Human Health and Disease - Online Test

Q1. Which of the following drug is very effective sedative and painkiller?
Answer : Option C
Explaination / Solution:

Morphine is a very effective sedative and painkiller, and is very useful in patients who have undergone surgery.

Q2. Use of anti-histamines and steroids give a quick relief from
Answer : Option B
Explaination / Solution:

Anti-histamines and steroids give a quick relief from allergy. Allergy may be due to allergen like pollen grains, dust or other microbes. Common symptom of allergy is inflammation on skin.

Q3. The incubation period of Hepatitis 'B' virus is
Answer : Option C
Explaination / Solution:

Incubation period is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation, and when symptoms and signs are first apparent. The incubation period of the hepatitis B virus is 75 days on average, but can vary from 30 to 180 days. The virus may be detected within 30 to 60 days after infection and can persist and develop into chronic hepatitis B.

Q4. Protein secreted by virus infected cells is called
Answer : Option B
Explaination / Solution:

Interferons (IFNs) are a group of signaling proteins made and released by host and infected cells in response to the presence of several pathogens, such as viruses, bacteria, parasites, and also tumor cells. which protect non- cancerous cells from infection.

Q5. Which of the following birth control measure can be considered as the safest?
Answer : Option D
Explaination / Solution:

A number of birth control measures are used to prevent unwanted pregnancy. Sterilization technique is considered as the safest way. Condom prevents unwanted pregnancy as well as sexually transmitted disease.

Q6. If you suspect deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
Answer : Option A
Explaination / Solution:

One group of gamma globulins is the immunoglobulins, which are also known as antibodies. The serum globulin electrophoresis test measures the levels of proteins called globulins in the fluid part of a blood sample. This fluid is called serum.

Q7. Assertion: Mast cells in the human body release excessive amounts of inflammatory chemicals, which cause allergic reactions.
Reason: Allergens in the environment on reaching human body stimulate mast cells in certain individuals.
Answer : Option C
Explaination / Solution:

The IgE-primed mast cell releases granules and powerful chemical mediators, such as histamine, cytokines, granulocyte macrophage colony-stimulating factor (GM-CSF), leukotrienes, heparin, and many proteases into the environment. These chemical mediators cause the characteristic symptoms of allergy.

Q8. Which of the following disease is caused by virus and transmitted by mosquito?
Answer : Option D
Explaination / Solution:

The Flavivirus causes yellow fever, and it's transmitted when an infected mosquito bites you. Mosquitoes become infected with the virus when they bite an infected human or monkey. The disease cannot be spread from one person to another.

Q9. Antigen binding site in an antibody is found between
Answer : Option C
Explaination / Solution:

The antigen-binding (Fab) fragment is a region on an antibody that binds to antigens. It is composed of one constant and one variable domain of each of the heavy and the light chain.

Q10. A metastatic cancerous tissue is termed ‘sarcoma’ if the disorder is in
Answer : Option A
Explaination / Solution:

A metastatic cancerous tissue is called sarcoma if the disorder is in fibroblast. The property of cancerous cells to reach from one part of the body to other through blood is called metastasis.