Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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fill in the blank question the organ that stores 25% to 40% of platelet…
spleen
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85 of 110 concepts completed multiple choice question as platelets aggr…
Platelets degranulate resulting in release of thromboxane A, ADP and serotonin.
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multiple choice question which is a giant precursor cell with a multilo…
A. Megakaryocyte
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multiple choice question what is vascular spasm? a short - lived mechan…
A. A short - lived mechanism in which the damaged vessel narrows to minimize blood loss
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fill in the blank question thrombopoiesis is the production of blank.
platelets (or thrombocytes)
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multiple select question select all that apply what are the three hemos…
Blood clotting, Platelet plug formation, Vascular spasm
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multiple choice question platelets secrete vasoconstrictors that stimul…
B. Constriction of broken blood vessels
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multiple choice question what are megakaryocytes? large antigen - antib…
C. Gigantic bone marrow cells that produce platelets
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multiple choice question what is thrombopoiesis? formation of a clot pr…
D. Production of platelets
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multiple select question select all that apply choose the terms that de…
A. Leukopenia, B. Leukocytosis
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multiple choice question which formed elements release vasoconstrictors…
Platelets (assuming the last option is Platelets; if the last option's text is "Platelets", then: D. Platelets (with the correct option identifier and text as per the question's o…
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multiple select question select all that apply choose all that are func…
A. Present antigens, B. Phagocytize dead cells, C. Destroy foreign antigens
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77 of 110 concepts completed multiple choice question which formed elem…
B. Platelet
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76 of 110 concepts completed multiple choice question monocyte count in…
B. Inflammation and viral infections
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multiple choice question which type of leukemia is typified by uncontro…
D. Myeloid
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multiple select question select all that apply choose all that are func…
B. Serve in immune memory, C. "Present" antigens to activate other cells of immune system, D. Destroy cancer cells, cells infected with viruses, and foreign cells, F. Coordinate a…
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multiple choice question what is the purpose of a differential wbc coun…
A. To determine the number and ratio of each type of leukocytes in a sample
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multiple choice question which agranulocytes include the smallest wbcs?…
D. Lymphocyte (Note: Assuming the options are labeled A to D with A: Neutrophil, B: Basophil, C: Eosinophil, D: Lymphocyte. If the original options' numbering is different, adjust…
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leukopenia leukocytosis leukemia polycythemia total wbc count above 10,…
- Leukopenia: Total WBC count below 5,000 WBCs/μL - Leukocytosis: Total WBC count above 10,000 WBCs/μL - Leukemia: Cancer of hemopoietic tissues resulting in high numbers of leuko…
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matching question match the blood cell disorder with its description. i…
- Leukopenia: Matches the description of "Decrease in white blood cell count" (or equivalent description about low leukocytes). - Leukocytosis: Matches the description of "Increas…
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multiple choice question histamine is secreted by basophils. what is th…
D. Dilates blood vessels
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multiple choice question monocytes that migrate into the tissues become…
B. macrophages
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multiple choice question which type of leukocyte is indicated by the le…
Eosinophil (the option "Eosinophil" from the multiple - choice list)
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multiple select question select all that apply choose all that are char…
- They differentiate into macrophages and phagocytize pathogens. - The nucleus is large and clearly visible, ovoid, kidney - shaped, or horseshoe - shaped.
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multiple select question select all that apply which statements are tru…
- They have multi lobed nuclei when mature. - They are the most abundant leukocyte.
