ANATOMY

GENERAL ANATOMY

CARDIOVASCULAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statements is false?
A
Plasma is a yellowy liquid containing water
B
Deoxygenated blood returns to the lungs via the pulmonary artery
C
55% of the blood volume is made up of blood cells
D
White blood cells are generally bigger than red blood cells
Explanation: 

Detailed explanation-1: -Plasma constitutes 55% of total blood volume. Composed of 90% water, salts, lipids and hormones, it is especially rich in proteins (including its main protein albumin), immunoglobulins, clotting factors and fibrinogen.

Detailed explanation-2: -The light yellow colored liquid on the top is the plasma, which accounts for about 55 percent of the blood volume and red blood cells is called the hematocrit, or packed cell volume (PCV). The white blood cells and platelets form a thin white layer, called the “buffy coat", between plasma and red blood cells.

Detailed explanation-3: -Plasma is 90 percent water and makes up more than half of total blood volume. Other 10 percent is protein molecules, including enzymes, clotting agents, immune system components, plus other body essentials such as vitamins and hormones.

Detailed explanation-4: -Plasma, also known as blood plasma, appears light-yellowish or straw-colored. It serves as the liquid base for whole blood. Whole blood minus erythrocytes (RBCs), leukocytes (WBCs), and thrombocytes (platelets) make up the plasma.

There is 1 question to complete.