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WorksheetsAP lab exam 10.2025
Total questions: 55
Worksheet time: 34mins
Select the answer with the WBCs ranked from most numerous to least numerous.
Neutrophils; Lymphocytes; Monocytes; Eosinophils; Basophils
Basophils; Eosinophils; Monocytes; Lymphocytes; Neutrophils
Monocytes; Basophils; Eosinophils; Lymphocytes; Neutrophils
Neutrophils; Lymphocytes; Eosinophils; Basophils; Monocytes
The average life span of an erythrocyte is approximately (a) months. (spell it out, no numbers)
Immune defenses can be classified by the order in which they act. Which of the following is a first line of defense?
Epithelia of skin
Mucous Membranes
T cells
B cells
Complement proteins
When handling human blood, you know that you should not do the following:
reuse lancets as this is environmentally friendly and cost-efficient
use lancets only after disinfecting the finger tip with an alcohol swab
dispose of all material containing or having contact with blood in biohazard waste bins
all of these options are correct
Which innate immune cell specializes in phagocytosis of pathogens and cellular debris? Select all that apply.
Natural Killer Cells
Neutrophils
Dendritic Cells
Macrophages
When handling human blood, you know that you should not do the following:
clean everything under running water in the sink when sampling human blood
use lancets only after disinfecting the finger tip with an alcohol swab
dispose of all material containing or having contact with blood in biohazard waste bins
all of these options are correct
Defenses that don't require previous exposure are characteristics of __________.
acquired immunity
innate immunity
adaptive immunity
passive immunity
When handling human blood, you know that you should always:
wear gloves when handling contaminated, or potentially contaminated, substances
use lancets only after disinfecting the finger tip with an alcohol swab
dispose of all material containing or having contact with blood in biohazard waste bins
all of these options are correct
Both B and T lymphocytes originate in the _____.
thymus
spleen
lymph nodes
red bone marrow
yellow bone marrow
A person with blood type (a) blood has B antigen markers on the surface of their red blood cells, anti-A antibodies in their plasma and can receive blood from blood type B and O only. (enter letter(s) only, not case sensitive, no Rh factor symbol)
Basophil granulocytes ________.
Contain orange or red cytoplasmic granules
Contain lavender cytoplasmic granules
Contain blue or purple cytoplasmic granules
You ran around outside, barefooted, and now you are infested with itchy pinworms. Which innate immune cell is seeking to destroy these parasites?
Natural Killer Cells
Neutrophils
Eosinophils
Macrophages
Neutrophil granulocytes ________.
Contain orange or red cytoplasmic granules
Contain lavender cytoplasmic granules
Contain blue or purple cytoplasmic granules
You go to the doctor because you are feeling crummy. You are diagnosed with lymphocytosis. Because of your medical terminology knowledge, you know what this term means and know that it indicates you most likely have/are having an
immunodeficiency
allergic reaction
inflammatory processes
infection
A person with blood type ___ has no antigen markers on the surface of their red blood cells.
A
B
AB
O
The percentages of different types of white blood cells as a fraction of white blood cells is represented in the lab test known as a
Complete blood count
Differential
Hematocrit
Hemoglobin
Eosinophil granulocytes ________.
Contain orange or red cytoplasmic granules
Contain lavender cytoplasmic granules
Contain blue or purple cytoplasmic granules
Hemolysis is the destruction of (a) blood cells.
Select the answer with the WBCs ranked from least numerous to most numerous.
Neutrophils; Lymphocytes; Monocytes; Eosinophils; Basophils
Basophils; Eosinophils; Monocytes; Lymphocytes; Neutrophils
Monocytes; Basophils; Eosinophils; Lymphocytes; Neutrophils
Neutrophils; Lymphocytes; Eosinophils; Basophils; Monocytes
Antibodies related to the ABO blood group are located within the (a) .
The % of blood volume composed of RBCs is measured using a
Hemoglobin
Iron Panel
Hematocrit
Complete Blood Count
Alan has an accident and needs a fast blood transfusion. Alan's blood type is "A". The hospital ran out of type A blood, but they have AB type, B type, and O type blood. Of these choices, Alan need to receive type (a) blood. (enter letter(s) only, not case sensitive)
Neutrophils are the WBCs found in the greatest percentage in a normal differential count.
True
False
Which of the following are classified as a component of plasma? (select all that apply)
Glucose
Chloride
Platelets
Fibrinogen
Hormones
Immune memory is characterized as __________.
Adaptive immunity
Passive immunity
Innate immunity
All of these options are correct
Which of the following are classified as a formed element? (select all that apply)
Red Blood Cells
Erythrocytes
Glucose
White Blood Cells
Platelets
After drinking two large energy drinks containing caffeine and other stimulants, Aiden begins feeling his heart race. Caffeine acts as a positive chronotropic agent.
