1. There are five alternative answers to each of the following questions: A, B, C, D and E. Please choose the best answer.
1. Which cells are the main leakage fluid?
First, lymphocytes
neutrophil
basophil
monocyte
eosinophilic granulocyte
Correct answer a
Answer analysis
2. The characteristics of ideal biochemical markers that can reflect acute myocardial injury should not be included.
First, high cardiac specificity
B, rapid increase after myocardial injury.
C, the duration is shorter after the increase.
D, easy detection and quick response.
Its diagnostic value has been confirmed by clinic.
Correct answer c
Answer analysis
3. The patient's urine β2- microglobulin is increased, but his blood β2- microglobulin is not high. The most likely reason is that
I. Tumors
B, renal tubular injury
C, rheumatoid arthritis
D, systemic lupus erythematosus
E. Sjogren's syndrome
Correct answer b
Answer analysis
4. When AFP is positive, which of the following diseases is the easiest to diagnose?
I. Chronic active hepatitis
B, liver metastasis
C, cholangiocarcinoma
D, primary liver cancer
E, liver cirrhosis
Correct answer d
Answer analysis
5. The 2-hour blood glucose level of 5.OGTT test was 8 ~11mmol/L.
I. Moderate decline in glucose tolerance
B, glucose tolerance decreased slightly.
C, glucose tolerance is seriously decreased.
D, normal glucose tolerance
E, increased glucose tolerance.
Correct answer b
Answer analysis
6, type I hypersensitivity is due to
A, immune complex deposition in local tissue caused by immune response.
B, local tissue IgG deposition caused immune response.
C, the deposition of complement C3 in local tissues causes immune response.
D, the allergen binds to specific IgE fixed on the cell surface receptor to cause immune response.
Immune response caused by the deposition of e and IgM in local tissues
Correct answer d
Answer analysis
7. Which of the following is hereditary hemolytic anemia?
A, microangiopathic hemolytic anemia
B, autoimmune hemolytic anemia
C, 6- phosphate glucose dehydrogenase deficiency
D, paroxysmal nocturnal hemoglobinuria
Hemolytic anemia caused by blood group incompatibility between E and AB0.
Correct answer c
Answer analysis
8. Specific marker chromosome T (15; 17)(q22； Q 12) mainly exists in
I. Chronic myeloid leukemia
B, acute promyelocytic leukemia
C. Burkitt lymphoma
D. erythroleukemia
E, acute monocytic leukemia
Correct answer b
Answer analysis
9, does not belong to the abnormal content of red blood cells is
Orr corpuscle
B. cabot ring
Howell-Jolly corpuscles
basophilic stippling
E, denatured globin body
Correct answer a
Answer analysis
10, prostate-specific antigen density (PSAD) is
Polysulfonamide/polysulfonamide
B, the ratio of serum PSA measured value to prostate volume
The difference between C, t-PSA and f-PSA
Ratio of d, f-PSA to prostate volume
E, the ratio of urine PSA measured value to prostate volume
Correct answer b
Answer analysis
1 1, the preferred test for monoclonal gammaglobulinemia is
First, immunoelectrophoresis
B, serum protein zone electrophoresis
C, bone marrow testing
D, measuring lg content.
Electron spin resonance measurement
Correct answer b
Answer analysis
12, which of the following bacteria is halophilic?
A. Vibrio cholerae
B. Vibrio parahaemolyticus
C. Serratia marcescens
D. Escherichia coli
E. Klebsiella pneumoniae
Correct answer b
Answer analysis
13, tumor-associated antigen is characterized by
First, only exists in tumor cells.
B, the content of cancer cells increased significantly.
C, with strict tumor specificity
D, only exists in blood and tumor tissue.
E, only exists in the form of membrane combination.
Correct answer b
Tumor-associated antigen refers to the unique antigen component of non-tumor cells, which also exists in a small number of normal cells, but can be abnormally expressed in the body where tumors occur.
14, cross matching with saline medium, when the serum and red blood cells have visible agglutination reaction, the antibodies in the serum are
A: IgM
b、IgE
c、A+B
d、IgG
e、IgA
Correct answer a
Answer analysis
15. Which of the following is wrong about Red's dyeing method?
A, methanol can fix cells, dissolve dyes and enhance the dyeing effect.
The pH value of the buffer solution is between 6.4 and 6.8.
C, dyeing time is affected by room temperature.
D is a composite dye composed of acid dye methylene blue and basic dye eosin.
E, freshly prepared dyes need to be left for a period of time before they can be used.
