a&p 2 unit 1 Flashcards
The second step in hemostasis is
a. platelet plug formation.
b. vascular spasm.
c. coagulation
a. platelet plug formation
A person who has type B blood could donate blood to a
a. type A person.
b. type AB person.
c. type O person.
d. none of the above
b. type AB person
T(A) or F(B) When type A blood mixes with anti-A antibodies it agglutinates.
a. true
T(A) or F(B) The left ventricle wall is thicker than the right ventricle wall.
a. true
Which of the following is NOT considered a formed element of blood?
a. WBCs
b. RBCs
c. plasma
d. Platelets
c. plasma
T(A) or F(B) WBCs lack a mitochondria in order to aid in them transporting oxygen.
b. false
Part of the RBC that binds to oxygen.
a. globin
b. helix
c. iron
d. amino acids
c. iron
T(A) or F(B) All blood cells originate from a hemocytoblast cell.
a. true
The release of too much EPO could result in
a. an increase in blood viscosity.
b. a drop in RBC production.
c. a drop in platelet production.
d. an increase in basophil production.
a. an increase in blood viscosity
Which of the following could result in a HIGHER than normal WBC count?
a. leukopenia
b. leukemia
c. hemorrhagic anemia
d. iron -deficiency anemia
b. leukemia
Plasmin is needed for
a. platelet contraction.
b. to break fibrin down to dissolve a clot.
c. WBC production.
d. blood clot formation.
b. to break fibrin down to dissolve a clot
Which of the following is/are (a) factor(s) that limit the growth or formation
of a blood clot?
a. inhibition of activated clotting factors (anticoagulants)
b. prevention of platelet adhesion
c. quick removal of clotting factors
d. all of the above contribute to limiting the growth or formation of a blood clot
d. all of the above contribute to limiting the growth or formation of a blood clot
Which of the following occurs during phase 1 of coagulation?
a. prothrombin is converted to active thrombin
b. fibrinogen is converted to fibrin
c. thrombin with calcium cause fibrin to cross-link
d. prothrombin activator forms
d. prothrombin activator forms
A person who is a universal donor has what type of blood?
a. O blood
b. AB blood
c. A blood
d. B blood
a. O blood
An A antigen found on a type A blood cell is
a. a foreign antigen.
b. a self antigen.
c. a foreign antibody.
d. a self antibody.
b. a self antigen.
Most of the cardiac tissue is found in the
a. myocardium layer.
b. endocardium layer.
c. epicardium layer.
d. none of the above
a. myocardium layer.
Which of the following does NOT dump low oxygenated blood into
the right atrium?
a. coronary sinus
b. superior vena cava
c. pulmonary vein
d. inferior vena cava
c. pulmonary vein
Protects, anchors, and prevents overfilling(stretching) of the heart.
a. parietal layer of the serous pericardium
b. fibrous pericardium
c. visceral layer of the serous pericardium
d. Myocardium
b. fibrous pericardium
45% of a given blood sample is composed of ______.
a. WBCs.
b. RBCs.
c. plasma
d. Platelets
b. RBCs.
The biconcave shape of an erythrocyte
a. increases the surface area of the cell.
b. decreases the surface area of the cell.
c. increases the amount of hemoglobin the cell can carry.
d. explains why the cell lacks a mitochondria.
a. increases the surface area of the cell.
The ability to properly form a blood clot is an example of what type of
function?
a. distribution
b. protection
c. regulation
d. none of the above
b. protection
The smallest portion of blood is
a. the plasma.
b. the WBCs.
c. the RBCs.
d. the platelets.
b. the WBCs.
Which of the following is/are functions of the blood?
a. aid in preventing blood loss
b. carry metabolic waste to kidneys and lungs
c. help maintain normal pH using buffers
d. all of the above
d. all of the above
After RBCs release oxygen at the tissue level
a. the blood becomes ruby red in color.
b. the blood takes on a yellowish color.
c. the blood becomes dark red in color.
d. the blood becomes clear.
c. the blood becomes dark red in color.
Which of the following is NOT a type of granulocyte?
a. basophil
b. neutrophil
c. lymphocyte
d. Eosinophils
c. lymphocyte
Typically a 1 μl drop of normal blood would have approximately
a. 4-5 million platelets.
b. 5,000-10,000 platelets.
c. 150,000-400,000 platelets.
d. wouldn’t have any platelets in it
c. 150,000-400,000 platelets.
T(A) or F(B) The terms platelet and thrombocyte mean the same thing.
a. true
Which of the following is needed to convert fibrinogen to fibrin?
a. prothrombin activator
b. prothrombin
c. thrombin
d. Calcium
c. thrombin
If you are type O- what type of blood could you receive in a transfusion?
a. A-
b. O+
c. B+
d. O-
d. O-
Blood leaving the left atrium travels through which valve to enter the left
ventricle?
a. pulmonary semilunar
b. tricuspid
c. mitral
d. aortic semilunar
c. mitral
