Lab 2, exercise 2
Which of the following blood samples did NOT have a normal ratio of PCV to Hb? -the female with iron-deficiency anemia and the healthy female -the female with iron-deficiency anemia -the male with polycythemia -the female with iron-deficiency anemia and the male with polycythemia -the healthy female
the female with iron-deficiency anemia
People with type O blood are considered "universal donors" for transfusions because __________.
their red blood cells lack A and B surface antigens
free question: A higher than normal number of red blood cells is termed:
Polycythemia
The oxygen-carrying capacity of the blood is evaluated using _______. -cholesterol measurements -hematocrit measurements and cholesterol measurements -hematocrit measurements and hemoglobin measurements -hematocrit measurements -hemoglobin measurements
hematocrit measurements and hemoglobin measurements
The least dense component of blood that is found at the top of the capillary tube when a blood sample is centrifuged is: -White blood cells -Plasma -Platelets -Red blood cells
plasma
Which of the samples are from patients that suffer from a condition in which insufficient oxygen is transported to the body's cells? -samples 3 and 4 -samples 5 and 6 -samples 1 and 3 -samples 1 and 2
samples 5 and 6
Which type of anemia is a genetic disorder resulting in abnormally shaped erythrocytes? -pernicious anemia -aplastic anemia -polycythemia -sickle cell anemia
sickle cell anemia
In an emergency situation when you have no time to wait for cross-matched blood you could give a patient type ________ until the cross-match is available.
O negative
Type AB blood has which of the following characteristics? -RBCs have both the A & B surface antigens and no ABO plasma antibodies. -RBCs have the A and the B surface antigens and the plasma has anti-A and anti-B antibodies. -RBCs have no surface antigens and both anti-A and anti-B antibodies in the plasma. -RBCs have the Rh positive antigens and the anti-D plasma antibodies. -RBCs have the A antigen and the plasma has the anti-B antibody.
RBCs have both the A & B surface antigens and no ABO plasma antibodies.
Drag the labels to differentiate between blood types.
Type A Type B Type AB Type O
the most common blood type is
Type O
The disease sickle cell anemia is an example of what can happen if
a gene for adult hemoglobin is abnormal.
The blood sample from which of the following had the highest hematocrit? -a healthy male living in Boston -a healthy female living in Denver -a healthy female living in Boston -a healthy male living in Denver
a healthy male living in Denver
Blood type A- would give which of the following results?
agglutination with anti-A antibodies
The clumping of red blood cells, when the specific antibody against the antigen on the cells is added, is called
agglutination.
Antigens of the surface of red blood cells are also called ________ and antibodies in the blood plasma are also called ________.
agglutinogens; agglutinins
A person with A+ blood has _______.
all of the above aka -anti-B antibodies -the A antigen on the surface of the red blood cells -Rh antigen on the surface of the red blood cells
Oxygen is attached to _______. -a calcium atom located on the globin portion of hemoglobin -an iron atom located on the heme portion of hemoglobin -a calcium atom located on the heme portion of hemoglobin -an iron atom located on the globin portion of hemoglobin
an iron atom located on the heme portion of hemoglobin
________ is a condition in which the oxygen-carrying capacity of the blood is reduced. -Leukopenia -Leukemia -Anemia -Polycythemia -Thrombocytopenia
anemia
Type A blood has ________ antibodies in the blood plasma.
anti-B
Which of the following is not one of the formed elements of blood? -RBCs -platelets -antibodies -basophils -lymphocytes
antibodies
Type A blood has what type of RBC surface antigen and what type of opposing antibodies? (Figure 19-6)
antigen A, anti-B antibodies
Which of the following terms can be used interchangeably?
antigen and agglutinogen
When bone marrow is not producing new red blood cells, the number of immature red blood cells is very low, but the mature circulating blood cells are a normal size and shape. The result is a low hematocrit and hemoglobin. What type of anemia may be suspected? -Aplastic anemia -Hemolytic anemia -Hemorrhagic anemia -Pernicious anemia
aplastic anemia
The hematocrit for the female with iron-deficiency anemia was _______. -above normal -normal -indicative of polycythemia -below normal -above normal and indicative of polycythemia
below normal
The function of hemoglobin is to -carry dissolved blood gases. -carry bicarbonate ion. -produce antibodies. -stimulate erythropoiesis. -aid in the process of blood clotting.
carry dissolved blood gases
With respect to ABO and Rh blood groups, there are __________ different blood types.
eight
Each hemoglobin molecule can carry ______________ oxygen molecule(s). -one -four -three -two
four
Jane has Type A blood; therefore, she
has antibodies to B agglutinogens.