Correct answer d
Answer analysis
16, adding inhibitors to the culture medium to inhibit the growth of miscellaneous bacteria in the sample is
First, the basic medium
B, nutrient medium
C. Identification of culture medium
D, selecting a culture medium
E, special culture medium
Correct answer d
Answer analysis
17, the most common bacteria producing extended-spectrum β -lactamases are
A. Shigella dysenteriae
B. Streptococcus pneumoniae
C. Klebsiella pneumoniae
D. Staphylococcus aureus
E. Enterobacter cloacae
Correct answer c
Answer analysis
18 type can also be called type ⅳ hypersensitivity according to the pathogenesis.
First, immediate allergic reaction
B, immune complex allergy
C, cytotoxic allergy
D, delayed hypersensitivity
Type e and type ⅵ hypersensitivity
Correct answer d
Answer analysis
19, the main function of parathyroid hormone is to increase blood calcium and decrease blood phosphorus, and its target organs are mainly
I. Bone, renal tubule and small intestine
B, bones, adrenal glands and small intestine
C, bones, liver and small intestine
D, liver, adrenal gland and small intestine
E, liver, adrenal glands and bones
Correct answer a
Answer analysis
20, reflect the early markers of coronary artery reperfusion is
A: CK
b、LD
c、AST
d、Mb
e、LD 1
Correct answer a
Answer analysis
2 1, which of the following can't cause the lactate dehydrogenase isoenzyme LD5 to increase obviously?
First, liver cirrhosis
Hepatitis B virus
C, muscle atrophy
D, primary liver cancer
E, giant cell anemia
Correct answer e
Answer analysis
22, blood smear to see the most white blood cells is
monocyte
B, eosinophil
neutrophil
D, neutrophils.
E, neutrophil lobulated granulocyte
Correct answer e
Answer analysis
23, used in the auxiliary diagnosis of organophosphorus poisoning enzyme is
diastase
Lipoprotein lipase
acid phosphatase
cholinesterase
Alkaline phosphatase
Correct answer d
Answer analysis
24. Which of the following refers to the process from the release of factor III to the activation of factor X?
First, exogenous coagulation pathway
B, endogenous coagulation pathway
C, exogenous coagulation system
D, endogenous coagulation system
E, * * * coagulation pathway
Correct answer a
Answer analysis
25, about the incidence of leukemia, the following statement is wrong.
1. The incidence of leukemia ranks first among children and adolescents with malignant tumors.
B, the incidence of leukemia in Europe and America is higher than that in China.
C Acute myeloid leukemia is the most common leukemia in China.
D the incidence of acute lymphoblastic leukemia is close to that of adults and children.
E. Chronic myeloid leukemia is more common in China than chronic lymphocytic leukemia, but the opposite is true in Europe and America.
Correct answer d
Answer analysis
26, megaloblastic anemia, the following statement is correct.
A, red blood cells, hemoglobin ↓
B, red blood cells, hemoglobin ↓↓
c、RBC↓↓、Hb↓
d、RBC↓、Hb↓
E, RBC↓ and Hb are normal.
Correct answer b
Answer analysis
27, primary thrombocytopenic purpura (ITP) thrombocytopenia is caused by
A. Generation reduction
B, excessive consumption
C, damage increased
D, abnormal distribution
Maturity disorder
Correct answer c
Answer analysis
28, diabetic ketosis can cause
I. Metabolic alkalosis
B, metabolic acidosis
C, respiratory alkalosis
D, respiratory acidosis
E, compound acidosis
Correct answer b
Answer analysis
29, the best laboratory diagnosis method of multiple myeloma is
I. Immunoturbidimetric test
B, immunofixation electrophoresis
C, immune convection test
D, immunodiffusion test
E, enzyme-linked immunosorbent assay
Correct answer b
Answer analysis
30, hybridoma cells contain
A, each half chromosome of two parent cells
B, all chromosomes of parental cells
C, two chromosomes
D. fusion of specific genetic information.
E, some characteristic genes of parents
Correct answer b
Answer analysis
3 1. Fresh excrement will pollute food, and people may be infected if they eat it.
