native American, Hispanic, Asian American |
| Risk factors for diabetes mellitus (DM) include: | Chronic hypertension (HTN). |
| Diabetes mellitus that develops in children is called | juvenile onset diabetes mellitus (DM |
| Diabetes mellitus that develops in children is called | insulin dependent diabetes mellitus (IDDM) |
| Diabetes mellitus that develops in children is called | type I diabetes mellitus (DM). |
| Type I diabetes mellitus (DM) is the most serious form of diabetes mellitus (DM) and requires | Daily injections of insulin. |
| Type I diabetes mellitus (DM) is the most serious form of diabetes mellitus (DM) and requires | Strict diet control |
| Type I diabetes mellitus (DM) is the most serious form of diabetes mellitus (DM) and requires | Regimented exercise |
| Diabetes mellitus (DM) that develops in adulthood is called | maturity onset diabetes mellitus (DM |
| Diabetes mellitus (DM) that develops in adulthood is called | non-insulin dependent diabetes mellitus (NIDDM) |
| Diabetes mellitus (DM) that develops in adulthood is called | type II diabetes mellitus (DM). |
| This type of diabetes mellitus (DM) is less severe and can often be controlled by | proper diet alone |
| This type of diabetes mellitus (DM) is less severe and can often be controlled by | proper diet and oral hypoglycemics (antidiabetics) such as Diabenese or Glucophage. |
| Oral hypoglycemics (antidiabetics) stimulate the pancreas to | secrete more insulin and/or allows the cells to utilize glucose (BS) more efficiently. |
| Signs and symptoms of diabetes mellitus (DM) include: | Polyuria (excessive urination |
| Signs and symptoms of diabetes mellitus (DM) include: | . Glycosuria (sugar in the urine |
| Signs and symptoms of diabetes mellitus (DM) include: | Polydipsia (excessive thirst |
| Signs and symptoms of diabetes mellitus (DM) include: | . Ketonuria (ketones in the urine). |
| Signs and symptoms of diabetes mellitus (DM) include: | Weight loss |
| Signs and symptoms of diabetes mellitus (DM) include: | . Fatigue |
| Signs and symptoms of diabetes mellitus (DM) include: | Poor wound healing |
| Complications of diabetes mellitus (DM) include: | Atherosclerosis leading to myocardial infarction (MI), cerebral vascular accident (CVA) or occlusion of a leg artery resulting in gangrene |
| Complications of diabetes mellitus (DM) include: | Diabetic retinopathy (DR) which can result in blindness |
| Complications of diabetes mellitus (DM) include: | . Neuropathy causing pain, tingling, loss of feeling, and paralysis |
| Complications of diabetes mellitus (DM) include: | . Kidney failure |
| Complications of diabetes mellitus (DM) include: | Impotence AKA erectile dysfunction (ED |
| Treatment for diabetes mellitus (DM) includes: | Strict diet based on number of calories per day divided into proper portions of carbohydrates, fats, and proteins. |
| Treatment for diabetes mellitus (DM) includes: | Correct dosages of insulin based on self-blood glucose monitoring (SBGM |
| Treatment for diabetes mellitus (DM) includes: | Regular exercise because diet intake and insulin (Humulin) dosage are based on the metabolic needs of the individual. |
| Diet, insulin, or exercise cannot be altered without creating an | insulin excess or deficiency |
| Diabetic coma (elevated BS) can result when a diabetic: | Fails to take enough insulin |
| Diabetic coma (elevated BS) can result when a diabetic: | Increases caloric intake |
| Diabetic coma (elevated BS) can result when a diabetic: | Decreases exercise |
| Signs and symptoms of diabetic coma include: | Deep labored breathing |
| Signs and symptoms of diabetic coma include: | Dry skin and mouth |
| Signs and symptoms of diabetic coma include: | Fruity smell to breath |
| Signs and symptoms of diabetic coma include: | Lethargy (mental sluggishness |
| Signs and symptoms of diabetic coma include: | Loss of consciousness (LOC) and coma. |
| Treatment of diabetic coma includes | administration of insulin and hydration. |
| Insulin shock (deficient BS) results when a diabetic: | Administers too much insulin |
| Insulin shock (deficient BS) results when a diabetic: | Does not eat enough food |
| Insulin shock (deficient BS) results when a diabetic: | Exercises excessively |
| Signs and symptoms of insulin shock include: | Shallow breathing |
| Signs and symptoms of insulin shock include: | . Diaphoresis (profuse sweatiness |
| Signs and symptoms of insulin shock include: | Syncope (fainting |
| Signs and symptoms of insulin shock include: | Loss of consciousness (LOC) and coma |
| Treatment for insulin shock includes | administration of sugar in any form |
| To prevent potentially dangerous medical emergencies, diabetics should take the following precautions: | Follow prescribed diet exactly |
| To prevent potentially dangerous medical emergencies, diabetics should take the following precautions: | . Take prescribed insulin or hypoglycemics as directed. |
| To prevent potentially dangerous medical emergencies, diabetics should take the following precautions: | Monitor BS every day |
| To prevent potentially dangerous medical emergencies, diabetics should take the following precautions: | Follow daily exercise regiment |
| To prevent potentially dangerous medical emergencies, diabetics should take the following precautions: | Always wear feet protection to prevent injury from stubbing, fire ants, sand spurs, etc. |
| To prevent potentially dangerous medical emergencies, diabetics should take the following precautions: | Have a podiatrist take care of ANY foot needs immediately such as clipping toe nails, corns, bunions, calluses, wounds, etc. to prevent accidental injury. |
| To prevent potentially dangerous medical emergencies, diabetics should take the following precautions: | A medical alert bracelet or necklace should be worn at all times. |
| To prevent potentially dangerous medical emergencies, diabetics should take the following precautions: | Always check temperature of bath water before stepping into bath to prevent scalding. |
| Even a small wound to a diabetic’s feet can result in uncontrolled infection due to poor wound healing and can eventually lead to putrefaction (gangrene) and | amputation of the extremity |
| Diabetics that have difficulty controlling their blood sugar are called | “brittle diabetics.” |
| Other risk factors for diabetes mellitus (DM) include | Highly irregular menses |
| Other risk factors for diabetes mellitus (DM) include | More than 40 days between cycles |
| Other risk factors for diabetes mellitus (DM) include | A waist size greater than 40 inches in men and 35 inches in women |
| Some studies indicate that type II diabetes mellitus (DM) can double the risk of | Alzheimer’s disease (AD). |
| GTT | glucose tolerance test |
| PPBS | postprandial blood sugar |
| FBS | fasting blood sugar |
| A1c (HbA1c | provides an average of your BS control over a 6 to 12 week period |
| A1c (HbA1c) normal range | 4% - 6% (DM > 7%) |
| fructosamine test | measures average glucose levels over the past 3 weeks |
| PBI | protein bound iodine |
| RAIU | radioactive iodine uptake test |
| HCG | human chorionic gonadotropin (serum and urine pregnancy test |