Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
52 Cards in this Set
- Front
- Back
|
What are the three blood vessel types?
|
Arteries
Veins Capillaries |
|
|
T/F
Lymph vessels are a part of the Cardio Vascular system. |
F
|
|
|
What arteries are just visible to the naked eye?
|
Arterioles
|
|
|
What is the function of valves in the veins?
|
Keep blood flowing even when against gravity.
|
|
|
What is the sack around the heart called?
|
Pericardium
|
|
|
What function does the SA node have?
|
Pacemaker of the heart
|
|
|
What are PQRST waves?
|
P=prior to atrial contractions
QRS=prior to ventricular contraction T=ventrical recovery |
|
|
Diastole is________.
Systole is ________. |
Diastole=relax
Systole=contraction |
|
|
Where does blood go into heart? Out?
|
In=Atrium
Out=Ventricle |
|
|
Which side of the heart deals with oxygen rich blood? Oxygen Poor?
|
Rich=Left
Poor=Right (from hearts perspective) |
|
|
What are the main valves in the heart?
|
2x atrial ventrical
2x semi-lunar (stop blood from going back into heart) |
|
|
What are the formed elements in blood?
|
Red Blood Cells
White Blood Cells Platlets |
|
|
What antigens and antibodies does each blood type have?
|
O=no antigens/A & B antibodies
AB= A&B antigens/ no antibodies A= A antigens/B antibodies B= B antigens/A antibodies |
|
|
What stimulates red blood cell production?
|
erythropoietin
|
|
|
What makes white blood cells different from red blood cells?
What do they do? |
Nucleus
Larger lack hemoglobin Fight infection |
|
|
What do B-lymphocytes do?
|
produce antibodies-via plasma cells and produce memory cells
|
|
|
_____ are proteins produced by the body in response to a foreign substance called an_____.
|
Antibodies,
Antigens |
|
|
What provides a barrier to pathogens for the body?
|
Skin, Mucous Membranes, Stomach Acid, Intestinal Bacteria
|
|
|
What is the significance of the shape of the lymphocyte receptors?
|
They bond to a specific antigen.
|
|
|
What is active immunity?
|
Create your own immunity.
Long term. |
|
|
What is passive immunity?
|
Give immunity. Injection or from mom.
Temporary |
|
|
What is autoimmune disease?
|
Immune system kills itself or the rest of the body.
|
|
|
What is a prion?
|
Deformed proteins that can cause wasting diseases.
|
|
|
What are the functions of the digestive system?
|
Ingestion
Digestion Movement Absorption Elimination |
|
|
Where does digestion begin?
|
Mouth
|
|
|
What are the parts of the crown of the tooth?
|
Enamel
Dentin Pulp |
|
|
What is the swallowing sequence?
|
1. Bolbus of food
2. Volutary swallowing 3. trachea and pharynx closed 4. food enters esophogus 5. peristalsis pushes food into stomach through a sphincter. |
|
|
How is food moved through the digestive system?
|
Peristalsis
|
|
|
What is the purpose of villi in the small intestines?
|
Increase surface area to absorb nutrients.
|
|
|
What is the function of CCK?
|
Comes from Duodenem causes gallbladder to contract, excreting bile and liver to increase production of bile and increased pancreatic juice
|
|
|
What is the preferred energy source for cells?
|
Glucose
|
|
|
What causes osteoperosis?
|
Kill bone faster than it can be produceed.
|
|
|
What are polyps?
|
growths on epithelial lining of colon
|
|
|
What happens to air as it passes through the respiratory tract to lungs?
|
Filters warms and moistens air
|
|
|
What are three parts of the pharynx?
|
nasopharynx
oropharynx laryngopharynx |
|
|
What does the trachea divides into?
|
Right and Left
Bronchi |
|
|
What is at the end of bronchioles?
|
Alveoli
|
|
|
What surrounds the alveolar sacs?
|
Blood capillaries
|
|
|
What is a normal tidal volume?
|
500ml
|
|
|
What is a normal inspiratory reserve volume?
|
2900-3400ml
|
|
|
What is a normal expiratory reserve volume?
|
1400ml
|
|
|
What is a normal residual volume?
|
1000ml
|
|
|
What is vital capacity?
|
The maximum amount one can inhale plus the maximum amount one can exhale.
|
|
|
The respiratory center of in the brain is____.
|
Medulla Oblongata
|
|
|
What causes the air to enter the lungs & leave the lungs? (which is active/passive)
|
enter=inspiration=diaphram pulls air in/active
exit=expiratoin=diaphram relaxes/passive |
|
|
What causes the exchange of O2 & CO2 in the lungs?
|
Diffusion caused by Concentration gradient
|
|
|
What happens if you inhale asbestos, coal dust, etc.? (what diseases does it cause?)
|
pulmonary fibrosis
|
|
|
What lowers the surface tension in alveoli?
|
lipoprotein/ surfactant
|
|
|
What are the vital functions of the kidneys?
|
Excretion of metabolic wastes
Water/Salt Balance Acid/Base Balance Secretion of hormones |
|
|
What are the key parts of the urinary tract?
|
Kidney
Ureter Bladder Ureathra |
|
|
What is the voluntary bladder control muscle?
|
External Sphincter
|
|
|
What are the filterable blood components?
|
Water
Nitrogenous wastes Nutrients Salts/Ions |