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multiple choice question which are the second most abundant leukocytes …
A. Lymphocytes
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ordering question click and drag on elements in order list the leukocyt…
The correct order from most abundant to least abundant (for the given leukocytes) is: 1. Neutrophils 2. Monocytes 3. Basophils (Note: If the question includes other leukocytes lik…
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multiple choice question which of the following is characteristic of ly…
B. A small cell with a large round nucleus
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multiple choice question neutrophils, basophils and eosinophils are the…
A. granulocytes
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multiple choice question heparin is secreted by basophils. how does hep…
D. Prevents clotting so immune cells can continue to reach the injury
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true or false question leukocytes differ from erythrocytes in that they…
True
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multiple choice question which leukocyte has a nucleus comprised of two…
Eosinophil (the last option in the list, with the label "Eosinophil")
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multiple choice question which characteristic is shared by all leukocyt…
C. Presence of a nucleus
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multiple choice question which leukocyte is indicated by the letter a i…
A. Neutrophil
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multiple choice question what are the least common formed elements of t…
A. Leukocytes
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multiple choice question the most numerous white blood cells are normal…
C. neutrophils (assuming the options are labeled as A. basophils, B. lymphocytes, C. neutrophils, D. eosinophils; if the original options' numbering is different, adjust the ident…
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multiple choice question which wbcs are classified as agranulocytes? mo…
A. Monocytes and lymphocytes
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multiple choice question what causes hemolytic disease of the newborn? …
D. Maternal anti - D destroys fetal erythrocytes. (Note: Assuming the options are labeled A, B, C, D in order. If the original options had different labels, adjust accordingly. He…
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multiple choice question which retain their organelles throughout their…
A. Leukocytes
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multiple choice question which retain their organelles throughout their…
A. Leukocytes
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multiple choice question which term describes lymphocytes and monocytes…
D. Agranulocytes
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fill in the blank question the blood type ab is sometimes called the un…
recipient
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fill in the blank question the alternate term for a white blood cell (w…
leukocyte
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multiple choice question which blood type is the least common in the un…
A. AB
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multiple choice question following the first pregnancy with an rh+ fetu…
A. The baby's blood is Rh+
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fill in the blank question oxygen deprivation is called
hypoxia
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true or false question antigen a and antigen b are also called h factor…
False
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multiple choice question a patients blood does not agglutinate when eit…
The first option (representing blood type O, as the other options are AB, A, B)
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multiple choice question which abo blood type is sometimes called the u…
AB (assuming the last option is AB, e.g., if the options are A. A, B. O, C. B, D. AB, then the answer is D. AB)
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multiple choice question which blood type would have the alpha agglutin…
A. Type B
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multiple choice question a person with type a blood must never receive …
B. Type B
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true or false question agglutination would be expected if a recipient h…
True
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fill in the blank question the most common type of blood in the united …
O (or more precisely, O positive, but "O" is a common acceptable answer here)
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multiple select question select all that apply which erythrocyte cell -…
A. A, B. B
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multiple choice question type ab blood exhibits agglutination in which …
Anti - A and Anti - B
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multiple choice question which term refers to the clumping of cells tha…
A. Agglutination
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multiple select question select all that apply choose all the blood typ…
B. Type B, C. Type O
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consider this claim: basic wristwatches are no longer useful because pe…
The third sentence (Wristwatches are still useful because it is not always appropriate to check one’s cell phone, such as during a test or a meeting.)
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multiple choice question antibodies are secreted by ______. plasma cell…
A. plasma cells
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multiple choice question anti-b agglutinins are found in people with wh…
A. A and O
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fill in the blank question blood types are based on large molecules cal…
antigens
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multiple choice question an individual with both a and b red blood cell…
C. Type AB (assuming the options are labeled as A. Type A, B. Type O, C. Type AB, D. Type B; if the original option numbering is different, adjust the identifier accordingly, but …
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fill in the blank question oxygen deprivation is called blank. need hel…
anoxia (or hypoxia, with anoxia being more specific for total oxygen deprivation)
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multiple choice question what is agglutination? the binding of oxygen t…
B. The production of large antigen - antibody complexes
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fill in the blank question blood proteins secreted by plasma cells are …
antibodies
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multiple choice question a persons specific blood type is based on whic…
D. Antigens expressed on the RBC plasma membrane (assuming the options are labeled A - D in order; if the original labels differ, adjust the identifier but the text remains the sa…
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multiple select question select all that apply choose all that may caus…
- Sickle cell disease, thalassemia, malaria - Snake and spider venom - Blood type incompatibilities - Penicillin allergy
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multiple choice question hypoxia, decreased blood osmolarity, and decre…
C. Anemia
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multiple choice question after removal of iron from hemoglobin, the rem…
B. Biliverdin and then bilirubin
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multiple choice question the complete cessation of erythropoiesis due t…
A. Aplastic
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multiple choice question a generalized condition in which there is too …
A. anemia
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multiple select question select all that apply why does erythropoiesis …
A. Elderly people tend to get less exercise and eat less well, C. Gastric atrophy may occur, reducing intrinsic factor secretion, D. The kidneys atrophy and produce less EPO
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fill in the blank question a high level of in the blood causes the yell…
bilirubin
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multiple choice question what is true about vitamin b₁₂, copper and fol…
