TLS Online TPP Program

#Question id: 2115


Which of the following statements about diffusion is true?

#Unit 2. Cellular Organization
  1. It is very rapid over long distances.

  2. It requires an expenditure of energy by the cell.

  3. It is an active process in which molecules move from a region of lower concentration to a region of higher concentration.

  4. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.

More Questions
TLS Online TPP Program

#Question id: 10939

#Unit 7. System Physiology – Animal

After a person is placed in an atmosphere with low oxygen, how long does it take before there are increased numbers of reticulocytes?

TLS Online TPP Program

#Question id: 10940

#Unit 7. System Physiology – Animal

Adhesion of white blood cells to the endothelium is

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?