A. Ascaris
whipworm
C. hookworm
D. Plasmodium
Giardia
Correct answer e
Answer analysis
32, gel electrophoresis reaction type
I. Precipitation reaction
agglutination reaction
C, the reaction of complement participation
D, neutralization reaction
E, hemolytic reaction
Correct answer a
Answer analysis
33, hemolytic specimens will not affect the following test results are
First, the red blood cell count
B, white blood cell count
C, blood smear
D, serum potassium concentration
transaminase
Correct answer b
Answer analysis
34, general bacterial morphology test specimens preferred' staining method is
A. Gram staining
B, acid-fast dyeing
C. Wright staining method
D and HE staining
E, methylene blue staining
Correct answer a
Answer analysis
35. Which of the following is the cause of the leak?
I. Bacterial infection
wound
C, bile stimulation
D, gastric juice stimulation
E, advanced cirrhosis
Correct answer e
Answer analysis
36. The experimental technique for determining ENA antibody spectrum is as follows
ELISA
B, fluorescence immunity
C. radioimmunoassay
D, enzyme immunoblotting
E, colloid full chromatography
Correct answer d
Answer analysis
37, respiratory alkalosis
I. Elevated blood potassium
B, decreased blood sodium
C, elevated blood calcium
D, blood inorganic phosphorus increased.
E, elevated blood chlorine
Correct answer e
Answer analysis
38, which of the following diseases serum total bilirubin, direct bilirubin and indirect bilirubin are increased?
First, hemolytic anemia
Hepatitis B virus
C, gallstones
D, severe extensive burns
E, pancreatic head cancer
Correct answer b
Answer analysis
39, the reference value of serum potassium is
3 ~ 5 mmol/L
Boron: 3.5 ~ 5.5 mmol/L.
C, 4-5.5 mmol/L.
D, 4.5-6 mmol/
E, 4-6 mmol/L.
Correct answer b
Answer analysis
40. The surface markers of TH cells are as follows
A: CD3
b、CD4
c、CD8
Vitamin d, CD20
e、CD 19
Correct answer b
Answer analysis
4 1, which of the following coagulation factors is needed to convert fibrinogen into fibrin?
a、X
b、?
c、?
d、Xⅲ
e、TF
Correct answer d
Answer analysis
42, in the double antibody sandwich reaction system, the fixed limit of the substance.
First, solid antigen and enzyme-labeled antibody
B, solid antibody and enzyme-labeled antigen
C, solid antigen and enzyme-labeled antigen
D, solid-phase antibody and enzyme-labeled antibody
E. enzyme-labeled antigen and enzyme-labeled antibody
Correct answer d
Answer analysis
43, bone marrow fibrosis
A, immature cells and primitive cells in peripheral blood >; Thirty percent
B, there are more immature granulocytes with eosinophils and basophils in peripheral blood.
C lymphocytes in peripheral blood and bone marrow >: 60%
D, red blood cells and granulocytes in peripheral blood are easy to see, and bone marrow appears "dry pumping"
E helmet red blood cells and broken red blood cells are easy to be seen in peripheral blood.
Correct answer d
Answer analysis
44, using ELISA technology to determine the type of anti-histone antibody is
First, double antibody sandwich
B, one-step method
C, capture method
D. Competition law
E. Indirect method
Correct answer e
Answer analysis
45, the following diseases can be diagnosed by bone marrow smear examination is
I. Iron deficiency anemia
ITP
gigantic young cell anemia
D, hypersplenism
MDS
Correct answer c
Answer analysis
46, affect the whole body tissue cell metabolism and physiological function in the form of plasma calcium is
1. Albumin binding calcium
calcium phosphate
calcium citrate
D. ionized calcium
E. Non-diffused calcium
Correct answer d
Answer analysis
47, red blood cell distribution width can be used to estimate.
First, the number of red cells
haemoglobin concentration
C, uneven red blood cell volume
D, hematocrit
E, hemoglobin content
Correct answer c
Red blood cell distribution width can be used to estimate the heterogeneity of red blood cell volume.
48, platelet histogram peak on the right side of the abscissa is high, trailing, which shows that
First, thrombocytopenia
B, small red blood cells
C, red blood cell fragments
D, dust
E, cotton silk
Correct answer b
When there are large platelets, small red blood cells and aggregated platelets, the histogram shows abnormality.
49, in the general environment, bacteria with negative charge, easy and
A, neutral dye combination
B, combination of basic dyes
C, none of the above is correct
D, Giemsa dye combination
Acid dye combination
Correct answer b
Bacterial cells are generally negatively charged and easily combined with positively charged alkaline dyes.
50. Which of the following Escherichia coli will cause symptoms similar to Shigella-like diarrhea in clinic?
A: ETEC
EIEC
c、EAggEC
EPEC
EHEC
Correct answer b
Intestinal invasive Escherichia coli can cause symptoms similar to Shiga-like diarrhea.
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