Biology, Anatomy & Physiology Flashcards
Superior
Above, towards head
Inferior (caudal)
Below, towards feet
Anterior (ventral)
Towards front
Posterior (dorsal)
Towards back
Medial
Towards midline
Lateral
Away from midline to sides
Proximal
Towards trunk of the body
Distal
Away from trunk of body
Superficial
Close to surface
Deep
Towards inside
Sagittal Plane
Divides body into left and right (anywhere)
Midsagittal Plane
Divides body into equal left and right (middle)
Transverse Plane
Divides body into upper and lower
Frontal (coronal) Plane
Divides body into front and back
Cranial
Brain
Spinal
Spinal Cord
Thoracic
Lungs, heart, esophagus, trachea
Abdominal
Stomach, small and large intestine, gallbladder, spleen, liver, kidneys, pancreas
Pelvic
Bladder, reproductive organs
Body Regions: Upper
- Right hypochondriac
- Epigastric
- Left hypochondriac
Body Regions: Mid
- Right lumbar
- Umbilical
- Left lumbar
Body Regions: Lower
- Right iliac (inguinal)
- Hypogastric
- Left iliac (inguinal)
What are the 3 sections of the small intestine?
- Duodenum
- Jejunum
- Ileum
What are the 8 types of structural units?
- Atoms
- Molecules
- Organelles
- Cells
- Tissues
- Organs
- Organ systems
- Organism
Skeletal Muscle
- Extremities
- Elongated, cylindrical cells
Cardiac Muscle
- Heart
- Short, branching cells
Smooth Muscle
- Blood vessels
- Hollow organs
- Short, tapered cells
Epithelium
- Body surfaces
- Digestive
- Respiratory
- Reproductive
- Urinary tract
- Surrounding cavity
Connective Tissue
- Bone
- Cartilage
- Blood (cells in extracellular matrix)
Nervous Tissue
- Brain
- Spine (neurons, neuroglia)
Tendon
Muscle to bone
Ligament
Bone to bone
Nervous System: Central
Brain, spinal cord
Nervous System: Peripheral (Sensory)
Everything else
Nervous System: Motor (Somatic Nervous System)
Controls skeletal muscles
Nervous System: Motor (Autonomic Nervous System)
Controls:
- Smooth muscles
- Cardiac
- Glands
- Parasympathetic system (rest/digest)
- Sympathetic (fight/flight response)
What does the Endocrine System do?
Secretes hormones
Name the 10 Organs included in the Endocrine System
- Pancreas
- Hypothalamus
- Thymus
- Heart
- Kidneys
- Stomach
- Liver
- Spleen
- Skin
- Reproductive
Steroid Hormones
Cholesterol and Lipid soluble
Protein Hormones
Amino acids
What are the 5 different types of Glands?
- Pituitary
- Thyroid
- Parathyroid
- Adrenal
- Pineal
What is the purpose of the Integumentary System?
- Covers and protects tissues and organs
- Regulates temperature and moisture
Skin Layers: Stratum Corneum
Surface layer
Skin Layers: Stratum Lucidum
Palms/soles of the feet
Skin Layers: Stratum Granulosum
Cell death begins here
Skin Layers: Stratum Spinosum
Melanocytes
Skin Layers: Stratum Basale
Deepest layer of skin (where epidermal cells are created)
Skin Layers: Sweat Glands
- Merocrine (thermoregulation)
- Apocrine (hair follicles)
- Ceruminous (ear wax)
Skeletal System: Axial Skeleton
80 bones:
- Skull
- Hyoid
- Auditory Ossicles
- Vertebral Column
- Sternum
- Ribs
Skeletal System: Appendicular Skeleton
126 bones:
- Pectoral
- Pelvic Girdle
- Upper and lower extremities
