Immune System problems
- 1. Lysozyme is present in
Options- A. sweat
- B. Cerebro spinal fluid (CSF)
- C. urine
- D. saliva Discuss
Correct Answer: saliva
- 2. Chemically an antigen may be
Options- A. lipid
- B. protein
- C. polysaccharide
- D. any of these Discuss
Correct Answer: any of these
- 3. Which of the following statements is false regarding B cells?
Options- A. B cells can undergo class switching and produce a different antibody type
- B. B one marrow stem cells migrate to the thymus and develop into B cells
- C. B cells synthesize antibodies and put them on their cell surface
- D. B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow Discuss
Correct Answer: B one marrow stem cells migrate to the thymus and develop into B cells
- 4. Cytotoxic T-cells can be recognized by which of the following cell surface marker?
Options- A. CD4
- B. CD7
- C. CD8
- D. CD9 Discuss
Correct Answer: CD8
More in Microbiology:
Programming
Copyright ©CuriousTab. All rights reserved.