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WorksheetsBMS1021 Week 10 PASS
Total questions: 10
Worksheet time: 3mins
Which of the following correctly matches the type of vaccine with what is in it?
Attenuated - a modified component of the pathogen
Recombinant - one of the proteins produced by the pathogen
Heat killed - the dead pathogen
Toxin - a live but non-pathogenic strain
Which of the following is not an autoimmune disease?
Type 1 diabetes
Multiple sclerosis
Heart disease
Rheumatoid arthritis
Antibodies:
Recognise protein in the groove of MHC1
Release granzymes and perforin, inducing cell death
Migrate to the lymph node via the afferent lymphatic vessel
Can bind to toxins to prevent entry into cells
What is a characteristic of the innate immune system?
Generates memory
Involves lymphocytes
Cells originate in the thymus
Response develops quickly
B-Cell receptors
Contains 1 antigen binding site
Contains alpha and beta chains
Made of 4 protein chains
Can bind to 2 DIFFERENT antigens
Which feature is unique to prokaryotes?
membrane bound nucleus
divides via mitosis and meiosis
contains ribosomes
contain a singular, circular chromosome
Gram-Positive Bacteria:
appear purple in a gram stain
contain lipopolysaccharide
have a thin peptidoglycan layer
have an outer and inner membrane
Which is NOT a function of the bacteria cell wall?
Maintains the shape of the bacterium
Prevents cells from bursting or collapsing under osmotic pressure
Produces and secretes toxic substances
Can contribute to virulence
Hematopoietic stem cells (HSC) are found in the:
Skin
Mucous linings
Lymph nodes
Adult bone marrow
What is a disadvantage of the adaptive immune system?
Cannot generate memory
Slow response to new pathogens
Non-specific response
Strengthens over time