B. They are all required for erythropoiesis.
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multiple choice question name the compounds that are converted into bil…
B. Hemoglobin and ferritin
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multiple choice question an excess of red blood cells is called ______.…
A. polycythemia
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multiple choice question what role do macrophages play in rbc death and…
A. They separate the heme from the globin of hemoglobin, and hydrolyze globin into free amino acids. (Note: Assuming the first option is labeled A; adjust identifier if options ha…
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click and drag on elements in order place the steps of iron metabolism …
1. Absorbed $\text{Fe}^{2+}$ binds to transferrin in plasma. 2. Some transferrin releases $\text{Fe}^{2+}$ for storage in the liver. 3. $\text{Fe}^{2+}$ binds apoferritin to be st…
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multiple select question select all that apply choose all the nutrients…
A. Folic acid, B. Copper
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multiple choice question after removal of iron from hemoglobin, the rem…
C. Biliverdin and then bilirubin (assuming the third option is labeled C; if the original options had labels like A, B, C, D, the correct one is the option with "Biliverdin and th…
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multiple choice question what happens to the fragments of old red blood…
B. They are recycled by macrophages.
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multiple choice question why are only old rbcs destroyed in the spleen?…
The correct option is the one stating: "Old cells rupture in the narrow channels of the spleen because they are no longer flexible or resilient." (Assuming this is, for example, t…
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click and drag on elements in order place the steps of iron metabolism …
1. A mixture of $\text{Fe}^{2+}$ and $\text{Fe}^{3+}$ is ingested. 2. The stomach acid converts $\text{Fe}^{3+}$ to $\text{Fe}^{2+}$. 3. $\text{Fe}^{2+}$ binds to gastroferritin. …
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multiple choice question when a person moves from miami to denver, the …
Stimulation of EPO secretion
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select all that apply choose all that are functions of the circulatory …
- It carries oxygen from the lungs to peripheral tissues and CO₂ from peripheral tissues to the lungs. - It neutralizes toxins and helps to destroy pathogens. - It helps to stabil…
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fill in the blank question the formed elements of the blood are platele…
lymphocytes
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fill in the blank question in blood fractionation, white blood cells an…
buffy
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select all that apply choose all that are the components of blood. whit…
A. White blood cells, B. Platelets, C. Plasma, D. Red blood cells
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select all that apply choose all that are functions of the circulatory …
- Regulation of body temperature - Transportation of nutrients and gases - Stabilization of body fluid pH
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fill in the blank question the percentage of the bloods volume composed…
hematocrit
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select all that apply choose all that are included in the cardiovascula…
A. Blood vessels, B. Heart, D. Blood
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fill in the blank question the main components of blood are a fluid por…
plasma
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select all that apply choose all that are functions of the circulatory …
- It helps to stabilize fluid distribution in the body. - It carries oxygen from the lungs to peripheral tissues and CO2 from peripheral tissues (to the lungs, assumed). - It abso…
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the presence of other individuals of the same species has been observed…
C. The average percent change in heart rate was lower among C. helleri with a companion than among solitary C. helleri and C. helleri with a rope.
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in subtropical asia, apis dorsata (giant honeybee) plays an essential r…
B. Honey samples from Kerinci bee colonies contained significantly higher concentrations of pollen than honey samples from Kampar bee colonies did.
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directions: answer the following reading comprehension questions. 1. ho…
Sorry, the reading passage corresponding to these comprehension questions is missing. Please provide the full passage so I can assist with answering the questions.
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why is it important to hold and cuddle a baby?
Holding and cuddling babies is important for regulating their physiology, building secure attachment, reducing stress, and supporting early brain and emotional development.
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imagine you are a historian interested in learning about soldiers lives…
The subfield is History (under Social Science), and the task is to analyze the primary source (Ezra Tilden's diary) to understand soldiers' lives in the American Revolutionary War.
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4)who helps santiago most to overcome his internal struggles? a) the ba…
C) THE ALCHEMIST ### Question 5
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multiple choice questions: choose the best answer. 1)what is the main i…
B. CHOOSING BETWEEN STAYING COMFORTABLE OR TAKING RISKS TO FOLLOW HIS DREAM ### Question 2