Quiz: Exam 2022 — AUA MCQ

What is the type of the salmonella species that causes food poisoning?

A a) Salmonella Typhi B b) Salmonella Typhimurium C c) Salmonella Para typhi-A D d) Salmonella Para typhi -B

How can we collect the Blood culture?

A a) Under septic condition B b) Under aseptic condition C c) Hot air condition D d) Cold air condition

Which of the following organisms most commonly causes sub acute bacterial endocarditis?

A a) Pneumococci B b) Streptococcus pyogens C c) Gram negative cocci D d) Viridans streptococci

What is the predominant cell in CSF in acute bacterial meningitis?

A a) Lymphocytes B b) Monocytes C c) Polymorphes D d) Mast cells

When the bacterial count in urine sample is more than 100, 000 per ml this bacteriuria is?

A a) Significant B b) Non significant C c) According D d) Non according

Separation of substances into several fractions of different net charges in external electric field is made by

A a) Electrophoresis B b) Spectrophotometer C c) ELISA D d) None of above

High level of CK MM isoenzyme is used in the diagnosis of which of the followings?

A a) Diabetes mellitus B b) Myocardial infarction C c) myopathy D d) Neurological disorders

Which one of the following variables is NOT considered a pre-analytical variable when dealing with patient's samples?

A a) Patient identification B b) Labeling of the sample C c) Interpretation of results D d) Transport of samples

Which one of these enzymes is specific for the diagnosis of hepatitis?

A a) Alanine transaminase (ALT) B b) Amylase C c) Aspartate transferase (AST) D d) Alkaline phosphatase (ALP)

Some test results are affected by hemoconcentration are this occurs when the tourniquet applied for more than

A a) One minute B b) Two minutes C c) Three minutes D d) Four minutes

In which region the band of chylomicron is located in gel electrophoresis?

A a) Prebeta B b) Origin C c) Alpha D d) Beta

Which of the following are considered risk factors of coronary heart disease?

A a) Increased levels of HDL B b) Increased levels of total cholesterol & LDL, and decreased HDL C c) Increased levels of triglycerides and increased levels of HDL D d) Decreased levels of Apo B and decreased levels of Apo A

Which of the following statements about low density lipoprotein is correct?

A a) Transport cholesterol from liver to tissues B b) Good cholesterol C c) Contain Apo A D d) Transport cholesterol from tissues to liver

Which of the following laboratory waste needs a licensed receiver for its disposal?

A a) Chemical waste B b) Radioactive waste C c) Bio-hazardous waste D d) None of the above

Which of the following is NOT considered a benefit in reducing laboratory waste?

A a) Saving money B b) Increasing safety in the lab C c)Reducing disposal costs D d) Improving test results

Immune deficiency means

A a) Failure of response to self-antigens B b) Exaggerated immune response to self-antigens C c) Failure of response to foreign-antigens D d) Exaggerated immune response to foreign-antigens

Tolerance is

A a) A state of unresponsiveness to given antigen B b) Genetically programmed C c) Occurs in the bone marrow for T-cells D d) Occurs in the thymus for B cells

Which type of hypersensitivity is contact dermatitis?

A a) Type l B b) Type ll C c) Type Ill D d) Type IV

Which of the following in vivo tests used for the diagnosis of type IV hypersensitivity?

A a) Ab detection by ELISA B b) Montoux test for delayed cutaneous reactions and patch test for contact dermatitis C c) Detection of T-lymphocytes by flowcytometry D d) Detection of immune complex by examining tissue biopsies

Which technique uses enzyme linked immunoglobulin to detect antigens or antibodies?

A a) Hemagglutination B b) Hemagglutination inhibition C c) ELISA D d) PCR

Leucocyte alkaline phosphatase is decreased in

A a) Essential thrombocytosis B b) Chronic myeloid leukemia C c) Polycythemia Vera D d) Primary myelofibrosis

Myeloperoxidase is positive in

A a) Chronic lymphocytic leukemia B b) Acute lymphoblastic leukemia C c) Acute myeloblastic leukemia D d) Multiple myeloma

Hemophilia A is associated with

A a) Increased PTT B b) Normal PTT C c) Normal PT D d) Increased PT

Macrocytic anemia includes

A a) Iron deficiency anemia B b) Sideroblastic anemia C c) Lead poisoning D d) Megaloblastic anemia

Reticulocyte count is decreased in

A a) Iron deficiency anemia B b) Aplastic anemia C c) Hemolytic anemia D d) Thalassemia

Which of the following is NOT associated with iron deficiency anemia?

