answers correctly solved 2025
Which of the following is the measure of the percentage of formed elements in
the blood?
hematocrit
anemia
hemoglobin concentration
platelets - correct answer hematocrit
Which of the following cells do NOT contain a nucleus?
red blood cells
eosinophils
monocytes
neutrophils - correct answer red blood cells
What gas is bound by the heme pigment?
nitrogen
oxygen
carbon dioxide
helium - correct answer oxygen
Which component of blood is involved in clotting?
,red blood cells
platelets
granulocytes
agranulocytes - correct answer platelets
Which of the following leukocytes is pale-staining and destroys pathogens by
engulfing them via the process of phagocytosis?
neutrophils
eosinophils
lymphocytes
basophils - correct answer neutrophils
Which of the following leukocytes is most likely to be found destroying viruses
by phagocytosis?
basophils
eosinophils
lymphocytes
monocytes - correct answer monocytes
A fellow student has just returned from a trip to the jungle and is feeling ill. He
is diagnosed with Chagas disease, which is caused by a parasite. Which
leukocyte is most likely to be elevated when performing a differential white
blood cell count?
eosinophil
, neutrophil
lymphocytes
basophil - correct answer eosinphil
Oxygen is attached to _______.
an iron atom located on the heme portion of hemoglobin
a calcium atom located on the globin portion of hemoglobin
a calcium atom located on the heme portion of hemoglobin
an iron atom located on the globin portion of hemoglobin - correct answer an
iron atom located on the heme portion of hemoglobin
The oxygen-carrying capacity of the blood is evaluated using _______.
cholesterol measurements
hematocrit measurements
hematocrit measurements and hemoglobin measurements
hemoglobin measurements
hematocrit measurements and cholesterol measurements - correct answer
hematocrit measurements and hemoglobin measurements
Release of which of the following hormones results in higher levels of
erythrocytes?
testosterone and erythropoietin
estrogen
estrogen and erythropoietin