answers 100% 2026
the term ventilation refers to - Correct Answermechanical process of moving air in & out of
lungs
most of the oxygen that is transported in the blood is in - Correct Answerthe form of
carboxyhemoglobin
an increase in blood temp & a decrease in blood pH would result in____ in the oxyhemoglobin
dissociation curve & increased _____ of oxygen - Correct Answerrightward shift; unloading
which of the following features of the oxyhemoglobin dissociation curve helps to ensure
adequate oxygen delivery to tissue during exercise? - Correct Answer-sigmoidal shape
-shift curve to the right due to increased temp
-the shift in the curve to the right due to incr. acidity
the carotid bodies possess chemoreceptors that are sensitive to changes in arterial - Correct
AnswerpH, PCO2, PO2, K+ concentrations
which zone in the lungs is responsible for exchange of gasses bw the environment & the blood?
- Correct Answerrespiratory zone
what is the name of the primary muscle responsible for creating pressure changes in the lung,
resulting in ventilation/inspiration? - Correct Answerdiaphragm
name the protein in the red blood cell responsible for transporting oxygen - Correct AnswerHb
name one factor tht alters the affinity of oxygen on Hb - Correct AnswerPO2, pH, temperature