TLS Online TPP Program

#Question id: 8849


Humans can digest starch but not cellulose because

#9. Diversity of Life Forms
  1. the monomer of starch is glucose, while the monomer of cellulose is galactose.
  2. humans have enzymes that can hydrolyze the beta (β) glycosidic linkages of starch but not the alpha (α) glycosidic linkages of cellulose.
  3. humans have enzymes that can hydrolyze the alpha (α) glycosidic linkages of starch but not the beta (β) glycosidic linkages of cellulose.
  4. humans harbor starch-digesting bacteria in the digestive tract.
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TLS Online TPP Program

#Question id: 11061

#7. System Physiology – Animal

The pleural pressure of a normal 56-year-old woman is approximately −5 cm H2O during resting conditions immediately before inspiration (i.e., at functional residual capacity). What is the pleural pressure (in cm H2O) during inspiration?

TLS Online TPP Program

#Question id: 11062

#7. System Physiology – Animal

The alveolar pressure of a normal 77-year-old woman is approximately 1 cm H2O during expiration. What is the alveolar pressure during inspiration (in cm H2O)?

TLS Online TPP Program

#Question id: 11063

#7. System Physiology – Animal

A man inspires 1000 ml from a spirometer. The intrapleural pressure was −4 cm H2O before inspiration and −12 cm H2O the end of inspiration. What is the compliance of the lungs?

TLS Online TPP Program

#Question id: 11065

#7. System Physiology – Animal

A liquid-ventilated lung compared to a gas-ventilated lung

TLS Online TPP Program

#Question id: 11066

#7. System Physiology – Animal

A 22-year-old woman has a pulmonary compliance of 0.2 L/cm H2O and a pleural pressure of −4 cm H2O. What is the pleural pressure (in cm H2O) when the woman inhales 1.0 L of air?

TLS Online TPP Program

#Question id: 11068

#7. System Physiology – Animal

A patient has a dead space of 150 ml, functional residual capacity of 3 L, tidal volume of 650 ml, expiratory reserve volume of 1.5 L, total lung capacity of 8 L, and respiratory rate of 15 breaths/min. What is the residual volume?