Gastrointestinal system pt 2 Flashcards
(Inflammatory disorders) Which term refers to herniations or saclike outpouchings of the mucosa and submucosa through the muscle layers, usually in the wall of the sigmoid colon?
The cause is idiopathic (most of the time), & can be however, related to increased intracolonic pressure (such as constipation), abnormal neuromuscular function, & alterations in intestinal motility
Diverticula
(Inflammatory disorders)
Which term refers to an asymptomatic diverticular disease?
Diverticulosis
(Inflammatory disorders)
Which term represents the inflammation stage in diverticulosis?
Diverticulitis
Older age, genetic predisposition, obesity (Can increase pressure within digestive system, especially visceral obesity), changes in digestive motility as well, smoking, low fiber diet, sedentary lifestyle, & meds such as aspirin and NSAIDS are predisposing factors of..?
Diverticular disease
(Inflammatory disorders)
Symptoms of diverticular disease may be __ or ___ (___) , ___ ___ in lower abdomen, __, ___, ___ or flatulence may occur
- Vague; Absent; Asymptomatic; Cramping pain; diarrhea; constipation; distention
(Inflammatory disorders)
fever, leukocytosis (increased white blood cell count), and tenderness of the lower-left quadrant, are all symptoms of…?
Diverticulitis, the inflamed stage of diverticular disease
(Inflammatory disorders)
Which term refers to an inflammation of the vermiform appendix, which is a projection from the apex of the cecum?
It is the most common surgical emergency of the abdomen, usually occurs between 10 and 19 years of age
Appendicitis
(Inflammatory disorders)
Obstruction of the lumen with stool, tumours, or foreign bodies with consequent bacterial infection is the most common theory of the causes of ___?
Appendicitis
(Inflammatory disorders)
Gastric or periumbilical pain is the typical symptom of..?
initially – __ ___ ___, cramping sensation
Over 24 hours – pain becomes more localized in __
Will also see anorexia, nausea or ____, ___ ___, ___ tenderness on ___
- An inflamed appendicitis
- vague epigastric pain; right lower quadrant (RLQ);
- Vomiting; low-grade fever; rebound; palpation
(Disorders of nutrition)
Which term refers to an increase in body fat mass and a metabolic disorder, defined as a BMI>30?
It is also associated with higher all-cause mortality, increasing the risk for all diseases
How is BMI calculated?
Obesity
- (BMI = kg/m2)
(Disorders of nutrition)–> Causes of obesity
The causes of obesity are complex and involve the interaction of ___ which is a substance produced by ___ ___ and other body weight control signals at the level of the ____.
Metabolic dysregulation includes ___ resistance, __ resistance, and a ___ ___ that contribute to the complications of obesity
- Adipokines; fat cells; hypothalamus
- Leptin; Insulin; Proinflammatory state
(Disorders of nutrition)
What are the two different forms of adipose tissue distribution called in obesity?
- Viceral & peripheral
(Disorders of nutrition)
Which term refers to when the distribution of body fat is localized around the abdomen and upper body, resulting in an “apple shape” or “Android type”?
Visceral obesity (also known as intra-abdominal, central, or masculine obesity)
(Disorders of nutrition)
Which term refers to when the distribution of body fat is extraperitoneal and distributed around the thighs and buttocks and through the muscle, resulting in a “pear shape”, and is more common in women.
Peripheral obesity (also known as gluteal-femoral, feminine, or subcutaneous obesity)
(Disorders of nutrition)
Which term refers to individuals with normal body weight and BMI with percentage of body fat greater than 30%.?
Normal weight obesity (NWO)
(Disorders of nutrition)
Which term refers to individuals who are obese but have no metabolic-obesity–associated complications and decreased risk for morbidity and mortality?
Where it delays…?
Metabolically healthy obesity (MHO)
- Obesity-related complications until an older age
(Disorders of nutrition)
__ __ and __ __ __ increase the risk of developing systemic inflammation, dyslipidemia, & insulin resistance with predisposition to atherosclerosis, hypertension, cardiovascular disease, cancer, & type 2 diabetes mellitus.
Visceral obesity; Normal weight obesity
(Disorders of nutrition)
Which term refers to the lack of nourishment from inadequate amounts of calories, protein, vitamins, or minerals and is caused by improper diet, alterations in digestion or absorption, chronic disease, or a combination of these factors?
