Which blood group among the following is a universal donor?
- AB+
- O-ve
- O+ve
- B+ve
O- red blood cells: universal RBC donors, AB+ :universal RBC recipients, AB-: universal plasma donors
Eugenics is the science of improving ____ species by breeding out disease and disabilities.
- Animals
- Humans
- plants
- sea
Eugenics is a movement that is aimed at improving the genetic composition of the human race.
Which of the following vitamins helps in blood clotting.
- Vitamin A
- Vitamin K
- Vitamin C
- Vitamin D
Vitamin K is group of compounds ie Vitamin K1 and vitamin K2. Vitamin K1 is obtained from leafy greens and some other vegetables. Vitamin K2 is a group of compounds largely obtained from meats, cheeses, and eggs, and synthesized by bacteria.
PVC stand for?
- poly vinyl chlorine
- poly vinyl chloride
- pepto vinyl chlorine
- pepto vinyl chloroform
PVC is thermoplastic material widely used in applications, such as pipes, medical devices, wire and cable insulation.
Loss of memory as a result of damage of the brain is called:
- Dementia
- Amnesia
- paralysis
- none of these
Dementia: deterioration in memory, thinking, behaviour etc, Amnesia: memory loss, Paralysis: loss of muscle function