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STRAIGHTERLINE A&P 2 Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).
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STRAIGHTERLINE A&P 2 Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).
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STRAIGHTERLINE A&P 2When defective erythrocytes are broken down, - ANS bilirubin is formed from the breakdown of
hemoglobin.
The most numerous of the leukocytes is the - ANS neutrophil.
Which of the following cell types is incorrectly matched with its description? - ANS lymphocytes
- become macrophages
Agglutination of red blood cells means - ANS they clump together.
When the antigens on erythrocytes bind with antibodies in the plasma, - ANS agglutination of
erythrocytes occurs.
For a person whose hematocrit is 45%, in which choice below are the components of blood
correctly ranked in order of decreasing percent volume? - ANS plasma, RBCs, WBCs
In adults, red blood cells are made in one place, spend most of their lifespan in another, and
most are finally destroyed in yet another place. Which choice lists these locations in the correct
chronological order? - ANS bone marrow; blood vessels; spleen
Erythropoiesis does not require - ANS vitamin K.
The condition characterized by overproduction of erythrocytes is called - ANS erythrocytosis
If your son is diagnosed with hemophilia, he would have - ANS a disorder of the clotting
process.
Which of the following functions is associated with the blood? - ANS delivery of oxygen to
tissue cells
Erythropoietin - ANS is a product of the kidney.
Platelets - ANS All of these choices are correct.
Each hemoglobin molecule - ANS transports four oxygen molecules.
The nervous system and certain chemicals can cause the constriction of a blood vessel. This is
known as - ANS vascular spasm.
,Plasma is ____ while formed elements are ____. - ANS the liquid portion of blood; the cells
Which of the following phrases is least likely to be used in describing erythrocytes? - ANS
nucleus is centrally located
Hemoglobin - ANS transports oxygen in the blood
Healing after clot formation involves - ANS All of these choices are correct.
What vitamin is necessary to produce many clotting factors in the liver? - ANS vitamin K
The smallest leukocytes are the _____ and the largest are the ______. - ANS lymphocytes;
monocytes
Which of the following is NOT a form of hemoglobin found in the developing human? - ANS
adolescent
Agglutinins are: - ANS antibodies directed against blood cell antigenic markers.
Which of the following is mismatched? - ANS pernicious anemia - loss of blood from the body
When a blood vessel is damaged, which of the following events occurs last? - ANS Platelets
begin to stick to each other and form a plug.
What type of gene expression occurs when a person has type AB blood? - ANS codominance
The oxygenated form of hemoglobin is called - ANS oxyhemoglobin
The only formed elements that possess a nucleus when mature are the - ANS leukocytes
Neutrophils of the blood are derived from a population of stem cells called - ANS myeloblasts
The plasma component that forms fibrin, the insoluble protein, in a blood clot is - ANS
fibrinogen
Which of the following is an agranulocyte? - ANS monocyte
What may be affected if the enzyme carbonic anhydrase was not made in the body? - ANS
conversion of carbon dioxide to bicarbonate ion
What ion is necessary for the coagulation process? - ANS calcium
Mike has blood type A. He needs blood, however blood type A is not available. The next best
choice would be blood type _______. - ANS O
, Choose the arrangement that lists the chemicals in the order in which they would be used for
coagulation.
(1) thrombin
(2) fibrinogen
(3) prothrombinase
(4) activated factor XII - ANS 4, 3, 1, 2
Red blood cells have antigenic markers on their surfaces called: - ANS agglutinogens
Lymphocytes - ANS migrate to lymphatic tissue.
A person with an increased eosinophil count might be suffering from - ANS a parasitic worm
infection.
Which of the following is NOT a method of carbon dioxide transport in the blood - ANS Held in
the depression of a red blood cell
The adult heart averages ___________ grams. - ANS 250-300
The function of the pericardial fluid is to - ANS reduce friction between the pericardial
membranes.
Regurgitation of blood flow through the aortic semilunar valve would give rise to - ANS a heart
murmur.
Which of the following would result from a reduced function of the sodium channels in the SA
node? - ANS depolarization would be delayed and the heart rate would decrease
The long refractory period observed in cardiac muscle - ANS prevents tetanic contractions of
the cardiac muscle.
If the SA node is nonfunctional, which of the following is most likely to occur? - ANS Another
portion of the heart will become the pacemaker.
Which of the following areas of the conduction system would produce spontaneous action
potentials most frequently if the SA node were not functioning? - ANS AV node
What event(s) occur during the QRS complex of an ECG? - ANS depolarization of the
ventricles and repolarization of the atria
Where is blood moving during the period of ejection? - ANS Ventricles to great vessels
Blood in the pulmonary veins returns to the - ANS left atrium.
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