Microbio mod 6 assignment

Why is there little financial incentive for research and development of new antimicrobial agents?

medication is taken for short period of time - not a long term treatment for patient

Those at highest risk of severe COVID-19 include those (Select all that apply)

over 65 years old who are significantly obese with diabetes with cardiovascular disease

Vaccine testing on different age groups and cohorts with underlying medical conditions, like asthma, occurs during the ________ stage of development.

phase III clinical trial

_____________ is an example of a Type III hypersensitivity and an autoimmune disease.

rheumatoid arthritis

______________ vaccines contain pathogen fragments with high immunogenicity.

subunit

What is the correct order of 5 steps in the process of pathogenesis? v. microbes enter the host w. cause damage x. adhere to host tissues y. avoid destruction by host defenses z. exit host to continue chain of transmission

v, x, y, w, z

Damages connective tissue by degrading collagen, a key fiber

Collagenase

Patients with SCID may be successfully treated with __________.

a bone marrow transplant

Sheep's Blood Agar (SBA) is a differential medium that helps identify Gram-positive bacteria based on their ability to use blood cells as a food source. Match the bacterium with the type of hemolysis it demonstrates: Streptococcus pyogenes

beta-hemolysis

Ignaz Semmelweis became known as the "Savior of Women" because of his 1847 study of Childbed Fever. Dr. Semmelweis demonstrated via clinical observation and data collection that

effective hand washing could reduce the annual death rates from childbed fever from 12.1 to 1.3 %.

Which of the following is a mechanical vector?

house fly

A vaccination _________________. (Select all that apply)

is a simple method of altering an immune response, protects against pathogens for which there aren't effective treatments, allows a prompts protective secondary response to subsequent pathogen exposures

A free rider ___________________.

is unvaccinated but receives the benefit of infection protection because of herd immunity

A type I hypersensitivity response is mediated by ____________.

IgE

What immunoglobulins participate in Type II cytotoxic hypersensitivities?

IgM and IgG

When pathogens remain with their host and cannot be transmitted

Noncommunicable pathogens

Impetigo sticky eye

Staphylococcus aureus

___________ is an autoimmune disease that manifests with weakness, hyperpigmentation, loss of hair and depression as the adrenal cortex is attacked.

Addison's disease

_______ is an example of a secondary immunodeficiency disorder.

Acquired Immunodeficiency Syndrome