Nod genes, which NodD activates, code for nodulation proteins, most of which are involved in the biosynthesis of Nod factors such as;

 a) Nod factors are lipochitin oligosaccharide signal molecules

 b) Nod factor shave a chitin β-1→ 4-linked N-acetyl-D-glucosamine backbone

 c) These N-acetyl-D-glucosamine backbone varying in length from three to six sugar units

 d) A fatty acid chain on the C-2 position of the nonreducing sugar determine the length and degree of saturation of the fatty acyl chain by NodL

 Which of the following is incorrect?

#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?

#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?

#Question id: 10944

#Unit 7. System Physiology – Animal

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

#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?

#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?

#Question id: 10947

#Unit 7. System Physiology – Animal

What occurs following activation of basophils?