TLS Online TPP Program

#Question id: 405


When a mixture of glucose 6-phosphate and fructose 6-phosphate is incubated with the enzyme phosphohexose isomerase (which catalyzes the interconversion of these two compounds) until equilibrium is reached, the final mixture contains twice as much glucose 6-phosphate as fructose 6-phosphate.  Which one of the following statements is best applied to this reaction outlined below? (R = 8.315 J/mol·K; T = 298 K) Glucose 6-phosphate -> fructose 6-phosphate

#SCPH05 I Biotechnology
  1. DG'° is incalculably large and negative.

  2. DG'° is –1.72 kJ/mol.

  3. DG'° is  zero.

  4. DG'° is +1.72 kJ/mol.

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TLS Online TPP Program

#Question id: 11018

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

A 50-year-old man has a blood pressure of 140/85 and weighs 200 lb. He reports that he is not feeling well, his EKG has no P-waves, he has a heart rate of 46, and the QRS complexes occur regularly. What is his likely condition?

TLS Online TPP Program

#Question id: 11019

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

An 80-year-old man had an EKG taken at his local doctor’s office, and the diagnosis was atrial fibrillation. Which of the following statements are likely conditions in someone with atrial fibrillation?

TLS Online TPP Program

#Question id: 11020

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

Circus movements in the ventricle can lead to ventricular fibrillation. Which of the following conditions in the ventricular muscle will increase the tendency for circus movements?

TLS Online TPP Program

#Question id: 11021

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

A 75-year-old man goes to the hospital emergency department and faints. Five minutes later he is alert. An EKG shows 75 P waves per minute and 35 QRS waves per minute with a normal QRS width. Which of the following is the likely diagnosis?

TLS Online TPP Program

#Question id: 11022

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

A 55-year-old man had the following EKG recorded at his doctor’s office during a routine physical examination.

What is his diagnosis?

TLS Online TPP Program

#Question id: 11024

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

A 55-year-old man has been diagnosed with Stokes-Adams syndrome. Two minutes after the syndrome starts to cause active blockade of the cardiac impulse, which of the following is the pacemaker of the heart?