Ch.19 Questions

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Which blood type is considered the universal donor?

O, Rh-negative.

What is the term for an excess of red blood cells in a hematocrit count?

Polycythemia

Which of the following is not a function of red blood cells? Binding oxygen Binding carbon dioxide Making up 37-52% of total blood volume Synthesizing its own membrane proteins

Synthesizing its own membrane proteins

Which of the following is not a function of platelets? Coagulation Plugging broken blood vessels Stimulating vasoconstriction Transporting oxygen Recruiting neutrophils

Transporting oxygen

Allergies stimulate a rise in __________ count.

eosinophil

T/F: The most important WBCs in combating a bacterial infection are basophils.

false

T/F: Anemia is caused by a low oxygen concentration in the blood.

false *low hemoglobin

Which of these is a granulocyte? A monocyte A lymphocyte A macrophage An eosinophil An erythrocyte

An eosinophil

Which of the following statements is true regarding erythrocytes? Erythrocytes are spherical in shape. Erythrocytes contain mitochondria for aerobic respiration. Erythrocytes are multinucleated. Erythrocytes contain glycolipids that determine blood type.

Erythrocytes contain glycolipids that determine blood type.

__________ have a finely granular cytoplasm and a nucleus typically divided into three to five lobes.

neutrophils

The most abundant formed elements seen in most stained blood films are __________.

erythrocytes

T/F: Leukemia is a severe deficiency of white blood cells.

false *Leukemia causes an abnormally high level of white blood cells.

Your ABO blood group is determined by the _____________ present in the plasma membrane of your RBCs.

glycolipids

Most oxygen being transported in the blood is bound to __________.

heme groups in hemoglobin

An individual has type B blood. The individual has __________ antigens and can produce anti-__________ antibodies.

B; A

Which of the following is the least abundant of the formed elements? Platelets Basophils Erythrocytes Neutrophils Eosinophils

Basophils

Which of the following is not a function of blood? Blood transports a variety of nutrients. Blood helps to stabilize the pH of extracellular fluids. Blood participates in the initiation of blood clotting. Blood produces plasma hormones. Blood helps to regulate body temperature.

Blood produces plasma hormones. *The liver produces plasma proteins; the blood does not.

Which of the following is most likely to cause anemia? High altitude Air pollution other than by carbon monoxide Renal insufficiency Smoking Any factor that creates a state of hypoxemia

Renal insufficiency

Heparin and histamine are secreted by __________.

basophils *Basophils are associated with allergic responses. Histamine dilates blood vessels to get blood to an area quickly, and heparin is an anticoagulant.

T/F: Platelet count is often depressed in people with leukemia.

true *In leukemia, stem cells are diverted into the rapid production of white blood cells, instead of red blood cells and platelets.


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