100% CORRECT ANSWERS VERIFIED LATEST UPDATE
2024
When erythrocytes are destroyed, which of the following events occurs? -
✔✔Theglobin portion of the molecule is broken down into amino acids.
Type AB blood - ✔✔has both A and B antigens on the red cells
In the platelet release reaction, - ✔✔ADP and thromboxanes stimulate other
platelets to become activated.
The hematocrit is - ✔✔d. the percentage of RBCs in a given volume of blood.
What vitamin is necessary to produce many clotting factors in the liver? -
✔✔Vitamin K
A white blood cell engulfing a bacterium is an example of blood functioning in -
✔✔a. protection.
,The oxygenated form of hemoglobin is called - ✔✔oxyhemoglobin
The only formed elements that possess a nucleus when mature are the - ✔✔c.
leukocytes
Plasma - ✔✔. is the liquid matrix of the blood.
An increased amount of heparin in the blood might - ✔✔. prevent clotting
process.
On which chromosome is there a mutation that leads to sickle cell anemia? -
✔✔b. chromosome 11
Blood consists of a matrix of plasma and cells; blood is a subtype of tissue.
- ✔✔e. connective
,The ability of white blood cells to leave the circulation and enter tissues is called -
✔✔b. diapedesis.
The nervous system and certain chemicals can cause the constriction of a blood
vessel. This is known as - ✔✔b. vascular spasm
The cascade of events in the intrinsic pathway can be set into motion when
comes into contact with collagen. - ✔✔factor XII
If a blood buffer is absent, what function of the blood would be compromised? -
✔✔regulation of pH
What is tissue thromboplastin? - ✔✔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
increasein the clotting time of blood? - ✔✔megakaryoblast
Macrophages are derived from - ✔✔monocytes
Which of the following events is one of the three main stages of coagulation? -
✔✔conversion of fibrinogen to fibrin
The "pacemaker" of the heart is the - ✔✔SA node
Where is blood moving during the period of ejection? - ✔✔Ventricles to great
vessels
The adult heart averages grams. - ✔✔250-300
The epicardium - ✔✔covers the surface of the heart.