Med Terms
Tachycardia
fast heart beat
Which type of vessel carries blood to the heart?
Vein
What are the 4 chambers of the heart?
- Right atrium
- Right ventricle
- Left atrium
- Left ventricle
TB
tuberculosis
What takes place in the capillaries?
Gas and nutrient exchange (body tissues take in O2 and release CO2)
What is the pacemaker of the heart called?
Sinoatrial (SA) node
MI
myocardial infarction
Why do arteries have thick walls?
To compensate for high blood pressure in arteries
What is the epiglottis?
a small flap of cartilage that lies over the larynx closing when swallowing.
CAD
Coronary artery disease
The only artery that carries deoxygenated blood
Pulmonary artery
Name the 2 types of heart valves
- atrioventricular valves (tricuspid & mitral valves)
- semilunar valves (aortic & pulmonary valves)
COPD
Chronic obstructive pulmonary disease
List 2 ways to compensate low blood pressure in veins.
- valves prevent backflow
- skeletal muscle contraction (exercise)
- breathing returns blood in abdomen and thorax to heart
What are the 3 divisions of the pharynx?
Nasopharynx- the section immediately behind the nasal cavity.
Oropharynx- located in the back of the mouth.
Laryngopharynx- lowest section of the pharynx as it approaches the larynx