Bone Structures: Cancellous
Spongy bone (marrow)
Bone Structures: Compact
Dense bone (protection) made up of cells and canals
Bone Structures: Flat Bones
Where muscles attach:
- Sternum
- Ribs
- Scapula
- Cranium
Bone Structures: Long Bones
For Stability:
- Femur
- Tibia
- Fibula
- Humerus
- Radius
- Ulna
- Phalanges
Bone Structures: Short Bones
For Balance:
- Carpals
- Tarsals
Bone Structures: Irregular Bones
- Vertebrae
- Coaxal
- Some facial bones
- Calcaneus
Bone Structures: Sesamoid Bones
Protect Tendons:
- Patella
Bone Structures: Skull Bones
- 21 immobile bones
- Mandible
Cardiopulmonary System - Blood:
- Connective tissue
- Moves oxygen to/from tissues, hormones, nutrients, WBCs, clotting factors
Cardiopulmonary System - Veins
- Low pressure
- Has valves
- Not oxygenated blood
Cardiopulmonary System - Arteries
- High pressure
- Oxygenated blood
Cardiopulmonary System - Capillaries
Gas exchange into tissues/myoglobin
Cardiopulmonary System - Heart
4 Chambers:
- L/R atrium
- L/R ventricles
Cardiopulmonary System - Parts of the Heart
- Pericardium
- Aorta
- Pulmonary Vein
- Pulmonary Artery
Cardiopulmonary System - 4 Boarders of the Heart
- Superior (top)
- Inferior (bottom)
- Medial (middle)
- Lateral (side)
Cardiopulmonary System - Order of Flow
- R atrium (blood from body)
- R ventricle - out pulmonary artery to lungs (to get oxygenated)
- L atrium via pulmonary vein
- L ventricle
- Out L ventricle into the body via aorta
What is the purpose of the Lymphatic System?
Collect and control interstitial fluid through network of vessels and glands + thymus and spleen
Immune Response: Primary
- First time exposure
- Slow
- Takes several weeks
Immune Response: Secondary
- Next time exposure
- Quick response
- Memory cells
Immune Response: Innate/Nonspecific
- Born with immunity
- No stimulus
Immune Response: Acquired/Specific
Developed immunity
Immune Response: Naturally acquired (Active)
Exposure
Immune Response: Naturally Acquired (Passive)
Breastfeeding
Immune Response: Artificially Acquired (Active)
Vaccines
Immune Response: Artificially Acquired (Passive)
Antibodies
Immune Response: Cellular Immunity
- T cells (made in thymus)
- Lymphocytes (non antibody)
Immune Response: Lymphocyte
- Natural killer cells
- Target cancer
Immune Response: Cytotoxic T Cells
Secrete chemicals to punch holes in harmful cells
Immune Response: Humoral Immunity
- B cells (made in bone marrow)
- Lymphocytes oversee immune response
Immune Response: Helper T Cells
Increase antibody and B cell formation
Immune Response: Memory T Cells
Recognize threats
Inflammation Response
- Fever + WBC
- Neutrophils/monocytes - phagocytosis
Antibodies: IgA
Prevent pathogens from entering body (found in breastmilk, tears, saliva, mucus)
Antibodies: IgD
Controls activity (cell membrane of B cells)
Antibodies: IgE
Prevents parasites from entering body (found with IgA) (also allergies)
Antibodies: IgG
Made by liver (found in blood - most prevalent antibody, can cross placenta)
Antibodies: IgM
Incompatible blood cells, food, bacteria (cannot cross placenta)
What is another name for Immunoglobulins?