A a) Decreased serum iron B b) Increased TIBC C c) Decreased serum ferritin D d) Raised indirect serum bilirubin

Which of the following is NOT a chronic myeloproliferaive neoplasm?

A a) Chronic myeloid leukemia B b) Polycythemia Vera C c) Primary myelofibrosis D d) Chronic lymphocytic leukemia

Reed-Sternberg (HRS) cell associated with

A a) chronic lymphocytic leukemia B b) acute lymphoblastic leukemia C c) Hodgkin lymphoma D d) Non Hodgkin lymphomas

Thrombocytopenia means

A a) Increased platelet count B b) Normal platelet count C c)Decreased platelet count D d) Decreased WBCs count

Plasma cell myeloma is associated with increased

A a) Lymphocytes in bone marrow B b) Neutrophils in bone marrow C c) Plasma cells more than or equal 10% in bone marrow D d) Megakaryocytes in bone marrow

The imaging modalities that entits radiation inؤlude all of the followingsexcept

A a) Plain x-ray B b)MRI C c) Mammography D d) Panorama

The safest imaging modality during pregnancy is

A a) CT B b) US C c) Plain x-ray D d) Isotope scan

Pulmonary embolism can be assessed accurately by

A a) CT pulmonary angiography B b) Plain x-ray C c) Us D d) MRI

Echocardiography can assess all of the followings except

A a) Myocardium B b) Cardiac valves C c) Pericardial effusion D d) Coronary arteries

Screening of chest region can be made by

A a) MRI B b) Catheterization C c) Plain x-ray D d) US

Vesico ureteric reflux can be assessed by

A a) Descending nephrogram B b) CTU C c) Ascending cystogram D d) IVP

The renal stones better assessed by

A a) IVP B b) MRI C c) CTU D d) US

Gas under the diaphragm indicate

A a) Biliary colic B b) Perforated viscous C c) Ovarian torsion D d) Renal colic

The best imaging modality for assessment of Mesenteric vascular occlusion is

A a) Plain x-ray B b) CT angiography C c) US D d) CTU

MRCP used for assessment of

A a) Bowel loops B b) Kidneys C c) Biliary tree D d) Aorta and its branches

Contraindications for IV contrast media include all of the followings except

A a) Renal impairment B b) Hypersensitivity C c) Heart failure D d) Liver mass

On US, Ovarian torsion, characterized by all of the followings except

A a) Enlarged ovary B b) Absent ovarian blood flow C c) High vascularity within the ovary D d) Distended follicles

Mammography unit used for assessment of

A a) Thyroid gland B b) Breast C c) Abdomen D d) Pelvic organs

Mammography is superior than US in detection of

A a) Axillary lymph nodes B b) Differentiate between solid and cystic lesions C c) Calcifications D d) Dilated ducts

Coronary artery can be assessed by all of the following modalities Except

A a) CT angiography B b)MRA C c) Echocardiography D d) Cardiac catheterization

The best imaging modality for assessment of lung nodules is

A a) Plain x-ray B b) Us C c) MRI D d) CT

On plain x-ray, pneumothorax appears as

A a) Lucency within the hemi thorax,devoid of vessels B b) Lung mass C c) Air fluid level with dense opacity D d) Obliterated Cost phrenic angle

The primary imaging modality for assessment of bone fractures is

A a) MRI B b) US C c) Plain X-ray D d) CT

At CT brain , Subdural hemorrhage S appears as

A a)Convex concave extra axial dense collection B b) Biconvex extra axial collection C c) Subarachnoid density D d) Intra axial density

The primary imaging modality for assessment of stroke is

A a) Plain x-ray B b) CT C c) MRI D d) U

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