Topics: Disease and Immunity Quiz
The human body has a number of barriers to prevent infection by pathogens some of which are listed below.
1. Skin
2. Mucus
3. Antibodies
4. Stomach acid
5. Hair in the nose
Which are these are examples of mechanical barrier?
A. 1 and 4
B. 2 and 3
C. 3 and 5
D. 5 and 1
Select your answer:
Topics:
Oncology The Microbial World Toxicology Urinary System, Fluid, Electrolyte and ph Balance Genes and Cells DNA and RNA Structures Skin Diseases Histology HS History of Immunology Careers in Health Care Cancer & Cell Cycle Biopsychology - Neuroplasticity and Functional Recovery Thyroid Gland Properties of The Hair and Scalp Terms and Definitions - DiseasesOther quiz:
Stroke › ViewHow often a heart attack occurs in the world?
A. every 2 seconds
B. every 4 seconds
C. every 6 seconds
D. every 8 seconds
Circulatory / Respiratory › View
Which of the following bring blood into the right atrium
A. aorta
B. pulmonary artery
C. pulmonary veins
D. vena cava
E. brachiocephalic artery