TLS Online TPP Program

#Question id: 6974


Where are the stem cells that renew the epithelium of the gut found?

#Unit 5. Developmental Biology
  1. in the bone marrow
  2. in the inner cell mass
  3. in the villi, underlying the dead outer layer of keratinocytes
  4. near the bottom of the crypt
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TLS Online TPP Program

#Question id: 10959

#Unit 7. System Physiology – Animal

 Which of the following would best explain a prolonged bleeding time test?

TLS Online TPP Program

#Question id: 10960

#Unit 7. System Physiology – Animal

Why do some malnourished patients bleed excessively when injured?

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?