TLS Online TPP Program

#Question id: 12009


Charles Darwin discussed all of the following EXCEPT:

#Unit 10. Ecological Principles
  1. Natural selection tends to remove those organisms that are poorly adapted to their environments.
  2. Individuals in a population compete with one another for limited resources.
  3. Gene mutations are the source of variation for evolution.
  4. Organisms tend to produce more offspring than can survive in each generation.
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TLS Online TPP Program

#Question id: 10941

#Unit 7. System Physiology – Animal

In a normal healthy person, which of the following blood components has the shortest life span?

TLS Online TPP Program

#Question id: 10942

#Unit 7. System Physiology – Animal

A 45-year-old man presents to the emergency room with a 2-week history of diarrhea that has gotten progressively worse over the last several days. He has minimal urine output and is admitted to the hospital for dehydration. His stool specimen is positive for parasitic eggs. Which type of WBCs would have an elevated number?

TLS Online TPP Program

#Question id: 10943

#Unit 7. System Physiology – Animal

An 8-year-old male is frequently coming to the clinic for persistent skin infections that do not heal within a normal time frame. He had a normal recovery from the measles. Checking his antibodies following immunizations yielded normal antibody responses. A defect in which of the following cells would most like be the cause of the continual infections?

TLS Online TPP Program

#Question id: 10944

#Unit 7. System Physiology – Animal

Where does the transmigration of WBCs occur in response to infectious agents?

TLS Online TPP Program

#Question id: 10945

#Unit 7. System Physiology – Animal

A 65-year-old alcoholic developed chest pain and cough with an expectoration of sputum. A blood sample revealed that his white blood cell count was 42,000/μl. What is the origin of these WBCs?

TLS Online TPP Program

#Question id: 10946

#Unit 7. System Physiology – Animal

A 26-year-old man received a paper cut. What substance is the major cause of pain of this acute inflammatory response?