Exam 3 Flashcards
(119 cards)
Abdomen
- Bordered superiorly by the costal margins
- Bordered inferiorly by the symphysis pubis and inguinal canals
- Bordered laterally by the flanks
4 Abdominal Quadrants
- Right upper Quadrant
- Right Lower Quadrant
- Left upper Quadrant
- Left lower Quadrant
Right Upper Quadrant
- Right lobe of the liver
- Gallbladder
- Pylorus
- Duodenum
- Head of the pancreas
- Hepatic flexture of the colon
- Portions of the transverse and ascending colon
Right Lower Quadrant
- Cecum and appendix
- Portion of the ascending colon
Left Upper Quadrant
- Left lobe of the liver
- Spleen
- Stomach
- Body and tail of the pancreas
- Splenic flexture of the colon
- Portions of the transverse and descending colon
Left Lower Quadrant
- Sigmoid colon
- Portion of the descending colon
Abdominal Wall Muscles
- Three muscle layers from back, around flanks, to front:
- External abdominus oblique: Outermost layer
- Internal abdominus oblique: Middle Layer
- Transverse abdominus: Innermost Layer
- Abdominal wall muscles protect internal organs and allow normal compression during functional activities such as coughing, sneezing, urination, defacation, and childbirth.
Internal Anatomy of the Abdomen
-Parietal peritoneum: Lines the abdominal cavity
-Visceral peritoneum: Covers the external surfaces of most abdominal organs
-Different body systems:
Gastrointestinal
Reproductive (female)
Lymphatic
-Urinary
Internal Anatomy: Solid Viscera
- Viscera: Organs that don’t expand, solid
- Liver
- Pancreas
- Spleen
- Adrenal Glands
- Kidneys
- Ovaries
- Uterus
Liver
- Largest solid organ in the body.
- In right costal margin, palpated with both hands, can only feel it if enlarged, assists with GI system, storage of glucose, formation of blood, plasma proteins, and clotting factors, urea synthesis, cholesterol production, bile formation, destruction of rbc, stores iron and vitamins, helps with detoxification of body and blood
Pancreas
- Normally not palpable
- Up and behind stomach, extends from RUQ to LUQ, endocrine gland, assessory organ to help with digestion
Spleen
-only palpate if enlarged, below 9th and 11th ribs, 7cm wide, functions to filter blood of cellular debris, assists with digestion of microorganisms, returns breakdown products to liver, nonpalpable organ, only if enlarged
Kidneys
-10x5cm, located in posterior side of T12-L3, primary functions is filtration and eliminations, sometimes assist with electrolyte control, help with BP, function as endocrine glands by secreting hormones
Uterus and Ovaries
- Uterus: May be palpated above the level of the symphysis pubis in the midline
- Ovaries: Located in RLQ and LLQ.
Internal Anatomy: Hollow Viscera
- stomach
- gallbladder
- small intestine
- colon
- bladder
Stomach
Not usually palpable, located on LUQ, function is to store, churn and digest food
Gallbladder
Not normally palpable, located posterior to liver, 10cm long, functions is to concentrate and store bile that is need to digest fat
Small Intestine
Not normally palpable, 2.5cm wide, 7meters long, function is digesting and absorbing nutrients
Colon
1.4m long, 6cm wide, ascending, transverse, descending, functions is to secrete large amounts of alkaline mucous to lubricate intestines and to neutralize acids that form by intestinal bacteria and absorption of water and waste of products for elimination
Bladder
Located behind pubic bone, functions as temporary receptacle for urine.
May be palpated if it is filled with urine.
Viscera Normally not palpable
Pancreas, spleen, stomach, gallbladder, small intestine
Vascular Structures
Abdominal organs are supplied with arterial blood by abdominal aorta
Aorta branches into right and left iliac arteries
Peptic Ulcers
- Ulcers or open sores
- Located in the lining of the esophagus, stomach, and small intestine when acid eats away the protective mucous covering and erodes the underlying lining of these organs.
- Gastric ulcer if located in the stomach
- Often caused by Helicobacter Pylori (H. pylori)
- Symptoms: burning, worsening pain when stomach is empty, feeling full, nausea, vomiting, chest pain, fatigue, weight loss, black or tarry stools.
Risk Factors for Peptic Ulcer Disease
-Presence of Helicobacter pylori in gastrointestinal tract(Can be controlled)
-Excessive alcohol intake
-Regular use of nonsteroidal anti-inflammatory medications (NSAIDs), as well as bisphosphonates (Can be controlled)
-Smoking cigarettes or chewing tobacco (Can be controlled)
-Serious illness (especially if on respirator)
-Radiation treatments (Can’t be controlled)
-Zollinger–Ellison syndrome (rare condition of a tumor in the pancreas releasing a high level of an acid-producing hormone) (Can’t be controlled)
-Uncontrolled stress (Can’t be controlled)