18.1 Introduction

1			The most abundant plasma protein is ________________.
			A)	globulin
			B)	antibody
			C)	fibrinogen
			D)	albumin
			E)	erythropoietin
2			Which of the following statements about blood is false?
			A)	Most adults have 4 to 6 liters of blood.
			B)	An excess of plasma protein causes the blood to flow too sluggishly.
			C)	As the protein content of the blood plasma drops, so does its osmolarity.
			D)	The fluid remaining after blood clots is the same as blood plasma.
3			Which of the following organs produces all the plasma proteins except the gamma globulins, which come from plasma cells?
			A)	small intestine
			B)	kidney
			C)	liver
			D)	spleen
4			Which of the following statements is true about a male with a normal amount of red blood cells?
			A)	His hematocrit reading is 43%.
			B)	His hemoglobin concentration is 10g/dL.
			C)	His red blood cell count is 3.6 million/microliter.
			D)	His blood is 69% plasma.

18.2 Erythrocytes

5			Which cell stage in the formation of erythrocytes has lost its nucleus and yet retains a fine network of endoplasmic reticulum?
			A)	reticulocyte
			B)	erythroblast
			C)	proerythroblast
			D)	normoblast
6			Ferrous iron travels in the plasma bound to the protein ____________.
			A)	gastroferritin
			B)	transferrin
			C)	apoferritin
			D)	ferrin
7			Each hemoglobin molecule can carry up to how many oxygen molecules bound to its heme group?
			A)	1
			B)	2
			C)	4
			D)	6
8			Anemia can be caused by all of the following except
			A)	nutritional deficiency of vitamin B12 or iron.
			B)	failure of gastric production of intrinsic factor.
			C)	kidney failure.
			D)	hypoxemia from smoking or air pollution.
9			Hemolysis yields heme. After removal of iron, the remainder of the heme is first converted to ________________.
			A)	bilirubin
			B)	hemoglobin
			C)	biliverdin
			D)	urobilinogen
			E)	bile

18.3 Blood Types

10			Antibody B is present in the blood plasma of individuals with which blood types?
			A)	types A and O
			B)	type B
			C)	types B and A
			D)	types B and O
11			If an Rh negative mother has a second fetus with Rh positive blood, then
			A)	the mother should be transfused.
			B)	the mother will begin to make Rh positive blood cells.
			C)	anti-Rh antibodies may attack fetal cells.
			D)	the mother should avoid RhoGAM.
			E)	the mother needs phototherapy.
12			A person with type A blood has
			A)	anti-B agglutinin.
			B)	anti-A agglutinin.
			C)	anti-B and anti-A agglutinin.
			D)	A agglutinin.

18.4 Leukocytes

13			Which of the following is incorrectly matched?
			A)	lymphocytes:dark purple cytoplasmic granules
			B)	eosinophils:red cytoplasmic granules
			C)	neutrophils:nucleus divided into two or five lobes
			D)	monocytes:large blood cells with round or kidney-shaped nucleus
14			These cells secrete histamine and may not have any phagocytic capabilities.
			A)	eosinophils
			B)	basophils
			C)	neutrophils
			D)	lymphocytes
15			What percent of the WBCs are monocytes in a healthy individual?
			A)	25-33%
			B)	less than 1%
			C)	65%
			D)	3-8%
16			This white blood cell releases enzymes that weaken parasites.
			A)	neutrophils
			B)	basophils
			C)	eosinophils
			D)	monophils

18.5 Platelets and Hemostasis-The Control of Bleeding

17			Platelets do all of the following except
			A)	help form blood clots.
			B)	help a blood vessel repair itself.
			C)	secrete clotting factors.
			D)	carry oxygen to injured areas of tissue.
			E)	secrete vasoconstrictors which promote vascular spasms.
18			Which of the following is true?
			A)	A vascular spasm is a short-lived constriction of a leaking vessel.
			B)	Platelet plugs are formed when exposed collagen fibers in a broken blood vessel come in contact with platelets.
			C)	Coagulation is the formation of fibrin threads from plasma fibrinogen.
			D)	All of the above are true.
19			Which of the following is an example of a clot-dissolving drug used to dissolve clots in coronary arteries?
			A)	Coumadin
			B)	streptokinase
			C)	thrombocytopenia
			D)	antihemophilic factor
20			Most strokes and heart attacks are due to abnormal clotting of blood in an unbroken vessel. This process is called ________________.
			A)	embolus
			B)	thrombosis
			C)	cirrhosis
			D)	thrombus