WBCs
Trending Questions
Q.
Q. Which of the following describes homeostasis?
- An animal maintaining a home range.
- A population maintaining a constant population size.
- Females remaining in their parents territory.
- Plants ceasing to grow at a maximum height.
- Maintaining internal environment in a steady state
Q.
Which of the following is an action of WBC on germs?
Secretion of enzyme that acts on germs.
Bacteria die just by coming in contact with WBC.
Blocking the way of germs into the blood capillaries.
Ingesting the germs.
Q.
Pus in the wound contains
Destroyed germs
Killed WBC
Salts
Damaged tissue cells
Q.
Which of the following blood components do not work as defense subunits?
Neutrophils
Lymphocytes
Monocytes
Erythrocytes
Q. Gelatinous marrow is
- Red bone marrow in epiphysis of long bones
- Yellow bone marrow in shaft of long bones
- Red bone marrow in the vertebrae, sternum and ribs at the age of 20-25 years
- Red bone marrow in cranial bones that undergo degeneration in the old age
Q.
Which type of blood cells fight infections?
Red blood cells
White blood cells
Platelets
Plasma