A condition in which there is a decrease of oxygen to the tissue despite adequate blood flow to the tissue is_________?

Which of the following is a uni-nucleated cell?

A. A smooth muscle cell.
B. A cardiac muscle cell.
C. A skeletal muscle cell.
D. All of these

The common waste material in bacteria is____________?

A. Glycogen
B. Lactic acid
C. Ammonia
D. Urea

Open circulatory system can contain_________?

A. Red Blood Cells
B. White Blood Cells
C. Haemoglobin
D. All of these

Destruction of all life forms is called___________?

A. Sterilization
B. Disinfection
C. Antisepsis
D. Preservation

Spirochete is an example of___________?

A. Aerobic bacteria
B. Anaerobic bacteria
C. Facultative bacteria
D. Microaerophilic