Chapter 7 DSM
What is the maximal number of oxygen molecules that one hemoglobin molecule can bind?
4
Please identify the blood type in the following figure.
A
A person is in a car accident and is bleeding. Their wallet has a blood donor card indicating their blood type is A-. What blood types can they receive?
A- and O-
Which of the following is not true about hemophilia?
It is caused by the Epstein-Barr virus.
Why does leukemia lead to bleeding disorders?
The cancerous cells take over bone marrow and prevent production of normal red blood cell components.
What must be true for a baby to suffer from hemolytic disease of the newborn?
The mother must be Rh-, the father must be Rh+, and the baby must be Rh+.
A complete blood cell count (CBC) is performed on a sample of blood. All numbers are fine except for an elevated basophil count. What could possibly be wrong with the patient?
The patient is experiencing inflammation.
Which of the following is not a characteristic of red blood cells (RBCs)?
able to leave the circulatory system in order to provide cells with oxygen
What is the functions of eosinophils?
attacks parasitic worms
A person went to the doctor complaining of chills and fever. The doctor observes red streaks on their arms. A puncture wound was nearby. The patient said they previously had an accident where they worked. What is wrong with this patient?
blood poisoning
Which nutrient is needed to promote clotting?
calcium
What is the function of perflurocarbons (PFCs)?
carries oxygen
Which organ secretes erythropoietin (EPO)?
kidneys
What is the stimulus for red blood production?
low concentration of oxygen
Please identify the white blood cell in the following image.
monocyte
Which of the following is a type of agranulocyte?
monocytes
Which of the following is not true about infectious mononucleosis?
not easily transmitted from one person to another
A person has type B- blood. What antibodies will be present in their blood stream that could bind to their red blood cells? The person was exposed to Rh positive blood 5 years ago.
only anti-A antibodies and anti-Rh antibodies
Blood is a mixture. Please identify the choice that is not a formed element.
plasma
Erythropoietin's (EPO) main function is to __________.
promote the formation of red blood cells
Please put the steps of blood clot formation in the correct order.
prothrombin activator, prothrombin forms thrombin, thrombin converts fibrinogen to fibrin, and fibrin forms a blood clot
Which of the following cells lack a nucleus?
red blood cells
Crescent-shaped red blood cells were observed in a blood smear. This patient is most likely afflicted with ____________.
sickle-cell anemia
Which is not a function of blood?
stores calcium
Pernicious anemia is caused by a lack of _________.
vitamin B12
