Which of the following protein establishes the matrix bone and cartilage :
- Collagen
- Histone
- Keratin
- Elastin
Under activity of parathyroid glands causes a drop in blood of :
- Na+
- Ca+
- Mg+
- K+
Which hormone is chemically a sterol :
- Insulin
- ADH
- Thyroxin
- Cortisone
The junction between two neurons is :
- cleft
- Axon
- Synapse
- Impulse
Sarcoplasmic reticulum of muscles fiber is mainly responsible for :
- Strong and wastes
- Calcium storage
- Lipid metabolism
- Protein synthesis
Which feature is absent in cardiac muscles :
- Contractile sacromere
- Intercalated discs
- Light and dark bands
- Multiple nuclei
Cartilage is more difficult to heal than bone because cartilage :
- Lacks mineral deposits in matrix
- Lacks vascular supply
- Lacks protein in matrix
- Has less number of cells deep down
Pubic symphysis and inter vertebral disc are the example of:
- synovial joints
- cartilaginous joints
- fibrous joints
- gliding joints
The heart chamber from where aorta originates :
- Right atrium
- Left atrium
- Left ventricle
- Right ventricle
Vaccination is an example of:
- Acquired / Artificial active immunity
- Natural passive immunity
- Natural active immunity
- Acquired / Artificial passive immunity