6q: all of the following enzymes are active with in a cell except?
d. alcohol dehydrogenase
7q: exercise is also prescribed as an adjuvant treatment for depression . most probably this acts by ?
a. increasing pulse pressure
b. improving hemodynamics
c. raising endorphin levels
d. inducing good sleep
8q: the intrapleural pressure is negative both during inspiration and expiration because ?
a. intrapulmonary pressure is always negative
b. thoracic cage and lungs are elastic structures
c. transpulmonary pressure determines the negativity
d. surfactant prevents the lungs from collapse
9q: the velocity of blood is maximum in the ?
a. large veins
b. small veins