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TLS Online TPP Program

#Question id: 10494

Sucrose is an osmotically active solute in guard cells, One implication of these osmoregulatory features is that stomatal opening & closing is associated with which of the following given statements?

#Unit 6. System Physiology – Plant
  1. Closing of stomata is associated with a decrease in sucrose content primarily and then opening of stomata associated with K+ uptake
  2. opening of stomata is primarily associated with K+ uptake, and closing of stomata is associated with a decrease in sucrose content
  3. opening of stomata is primarily associated with a decrease in sucrose content and closing of stomata is associated with K+ uptake
  4. opening of stomata is primarily associated with ions uptake and closing of stomata is associated with a increase in sucrose content
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TLS Online TPP Program

#Question id: 10995

#Unit 7. System Physiology – Animal

When recording lead III on an EKG, the negative electrode is the
TLS Online TPP Program

#Question id: 10878

#Unit 7. System Physiology – Animal

The resistance of the pulmonary tree is so low that a 1 cm of water pressure gradient is sufficient to cause normal air flow during resting conditions. Which of the following often has a substantial resistance during pulmonary disease states that can limit alveolar ventilation?
TLS Online TPP Program

#Question id: 11059

#Unit 7. System Physiology – Animal

A healthy, 45-year-old man is reading the newspaper. Which of the following muscles are used for quiet breathing?
TLS Online TPP Program

#Question id: 11060

#Unit 7. System Physiology – Animal

A healthy, 25-year-old medical student participates in a 10-km charity run for the American Heart Association. Which of the following muscles does the student use (contract) during expiration?
TLS Online TPP Program

#Question id: 11061

#Unit 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

#Unit 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)?