Chapter 5: Basic A&P Flashcards
Levels of Organization of the body
cell, tissue, organ, body system, organism
anatomical position
body standing erect, head facing forward, and arms by sides with palms forward
supine
body lying horizontal on back face up
prone
body laying face down
frontal plane
divides the body into the anterior and posterior
sagittal plane
divides body vertically into right and left
transverse plane
divides body horizontally into upper and lower
thoracic cavity
lungs, heart
abdominal cavity
liver, stomach, intestines, kidneys
pelvic cavity
uterus, testes, bladder
cranial cavity
brain
spinal cavity
spinal cord
body systems
integumentary, skeletal, muscular, nervous, respiratory, digestive, urinary, endocrine
integumentary system functions
protection regulation, sensation, secretion
integumentary system components
skin, hair, sebaceous and sudoriferous glands
integumentary system disorders
acne, dermatitis, eczema, impetigo, psoriasis, skin cancer, infection
integumentary system tests
culture and sensitivity, skin biopsy
skeletal system function
support, protection, movement, mineral storage, and blood cell formation
skeletal system components
bones, connective tissue, joint
skeletal system disorders
arthritis, bursitis, gout, osteoporosis, scoliosis, spina bifida
skeletal system tests
ALP (alkaline phosphatase, elevated in bone degradation), ANA (antinuclear Ab), Ca, Phos, Vit D, RF (rheumatoid factor), synovial fluid
muscular system function
provides body movement
muscular system components
skeletal, smooth, cardiac
skeletal muscle
attaches to bone, voluntary movement
smooth muscle
surround digestive tract, respiratory, urinary tract, vasculature, involuntary movement
cardiac muscle
heart muscle, involuntary
muscular system disorders
atrophy muscular dystrophy, myasthenia gravis, tendinitis
muscular system tests
creatine kinase (CK level), lactic acid, myoglobin, LDH, Mg, K
nervous system function
communication, integration, and controls all body functions through sensory stimuli
nervous system components
neurons, central nervous system, peripheral nervous system
neurons
complex cells, transmit impulses
central nervous system
consists of brain and spinal cord, receives all nerve impulses
peripheral nervous system
controls voluntary and involuntary impulses
nervous system disorders
alzheimer’s, Bell’s palsy, cerebal palsy, CVA, encephalitis, epilepsy, MS, meningitis, Pakrinson’s, Reye’s, shingles
nervous system tests
done with 40mL of spiral fluid from a lumbar puncture; CSF cell count/differential, culture, glucose, protein, lead, lithium, toxicology
respiratory system function
exchanges O2 and CO2 between blood, air, and tissue
respiratory system components
respiration, gas transport, and acid-base balance
external respiration
exchange between blood and lungs
internal respiration
exchange between blood and tissue
respiratory system disorders
apnea, asthma, bronchitis, COPD, cystic fibrosis, emphysema, pneumonia, pulmonary edema, RSV, strep throat, tonsilitis, tuberculosis
respiratory system tests
arterial blood gas (overall O2 and CO2 state), CBC, electrolytes, PPD skin test (tuberculosis), sweat chloride (cystic fibrosis), culture and sensitivity (if infection is suspected)
Digestive system function
absorption of nutrients and elimination of waste
digestive system components
alimentary/GI tract and accessory organs
digestive system disorders
appendicitis, cholecystitis, cirrhosis, Crohn’s, diverticulosis, gastritis, gastroenteritis, hemorrhoids, hernia, hepatitis, pancreatitis, peritonitis, ulcers
digestive system accessory organs
teeth, tongue, salivary glands, liver, gallbladder, and pancreas
digestive system tests
hepatic panel, amylase (pancreas), lipase (pancreas), stool studies, culture and sensitivities
urinary system function
removes metabolic waste and excess water, maintains body’s balance of essential water and electrolytes
urinary system components
2 kidneys, 2 ureters, urinary bladder, urethra
urinary system disorders
cystitis, glomerulonephritis, pyelonephritis, renal caliculi, renal failure, uremia, urinary tract infection
urinary system tests
albumin, BUN (blood urea nitrogen), creatinine, electrolytes, osmolality, GFR, uric acid, urinalysis
endocrine system function
produces and regulates hormones, which are responsible for metabolism, growth and development, reproduction, and stress response
endocrine system components
pituitary gland, parathyroid gland, thyroid gland, adrenal glands, pancreas, testes, and ovaries
endocrine system disorders
addison’s, cushing’s, diabetes mellitus, acromegaly, diabetes insipidus, dwarfism, gigantism, goiter, Grave’s
endocrine system tests
ACTH, ADH, aldosterone, catecholamines, T3 and T4, PTH, insulin, GH (growth hormone), somatostatin, GTT (glucose tolerance test)
reproductive system functions
production of gametes, fertilization, and embryo maintenance
reproductive system tests
beta human chorionic gonadotropin (B-HCG), prostate-specific Ag (PSA), Papanicolaou smear (PAP smear)
lymphatic system functions
removal of cellular waste and production of B and T cells
lymphatic system tests
antinuclear antibody (ANA), monospot, and T cell count