Gamma Globulins
Digestive System: Alimentary Tract
Path from mouth to bum
Digestive System: Organs
- Pharynx
- Esophagus
- Stomach
- Small/Large intestine
- Rectum
- Anal Canal
Digestive System: Accessories
- Teeth
- Tongue
- Salivary glands
- Liver
- Gallbladder
- Pancreas
Digestive System: Functions
- Ingestion (taking in food)
- Secretion (saliva, water, acids, enzymes)
- Mixing and Propulsion (peristalsis)
- Digestion (mechanical & chemical)
- Absorption (into the blood and lymph)
- Defecation (waste removal)
Digestive System - Enzymes: Lingual Lipase
Breaks down triglycerides into fatty acids
Digestive System - Enzymes: Pepsinogen
- Secreted by chief cells
- Breaks down proteins with the help of stomach acid
Digestive System - Enzymes: Hydrochloric Acid
- Secreted by parietal cells
- Converts pepsinogen to pepsin
Digestive System - Enzymes: Intrinsic Factor
- Secreted by parietal cells
- Absorbs vitamin B12
Digestive System - Hormones: Gastrin
Produced by the stomach to turn the gastric glands on
Digestive System - Hormones: Cholecystokinin
Produced by the small intestine to turn the gastric glands off
Digestive System: Liver
- Produces bile to help breakdown fats, carbs and proteins
- Produces albumin and fibrinogen
- Stores glucose as glycogen
- Stores vitamins A, B12, D, E, K
Digestive System: Gallbladder
Stores the bile produced by the liver
Respiratory System: Upper Respiratory
- Nose
- Nasal cavity
- Sinuses
- Pharynx
- Larynx
- Vocal cords
Respiratory System: Lower Respiratory
- Trachea
- Lungs
- Bronchial tree
(breathing controlled by medulla oblongata (rhythm and depth) and the pons (rate))
Urinary System: Organs
- Kidney
- Bladder
- Urethra
(most important part of the kidneys is the “nephron”)
Hematopoiesis: Organs
- Bone marrow
- Liver
- Spleen
What is “Erythropoietin”?
Hormone produced by kidneys to stimulate production of RBCs
Vitamins: B and C
- Water soluble
- Rest are fat soluble
Vitamins: A
- Essential for skin
- Bone and tooth development
- Photoreceptors in the eye
Vitamins: A Deficiency
Night blindness
Vitamins: B2
- Riboflavin
- Coenzyme for carb/protein metabolism
Vitamins: B3
- Niacin
- Metabolic reactions
Vitamins: B6
- Pyridoxine
- Coenzyme
Vitamins: B9
- Folic Acid
- Essential for nervous system
Vitamins: B12
- Cobalamin
- Coenzyme for RBC formation
Vitamins: C
- Antioxidant
- Wound healing
- Synthesis of collagen
- Coenzyme
Vitamins: D
Absorption of calcium and phosphorus
Vitamins: E
- Antioxidant
- RBC
- DNA
- RNA formation
- Nervous function
Vitamins: K
Blood clotting
Minerals: Calcium
- Most abundant to the body
- Nerve transmission
- Muscle activity
- Cellular activity
- Blood clotting
Minerals: Phosphorus
- Bones and teeth
- Buffers pH
- Production of ATP
Minerals: Potassium
- Most abundant cation in extracellular fluid
- Nerve transmission
Minerals: Sulfur
- Production of ATP
- Part of several hormones and vitamins
Minerals: Sodium
Essential for action potential and water regulation
Minerals: Chloride
- Part of HCI stomach acid
- Buffers pH and water regulation
Minerals: Iron
Important for hemoglobin
Minerals: Iodide
Synthesis of thyroid hormones
Minerals: Cobalt
Important component of B12
Minerals: Chromium
Insulin activity
Minerals: Copper
Coenzyme in synthesis of hemoglobin
Minerals: Fluoride
Bones and teeth
Minerals: Magnesium
Coenzyme for muscle and nervous tissue
Minerals: Zinc
- Sensation of taste
- Wound healing
- Other metabolic reactions
Minerals: Manganese
- Metabolic function
- Hemoglobin synthesis
- Urea formation
Minerals: Selenium
- Antioxidant
- Prevention of coronary artery disease and prostate cancer
Assorted Terms: Post Prandial
After eating:
ex. 2hrsPP - tell patient to come back 2 hours after eating
Assorted Terms: Pyrexia
Fever
Assorted Terms: Spleen
Removes old RBCs
Assorted Terms: Fibrocartilage
Spinal cartilage
Assorted Terms: Hyaline Cartilage
Trachea cartilage
Types of Isolations and PPE: Enteric
- Infectious agents passed from fecal contact
- Prevents direct/indirect touch of fecal contaminants
Gloves, Handwashing
Types of Isolations and PPE: Contact
- Infectious agents passed from wound contact
- Prevents direct/indirect touch of wound contaminants
Gloves, Handwashing
Types of Isolations and PPE: Respiratory or Airborne
- Infectious agents passed from regular breathing
- Prevents inhalation of airborne pathogens
Gloves, Mask
Types of Isolations and PPE: Droplet
- Infectious agents passed from droplets through coughing or sneezing
- Prevents inhalation of particles hanging in the air or touching droplets that have landed on surface or cloth
Gloves, Mask
Types of Isolations and PPE: Strict
Very high level of risk/suspected risk
Types of Isolations and PPE: Reverse
Isolating a immunocompromised patient from possible pathogens from visitors or staff
Gloves, Mask
When do we have Serous Membranes? Where?
