Ch 20 Cardiovascular System: Blood; HW Principles of Anatomy
Which statement regarding red blood cells is true?
The lack of a nucleus in an erythrocyte allows it to hold more hemoglobin for oxygen transportation; The biconcave shape allows for rapid diffusion of the gases oxygen and carbon dioxide; The flattened-disc appearance of the erythrocyte allows it to flex as it moves through a capillary bed.
Which statement regarding red blood cells is FALSE?
The shape of an erythrocyte allows it to bind leukocytes so that the white blood cells reach injured areas intact.
Which of the following is FALSE regarding neutrophils?
They are the least abundant lymphocyte.
Which of the following is true regarding neutrophils?
They often have short life spans as a result of consuming bacteria at an injury or infection site; They attack bacteria and serve as phagocytes to remove bacteria from an injury or infection site; They can have multi-lobed nuclei
Which of the following could NOT be classified as a formed element of the blood?
albumin
Which leukocyte releases histamine and heparin in response to an injury?
basophil
Which of the following problems would be associated with thrombocytopenia, a lack of platelets in the blood?
bleeding in the digestive tract; excessive clot formation at an injury site; excessive bleeding and bruising in the skin
The functions of blood include which of the following?
cooling body temperature during exercise by distributing blood to the vessels of the skin
If Robin makes a visit to an equatorial country and there contracts malaria, which white blood cell would be seen in very high numbers?
eosinophils
Which of the following cells ejects its nucleus during the process of its development?
erythrocyte
A man is in a car accident and loses two pints of blood. What are the most abundant formed elements of whole blood that he has lost?
erythrocytes
Which of the following problems would NOT be associated with thrombocytopenia, a lack of platelets in the blood?
excessive clot formation at an injury site
Which of the following could be classified as a formed element of the blood?
leukocyte; platelet; erythrocyte
