TLS Online TPP Program

#Question id: 4658


Members of two different species possess a similar-looking structure that they use in a similar fashion to perform the same function. Which information would best help distinguish between an explanation based on homology versus one based on convergent evolution?

#Unit 11. Evolution and Behavior
  1. The two species live at great distance from each other.

  2. The two species share many proteins in common, and the nucleotide sequences that code for these proteins are almost identical.

  3. The sizes of the structures in adult members of both species are similar in size.

  4. Both species are well adapted to their particular environments.

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TLS Online TPP Program

#Question id: 10961

#Unit 7. System Physiology – Animal

Over the past 12 weeks, a 75-year-old man with a moderate aortic stenosis has developed shortness of breath and chest pains during exertion. He appears pale. Test of his stool for blood is positive. Laboratory studies show the following: hemoglobin 7.2 g/dL, and mean corpuscular volume 75. A blood smear shows microcytic, hypochromic erythrocytes. Which of the following is the most likely diagnosis?

TLS Online TPP Program

#Question id: 10962

#Unit 7. System Physiology – Animal

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

#Unit 7. System Physiology – Animal

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

TLS Online TPP Program

#Question id: 10964

#Unit 7. System Physiology – Animal

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

#Unit 7. System Physiology – Animal

Which of the following is a TRUE statement?

TLS Online TPP Program

#Question id: 10967

#Unit 7. System Physiology – Animal

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?