TLS Online TPP Program

#Question id: 4139


Which one of the following statements about the elongation phase of protein synthesis is true?

#SCPH01 Biochemistry
  1. At least five high-energy phosphoryl groups are expended for each peptide bond formed.

  2. During elongation, incoming aminoacylated tRNAs are first bound in the P site.

  3. Elongation factor EF-Tu facilitates translocation.

  4. Peptidyl transferase is a ribozyme.

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TLS Online TPP Program

#Question id: 11067

#SCPH28 | Zoology

A preterm infant has a surfactant deficiency. Without surfactant, many of the alveoli collapse at the end of each expiration, which in turn leads to pulmonary failure. Which of the following sets of changes are present in the preterm infant, compared to a normal infant?


TLS Online TPP Program

#Question id: 11068

#SCPH28 | Zoology

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?

TLS Online TPP Program

#Question id: 11069

#I Life Science/ Life Sciences Group – I-V

A 22-year-old woman inhales as much air as possible and exhales as much air as she can producing the spirogram shown in the figure. A residual volume of 1.0 L was determined using the helium dilution technique. What is her functional residual capacity (in liters)?

 

 

TLS Online TPP Program

#Question id: 11069

#SCPH28 | Zoology

A 22-year-old woman inhales as much air as possible and exhales as much air as she can producing the spirogram shown in the figure. A residual volume of 1.0 L was determined using the helium dilution technique. What is her functional residual capacity (in liters)?

 

 

TLS Online TPP Program

#Question id: 11070

#I Life Science/ Life Sciences Group – I-V

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, a total lung capacity of 8 L, respiratory rate of 15 breaths/min. What is the alveolar ventilation?

TLS Online TPP Program

#Question id: 11070

#SCPH28 | Zoology

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, a total lung capacity of 8 L, respiratory rate of 15 breaths/min. What is the alveolar ventilation?