Malnutrition
(Disorders of nutrition)
Which term refers to the reduction in energy intake leading to weight loss (an extreme state of malnutrition)?
This term also has 2 phases which are called..?
Starvation
- Short-term & long-term starvation
(Disorders of nutrition)
Which term refers to the total dietary abstinence or deprivation for 3 or 4 days?
Once all available energy has been absorbed from the intestine, glycogen in the liver is converted to glucose through ____, the metabolism of glycogen into glucose. This process peaks within 4 to 8 hours, and ____ begins. ___ is the formation of glucose from noncarbohydrate molecules: depletion of stored nutrients (proteins & lipids)
Short-term starvation, or extended fasting
- Glycogenolysis; gluconeogenesis; gluconeogenesis
(Disorders of nutrition)
Which term refers to what follows several days of dietary abstinence, which involves the breakdown of ketone bodies and fatty acids to make energy which will create acidosis; & eventually, proteolysis (protein breakdown) begins, and death ensues if nutrition is not restored?
Long-term starvation
(Disorders of nutrition)
Which term refers to what can be defined as thepotentially fatal shifts in fluids & electrolytes(hypophosphatemia, hypomagnesemia, & hypokalemia) that may occur in malnourished patients receiving artificial refeeding (whether enterally or parenterally), where these shifts result from hormonal (insulin release) & metabolic changes & may cause serious clinical complications?
Refeeding syndrome
(Disorders of nutrition)
Which term refers to the physical wasting associated with chronic disease such as cancer, TB?
Cachexia (also known as cytokine-induced malnutrition)
The accessory organs of the digestive system are..?
The liver & portal veins, gall bladder, & pancreas
Which term refers to the system which drains the blood from the gastrointestinal tract, gallbladder, pancreas, and spleen to the liver?
Portal venous system (PVS)
(Liver diseases)
Which term refers to an irreversible inflammatory and fibrotic liver disease, causing widespread destruction of hepatic cells or hepatocytes?
An inflammatory disease of the liver that causes fibrosis, and nodular regeneration.
Cirrhosis
(Liver diseases)
Cirrhosis can result from __ or exposure to __, such as ___ (a product of ___ ___). These 2 being the main causes
The disease causes progressive irreversible liver damage, usually over a period of years, where the severity and rate of progression depend on the cause
Hepatitis; toxins; acetaldehyde; alcohol metabolism
(Liver diseases)
Which term is related to the toxic effects of alcohol & coexisting liver disease, & is more prevalent in middle aged men compared to women, but women develop more severe injury than men?
However, not all alcoholics will develop cirrhosis, only ___ will
Alcoholic liver disease
- 25%
(Liver diseases)
The spectrum (3 stages) of alcoholic liver disease includes..?
Alcoholic fatty liver, alcoholic steatohepatitis, & alcoholic cirrhosis
(Liver diseases)
Which term is characterized by an excessive accumulation of fat inside the liver cells, making It it hard for the liver to function properly, but is reversible if patient stops drinking? (mildest form of alcoholic liver disease, & is asymptomatic)
Alcoholic fatty liver (steatosis)
(Liver diseases)
Which term is characterized by the inflammation of the liver leading to the degeneration of liver cells (haptic cells), where this stage might last for some years and is reversible but will eventually progress to an irreversible fibrous if the patient continues to drink?
Alcoholic steatohepatitis (alcoholic hepatitis)
(Liver diseases)
Which term is characterized by cell damage that initiates an inflammatory response that results in excessive collagen formation creating permanent Fibrosis & scarring alter the structure of the liver and obstruct biliary duct and vascular channels?
Alcoholic cirrhosis
(Liver diseases)
Alcoholic cirrhosis impairs the hepatocytes’ ability to __ fatty acids, synthesize __ & __, degrade __, & clear portal blood of __ & __.
The inflammatory response includes excessive __ formation, __, & scarring, which obstruct bile canaliculi & sinusoids.
Bile obstruction causes __. Vascular obstruction causes __ __, __, and __.
- Oxidize; enzymes; proteins; hormones; ammonia; toxins.
- Collagen; Fibrosis
- Jaundice; portal hypertension; shunting; varices