Choose the best answer.

1			Macrophages that are found in the sinusoids of the liver are called ________________ .
			A)	Kupffer cells
			B)	Nissil Bodiesl
			C)	Schwann cells
			D)	Sinusoidal cells
2			The production of the formed elements of the blood is called _____________________________ .
			A)	hematocrit
			B)	hemopoiesis
			C)	homeostasis
			D)	polycythemia
3			What is the pigment that gives the red color to the erythrocytes?
			A)	urobiligen
			B)	hemociderin
			C)	hemoglobin
			D)	ferric oxide
4			The bone marrow is stimulated to make more erythrocytes by this hormone.
			A)	renin
			B)	heprin
			C)	inhibin
			D)	erythropoietin
5			This structure of hemoglobin contains four _____________ molecules upon which oxygen can bind.
			A)	iron
			B)	copper
			C)	calcium
			D)	zinc
6			The most common genetically determined blood group in the human population is the __________ group.
			A)	ABC
			B)	ABO
			C)	XYZ
			D)	Rh positive and negative
7			A patient's blood test shows the lymphocyte count is increased three times above the normal range. The cause of this is most likely a/n ________________.
			A)	infection
			B)	hemorrhage
			C)	increase in altitude for a time
			D)	increase in iron in the diet
8			The "B cells and T cells" are types of _______________.
			A)	platelets
			B)	erythrocytes
			C)	leukocytes
			D)	reticulocytes
9			The least abundant type of leukocyte found in the circulating blood is ______________.
			A)	neutrophils
			B)	lymphocytes
			C)	monocytes
			D)	basophils
10			Sickle-cell disease is caused by a _________________.
			A)	genetic disorder in the clotting proteins
			B)	genetic disorder in the hemoglobin molecule
			C)	common cold
			D)	bite from an infected mosquito
11			The cessation of bleeding is called ______________.
			A)	hemostasis
			B)	hemopoiesis
			C)	hemoglobin
			D)	hematocrit
12			Normal clotting has the activation of the protein _____________.
			A)	albumin
			B)	fibrin
			C)	plasmin
			D)	renin
13			The protein that dissolves a clot is called ________________________________ .
			A)	albumin
			B)	fibrin
			C)	plasmin
			D)	renin
14			An abnormal clot in an unbroken vessel that is immobile is called a/n ____________________________________ .
			A)	platelet plug
			B)	embolis
			C)	thrombocytopenia
			D)	thrombus
15			This abnormal travelling clot has blocked a patient's left pulmonary artery causing a life-threatening condition called _________________.
			A)	edema
			B)	thrombosis
			C)	embolism
			D)	platelet plus