TLS Online TPP Program

#Question id: 552


Which of the following is true of the binding energy derived from enzyme-substrate interactions?

#SCPH28 | Zoology
  1. It cannot provide enough energy to explain the large rate accelerations brought about by enzymes.

  2. It is sometimes used to hold two substrates in the optimal orientation for reaction.

  3. It is the result of covalent bonds formed between enzyme and substrate.

  4. Most of it is derived from covalent bonds between enzyme and substrate.

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TLS Online TPP Program

#Question id: 10962

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

A 24-year-old man came into the ER with a broken leg. A blood test was ordered and his WBC count was 22 × 10^3/μl. Five hours later, a second blood test resulted in values of 7 × 10^3/μl. What is the cause of the increased WBC count with the first test?

TLS Online TPP Program

#Question id: 10963

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

During an inflammatory response, which is the correct order for cellular events?

TLS Online TPP Program

#Question id: 10964

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

A patient visits his dentist, who notices a sore on the patient’s lip. The sore was unusual in that there was no pain or drainage from the sore. The patient was subsequently admitted to the hospital with a violent shaking chill. His lab values were Hct 30%, platelets 400,000/μl, WBC 4200/μl, 68% lymphocytes, and 20% neutrophils. What is the diagnosis of this patient?

TLS Online TPP Program

#Question id: 10965

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

Which of the following is a TRUE statement?

TLS Online TPP Program

#Question id: 10966

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

A couple requests blood typing of their 2-year-old child (father AB, Rh-negative; mother B, Rhnegative). Results of hemagglutination assays of the child’s blood are shown in the next figure. Which of the following conclusions concerning the child’s parentage is valid?


TLS Online TPP Program

#Question id: 10967

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

A 21-year-old female, blood type B, is undergoing surgery. Her platelet count is 75,000/μl. She will need platelet infusions before and during surgery. Which of the following blood types would be used to collect platelets that are compatible with the patient?