Bio 253 exam 3 UPDATED Exam Questions
and CORRECT Answers
Right side of heart - CORRECT ANSWER - Deoxygenated blood
left side of heart - CORRECT ANSWER - oxygenated blood
What dumps into the right atrium - CORRECT ANSWER - superior vena cava, inferior
vena cava, and coronary sinus
right side of heart - CORRECT ANSWER - Right aorta to AV valve- tricuspid to right
ventricle- semi lunar valve
pulmonary circuit - CORRECT ANSWER - Right side- sending deoxygenated blood to the
lungs
systemic circuit - CORRECT ANSWER - sends oxygen rich blood to the body. Left side
4 things that come off the aorta - CORRECT ANSWER - brachial cephalic, left
subclavian, left common coratid, left coronary artery
venous return aid - CORRECT ANSWER - skeletal muscle contraction, valves in veins,
Inspiration, right atrium relaxed
foramen ovale - CORRECT ANSWER - a hole between right and left atrium. lungs are
bypassed
ductus venosus in the fetus - CORRECT ANSWER - dumps into the inferior vena cava
, central chemoreceptors - CORRECT ANSWER - in medulla responds to ph, Co2, H
peripheral chemoreceptors - CORRECT ANSWER - in the large artery in the neck.
responds to CO2, O2, PH, H
Residual Volume (RV) - CORRECT ANSWER - The minimum volume of air in the lungs
when one exhales completely. cannot be measured. allows co2 to accumulate in the air
job duty of epiglottis - CORRECT ANSWER - attached to larynx. keeps food or liquid
from going into trachea
Tidal Volume (TV) - CORRECT ANSWER - the amount of air inhaled and exhaled in a
normal breath
Expiratory Reserve Volume (ERV) - CORRECT ANSWER - air forced out
inspiratory reserve volume - CORRECT ANSWER - Forced inspiration beyond normal
breathing
muscles used for normal quiet breathing - CORRECT ANSWER - diaphragm, external
intercostals
what muscles are used to force air in - CORRECT ANSWER - sternocledomastoid
what muscles are used to force air out - CORRECT ANSWER - internal intercostals,
abdominal muscles
Vidal capacity - CORRECT ANSWER - ERV + TV + IRV
and CORRECT Answers
Right side of heart - CORRECT ANSWER - Deoxygenated blood
left side of heart - CORRECT ANSWER - oxygenated blood
What dumps into the right atrium - CORRECT ANSWER - superior vena cava, inferior
vena cava, and coronary sinus
right side of heart - CORRECT ANSWER - Right aorta to AV valve- tricuspid to right
ventricle- semi lunar valve
pulmonary circuit - CORRECT ANSWER - Right side- sending deoxygenated blood to the
lungs
systemic circuit - CORRECT ANSWER - sends oxygen rich blood to the body. Left side
4 things that come off the aorta - CORRECT ANSWER - brachial cephalic, left
subclavian, left common coratid, left coronary artery
venous return aid - CORRECT ANSWER - skeletal muscle contraction, valves in veins,
Inspiration, right atrium relaxed
foramen ovale - CORRECT ANSWER - a hole between right and left atrium. lungs are
bypassed
ductus venosus in the fetus - CORRECT ANSWER - dumps into the inferior vena cava
, central chemoreceptors - CORRECT ANSWER - in medulla responds to ph, Co2, H
peripheral chemoreceptors - CORRECT ANSWER - in the large artery in the neck.
responds to CO2, O2, PH, H
Residual Volume (RV) - CORRECT ANSWER - The minimum volume of air in the lungs
when one exhales completely. cannot be measured. allows co2 to accumulate in the air
job duty of epiglottis - CORRECT ANSWER - attached to larynx. keeps food or liquid
from going into trachea
Tidal Volume (TV) - CORRECT ANSWER - the amount of air inhaled and exhaled in a
normal breath
Expiratory Reserve Volume (ERV) - CORRECT ANSWER - air forced out
inspiratory reserve volume - CORRECT ANSWER - Forced inspiration beyond normal
breathing
muscles used for normal quiet breathing - CORRECT ANSWER - diaphragm, external
intercostals
what muscles are used to force air in - CORRECT ANSWER - sternocledomastoid
what muscles are used to force air out - CORRECT ANSWER - internal intercostals,
abdominal muscles
Vidal capacity - CORRECT ANSWER - ERV + TV + IRV
