Multiple Choice Final Flashcards
What structures are involved in the pulmonary circuit
Right atrium
Right ventricle
Pulmonary artery
Pulmonary vein
What structures are involved in the systemic circuit
Left atrium
Left ventricle
Aorta
Function of veins
Carry blood to the heart
Function of capillaries
Gas/nutrient exchange
Function arteries
Carry blood away from heart
Purpose of SA node
Pacemaker
What is blood pressure
The pressure blood exerts on walls of arteries
What waste products are removed from the tissues
Carbon dioxide
Urea
Metabolic waste
Functions of blood
Gas exchange
Defense
Hemostasis (blood clotting)
What antigens are present that code for different blood types
A and B
What are the non specific defenses
Skin
Cilia
Mucus
HIV
attacks T-cells
What are four signs of inflammation
Heat
Redness
Swelling
Pain
What are autoimmune diseases
Immune system attacks own body tissues
Examples: rheumatoid arthritis, MS,diabetes mellitus, Grave’s disease
What part of the brain is responsible for increasing body temperature during an infection
Hypothalamus
What are the lymph organs
Tonsils
Thymus
Spleen
What is the purpose of the pharynx
Common passageway for air and food
Where does gas exchange take place
Alveoli
What is the pathway air takes to reach the blood in capillaries
Nose, pharynx, larynx, trachea, bronchi, bronchioles, alveoli, capillaries
What muscle controls breathing
Diaphragm
What happens to pressure and volume during exhalation
Air increased, volume decreased
What happens to pressure and volume during inhalation
Volume increase, pressure decrease
What is the main stimulus for increase in breathing rate
Increase in level of carbon dioxide in blood
What is the function of the epiglottis
Routes food to the esophagus and air to the trachea
What is chemical digestion
enzymes break down food molecules into their building blocks
Mechanical breakdown
Break down physically into smaller pieces
Trace the pathway of food from the mouth until it is eliminated
Mouth, pharynx, esophagus, stomach, small intestine, large intestine