- Early embryonic life
- Outer lining; organs, body cavities (abdomen, chest, stomach)
Organelles of the Cell/Function: Nuclei
Stores genetic information
Organelles of the Cell/Function: Mitochondria
Produce chemical energy
Organelles of the Cell/Function: Ribosomes
Assemble proteins
Organelles of the Cell/Function: Lysosomes
“Suicide bags”
Has hydrolytic enzymes stores in them
Arteries vs Veins: Arteries
- Carries oxygenated blood from heart to tissues
- Deeper than veins
- More muscular
- Transports blood under higher pressure
- Transports blood in pulses
- No valves
Arteries vs Veins: Veins
- Carries deoxygenated blood from tissues to heart
- Found closer to the skin
- Transports blood under lower pressure
- Transports blood smoothly
- Has valves
- Less muscular
Where is Progesterone Produced?
- Adrenal glands
- Gonads
Where is TSH produced?
- TSH - Peptide hormone
- Produced by anterior pituitary
Name the 4 Tropic Hormones
- FSH - Follicle-stimulating hormone
- LH - Luteinizing hormone
- ACTH - Adrenocorticotropic hormone
- TSH - Thyroid-stimulating hormone
Why do we need Insulin?
Decreases blood sugar levels
Why do we need Glucagon?
Increases blood sugar levels
What are the two parts of the eye which refracts rays?
- Cornea
- Eye-lens
Name the 6 Mitosis Phases
- Prophase
- Prometaphase
- Metaphase - Chromatids line up at center of cell
- Anaphase
- Telophase
- Cytokinesis
What do Ion pumps do in the cell membrane?
- Uses ATP hydrolysis energy; transfers ions from one side to another
- Moves against their electrochemical gradient
End product of Mitosis/Meiosis: Mitosis
- Two identical daughter cells
- Produces new cells
End product of Mitosis/Meiosis: Meiosis
Produces new sex cells
What is Microglia?
Cells of brain regulate brain development, maintenance or neuronal networks
What is Astrocyte?
- Large star-shaped cell
- Holds cells in place
- Helps cells develop and work
What is Oligodendrocyte?
- Similar to astrocyte
- Fewer protuberances
- Production of myelin in central nervous system
What is Schwann Cell?
- Type of glial cell of peripheral nervous system
- Helps separate and insulate nerve cells
What are Osteocytes?
Bone cell formed when osteoblast becomes embedded in the matrix if secreted
What are Chondrocytes?
Cells that’s secreted the matrix of cartilage and becomes embedded
Structure of the Long Bone (Epiphysis)
- Diaphysis
- Epiphysis
- Metaphysis
- Articular cartilage
- Periosteum
- Medullary cavity
- Endosteum
Chemical Bonds: Ionic Bond
Electrostatic attraction between two atoms
Chemical Bonds: Covalent Bond
Chemical bond where two or more atoms share one or more electron pairs
Chemical Bonds: Hydrogen Bond
Dipole-dipole attraction between molecules
Examples of Homeostasis
- Temperature regulation
- Healthy blood pressure maintenance
- Calcium level maintenance
- Water level regulation
- Defending against viruses and bacteria
What part of they eye is responsible for Colour Vision?
Retina (cones)
What part of the eye is responsible for Night Vision?
Rods
Influence of Cells: Isotonic
No net movement of water
Influence of Cells: Hypertonic
Shrivel and die by a process known as “plasmolysis”
Influence of Cells: Hypotonic
Swell and expand; cytolysis
Ossicles of the Ear (in order from outer to inner)
- Malleus
- Incus
- Staples
How does Nerve Impulse happen?
When a neuron receives a chemical stimulus:
- Sodium (Na) ions; flow in, causing action potential
- Potassium (K) ions; flow out, resting potential