(A&P II) BIO202 Final Exam 2026 (60
Questions)
Type AB blood -CORRECTANSWER has both A and B antigens on the red cells
In the platelet release reaction, -CORRECTANSWER ADP and thromboxanes stimulate
other platelets to become activated.
The hematocrit is -CORRECTANSWER d. the percentage of RBCs in a given volume of
blood.
What vitamin is necessary to produce many clotting factors in the liver? -
CORRECTANSWER Vitamin K
A white blood cell engulfing a bacterium is an example of blood functioning in -
CORRECTANSWER a. protection.
The oxygenated form of hemoglobin is called -CORRECTANSWER oxyhemoglobin
The only formed elements that possess a nucleus when mature are the -
CORRECTANSWER c. leukocytes
,Plasma -CORRECTANSWER . is the liquid matrix of the blood.
An increased amount of heparin in the blood might -CORRECTANSWER . prevent
clotting process.
On which chromosome is there a mutation that leads to sickle cell anemia? -
CORRECTANSWER b. chromosome 11
Blood consists of a matrix of plasma and cells; blood is a subtype of ______ tissue. -
CORRECTANSWER e. connective
The ability of white blood cells to leave the circulation and enter tissues is called -
CORRECTANSWER b. diapedesis.
The nervous system and certain chemicals can cause the constriction of a blood vessel.
This is known as -CORRECTANSWER b. vascular spasm
The cascade of events in the intrinsic pathway can be set into motion when _____
comes into contact with collagen. -CORRECTANSWER factor XII
If a blood buffer is absent, what function of the blood would be compromised? -
CORRECTANSWER regulation of pH
,What is tissue thromboplastin? -CORRECTANSWER A compound released by
damaged tissue that initiates the extrinsic clotting pathway
A deficiency of which of the following stem cells would result in a marked increase in the
clotting time of blood? -CORRECTANSWER megakaryoblast
Macrophages are derived from -CORRECTANSWER monocytes
Which of the following events is one of the three main stages of coagulation? -
CORRECTANSWER conversion of fibrinogen to fibrin
The "pacemaker" of the heart is the -CORRECTANSWER SA node
Where is blood moving during the period of ejection? -CORRECTANSWER Ventricles
to great vessels
The adult heart averages ___________ grams. -CORRECTANSWER 250-300
The epicardium -CORRECTANSWER covers the surface of the heart.
Energy for contraction of myocardial cells comes primarily from -CORRECTANSWER
aerobic respiration in the mitochondria
, What event(s) occur during the QRS complex of an ECG? -CORRECTANSWER
depolarization of the ventricles and repolarization of the atria
The relationship between preload and stroke volume is known as -CORRECTANSWER
Starling Law of the heart.
Cardiac muscle cells -CORRECTANSWER are maintained by an extensive capillary
network.
During the isovolumetric contraction period of the cardiac cycle, -CORRECTANSWER
AV and semilunar valves are closed.
Pressure in the right ventricle must exceed pressure in the ____ before the right
ventricle can eject blood. -CORRECTANSWER pulmonary trunk
In the cardiac cycle, -CORRECTANSWER all four chambers of the heart are in diastole
at the same time.
What cardiac arrhythmia will have no QRS complex as a symptom? -
CORRECTANSWER ventricular fibrillation