Which of the following physiological changes are most likely to occur?
Increased heart rate
Increased cardiac output
Increased blood pressure
All of these options are correct
Neutralization describes the coating of a pathogen or antigen with antibodies
True
False
Which statement best describes the effect of positive chronotropic agents such as caffeine?
They decrease heart rate and cardiac output.
They increase heart rate, which increases cardiac output.
They increase stroke volume, but not heart rate.
They have no effect on cardiac output.
None of these options are correct
Which of the following statements is true?
If you separated a blood sample in a centrifuge, the bottommost layer would be erythrocytes, the middle layer would be white blood cells, and the topmost layer would be plasma.
The buffy coat is made up of red blood cells and is found within the bottommost layer of a blood sample.
If you separated a blood sample the superior (top layer) would be buffy coat, the middle layer would be plasma (white blood cells), and the inferior (bottom layer) would be erythrocytes (red blood cells).
A person with blood type A+ has A antigen markers on the surface of their red blood cells, anti-B antibodies in their plasma, and can receive blood from blood type A+ and O+ only.
(Enter letter(s) and symbol only, not case sensitive. Do not enter a space between the letter(s) and symbol.)
(a)
Which of the following are classified as a formed element? (select all that apply)
Antibodies
Red Blood Cells
Albumin
Chloride
Neutrophils
The normal range for hemoglobin in human would be ______, depending on gender.
12–17.5g/dL
20-100g/dL
5-100g/dL
10-20.5g/dL
Which of the following are classified as a formed element? (select all that apply)
Antibodies
Platelets
Leukocytes
Chloride
Monocytes
Normal hematocrit values range between _______ of a person’s total blood volume depending on gender.
30 and 50%
57 and 90%
37 and 52%
20 and 42%
___________ involves the phagocytosis of a neutralized pathogen by a phagocytic cell.
Neutralization
Opsonization
Agglutination
Aggregation
Phagolysis
Which of the following are classified as a component of plasma? (select all that apply)
Red Blood Cells
Erythrocytes
Antibodies
Gamma Globulins
Hormones
_____________ describes the binding together of cells by antibodies.
Clumping
Binding
Aggregation
Agglutination
If you have blood type O, your plasma has anti-A and anti-B antibodies.
True
False
Which of the following transfusion reactions could be fatal?
Type A blood recipient and type A blood donor
Type B blood recipient and type O blood donor
Type AB blood recipient and type O donor
None of these options are correct
If you separated a blood sample the superior (top layer) would be plasma, the middle layer would be buffy coat (white blood cells), and the inferior (bottom layer) would be erythrocytes (red blood cells).
True
False
Which of the following transfusion reactions could be fatal?
Type A blood recipient and type B blood donor
Type B blood recipient and type O blood donor
Type AB blood recipient and type O donor
None of these options are correct
The volume of blood pumped by a ventricle in one minute is known as the ________.
blood pressure
cardiovascular cycle
cardiac output
mean arterial pressure
Antibodies are found in the blood plasma (water, chemicals, and organic molecules like glucose, hormones, and antibody proteins).
True
False
Which of the following transfusion reactions could be fatal?
Type O blood recipient and type AB blood donor
Type B blood recipient and type A blood donor
Type A blood recipient and type B donor
All of these options are correct
Erythrocytes are an example of the ______________ in a sample of blood separated in a centrifuge.
plasma
buffy coat
formed elements
white blood cells
Which of the following transfusion reactions could be fatal?
Type O blood recipient and type AB blood donor
Type B blood recipient and type O blood donor
Type AB blood recipient and type A donor
All of these options are correct
If you have blood type O, you can receive A, B, AB, and O blood.
True
False
If you have blood type O, you can donate blood to other people with A, B, AB, and O blood types.
True
False
Precipitation is the binding together, cross-linking, of soluble ________.
antibodies
antigens
RBCs
WBCs
You are excited about donating blood for the blood drive. You get your hemoglobin checked and they tell you that it is 10g/100mL. You know that means you cannot donate because you are (a) .
Which of the following are classified as a component of plasma? (select all that apply)
Leukocytes
Erythrocytes
Albumin
Gamma Globulins
Glucose
Jordan needs an emergency blood transfusion. Jordan’s blood type is B+. The hospital has A–, AB–, O–, and B+ blood available. Of these options, Jordan can safely receive type (a) blood. (Enter letter(s) and symbol only, not case sensitive. Do not include a space between the letter(s) and symbol)
Hemolysis is the breakdown of white blood cells.
True
False
Both types of lymphocytes originate in the red bone marrow, but only (a) -lymphocytes complete their maturation there as well.
