Blood

Which of the following is not one of the primary functions of blood

• Transport

• Regulate

• Clot

• Protect

Answer explanation

Blood protects by clotting, but also by providing white blood cells to battle infection

Which of the following components of blood is not a formed element?

• Plasma

• RBCs

• WBCs

• Platelets

Which leukocyte, in a healthy individual, is present in the highest amount?

• Lymphocytes

• Neutrophils

• Monocytes

• Basophils

Which of the following blood cells can live the longest

• Erythrocyte

• Lymphocyte

• Macrophage

• Megakaryocyte

Which of the following cells originates from myeloid stem cells

• Megakaryocyte

• T Lymphocyte

• B Lymphocyte

• Natural Killer Cell

This hemopoietic growth factor increases the number of WBC precursors

• Erythropoietin

• Leukopoietin

• Cytokines

• Thrombopoietin

Most carbon dioxide resides in the _____

• Interstitial space

• Blood plasma

• Red blood cell

• Hemoglobin

Hemoglobin is involved in regulating blood flow and blood pressure via this molecule, which causes vasodilation

• Carbon Dioxide

• O2

• Nitrous Oxide

• Carbonic acid

Erythropoiesis begins in the

• Liver

• Spleen

• Red bone marrow

• Thymus

What change to the body signals the kidneys to secrete EPO, increasing erythrocyte production

• Hypercapnia

• Hypoxia

• Acidosis

• Alkalosis