Diagnostic and screening tests

Screening and Diagnostic Tests are used for:

• Communicable diseases

• Non-communicable diseases

• Both communicable and non-communicable diseases

Test A has sensitivity of 0.80 specificity of 0.20. Test B has sensitivity of 0.45 and specificity of 0.55. Which test if better to use?

• Test A

• Test B

• Both Test A and Test B

The purpose is to assess the fatality rate of a disease

• Intervention Time

• Lead Time

• Specificity

• Sensitivity

Rheumatic fever is caused by group A streptococcus resulting to infection of the heart valves, joint pain, and involuntary movements. Which of the following samples are needed to diagnose this disease?

• 
• 
• 
• 

Which of the following patients will have lower survival rate?

• Mara, 25 year old, who is diagnosed of TB 3 months ago and is under treatment

• Clara, an infant with Hep B vaccine and is born with a Hep B infected mother.

• Jose, 50 years old with signs and symptoms of HIV and is diagnosed of AIDS

• Sandara, 65 years old diagnosed of pharyngitis

This can help diagnose the following except:

• Amoebiasis

• Pinworm infestation

• Skin fungal infestation

• Louse infestation

• None of the choices

What illnesses can be screened by this test?

• Respiratory illnesses

• Cardiac illnesses

• Neurologic illnesses

• None of the choices

Has a critical part of the immune response by recognizing and binding to particular antigens, such as bacteria or viruses, and aiding in their destruction. Starts with letter I

What is/are the expected test if your patient has:

• Cervical swab

• Penile swab test

• Blood test (Fluorescent Treponemal Antibody Absorption Test.)

• All of the choices

Diagnostic tests can be in a form of surgery.

• TRUE

• FALSE