Oxyhemoglobin _______. -has oxygen attached to the iron atom -has a dull, brick-red color -has oxygen attached to the polypeptide chain of hemoglobin -has a dull, brick-red color and has oxygen attached to the polypeptide chain of hemoglobin -has a dull, brick-red color and has oxygen attached to the iron atom
has oxygen attached to the iron atom
The percent fraction of formed elements relative to whole blood is the -hematocrit. -viscosity. -differential cell count. -packed volume. -specific gravity.
hematocrit
Mary is tested for the amount of hemoglobin in her blood. The test results indicate that her hemoglobin level is 16 g/dL of blood. This value indicates that
her hemoglobin level is normal.
A red blood cell that contains excessive amounts of hemoglobin would be called -hypochromic. -normochromic -.hyperchromic. -normocytic. -macrocytic.
hyperchromic
Which of the following does NOT result in an increase in hemoglobin levels? -hyperthyroidism -polycythemia -living at high altitudes -congestive heart failure
hyperthyroidism
If a person is dehydrated, how would you expect the hematocrit to change? -It would be lower than normal. -It would be the same as normal. -It would be higher than normal.
it would be higher than normal
A person with type O blood has _______.
neither A nor B agglutinogens
Red blood cells that have a normal size/volume would be considered:
normocytic
A person's blood type is determined by the
presence of specific glycoproteins on the cell membrane
Which blood sample contained the universal recipient?
sample 5
Which of the blood samples tested could donate to a person with type A+ blood?
samples 1 and 4
What is the pathology shown on the slide?
sickle cell anemia
Which of the following individuals had the highest hemoglobin level? -the healthy male -the male with polycythemia -the healthy female -the female Olympic athlete
the female olympic athlete
People with type AB blood are considered the "universal recipient" for transfusions because
their blood lacks A or B agglutinins.
What blood type does the cell indicated by the red arrow represent?
type o
Which of the following could be a reason for polycythemia? (Select all that apply) -Living at high altitudes where less oxygen is available -Hemorrhage or blood loss -Bone marrow cancer causing the overproduction of RBCs -A decrease in hemoglobin concentration
-Living at high altitudes where less oxygen is available -Bone marrow cancer causing the overproduction of RBCs
Release of which of the following hormones results in higher levels of erythrocytes? -estrogen -testosterone and erythropoietin -erythropoietin -testosterone -estrogen and erythropoietin
-testosterone and erythropoeitein
Plasma makes up approximately what percentage of whole blood? -65 percent -55 percent -45 percent -38 percent
55 percent
A person with type AB blood has _______.
A and B antigens and neither anti-A nor anti-B antibodies.
Drag the labels onto the diagram to identify the blood types that correspond to specific blood typing test results.
A+ B+ AB+ O-
A patient's blood sample is found to have a low hematocrit and hemoglobin. The mean corpuscular volume is low but the mean corpuscular hemoglobin is normal. What type of anemia might you suspect the patient has? -Hemolytic anemia -Aplastic anemia -Hemorrhagic anemia -Pernicious anemia
Hemolytic anemia
Which of the following blood values is abnormal? -Hemoglobin concentration of 15 g/dL. -MCV of 95 femtoliters. -Total red blood cell count of 5.2 x 106 cells/mm3 -Hematocrit value of 65%.
Hematocrit value of 65%.
Which of the following describes the blood sample for the female Olympic athlete? -Her hemoglobin level was above normal. -Her hematocrit was above normal. -Her hemoglobin level, her hematocrit and her PCV to Hb were above normal. -Her hemoglobin level and her hematocrit were above normal. -Her PCV to Hb was above normal.
Her hemoglobin level and her hematocrit were above normal.
After performing a hematocrit and total red blood cell count for a sample of blood, it is possible to calculate the: -Blood type of the sample -Hemoglobin -Mean corpuscular hemoglobin (MCH) -Mean corpuscular volume (MCV)
Mean corpuscular volume (MCV)
Recall that the normal range for the hematocrit for a female is 37 - 47%, and the normal range for the hemoglobin level for a female is 12 - 16 g/100 ml. Describe hemoglobin and hematocrit values for the female with iron-deficiency anemia. -The hemoglobin was normal, and the hematocrit was below normal. -The hemoglobin was below normal, and the hematocrit was normal. -They were both below normal. -They were both normal.
The hemoglobin was below normal, and the hematocrit was normal.
The blood sample(s) from which of the following displayed polycythemia? -a healthy male living in Boston -a healthy male living in Boston and a healthy male living in Denver -a healthy male living in Denver -a healthy female living in Denver -a healthy female living in Denver and a healthy male living in Denver
a healthy female living in Denver and a healthy male living in Denver
The antibodies that attack antigens on foreign RBCs are called __________.
aggluntinins
