Worksheetshistopathology
Total questions: 58
Worksheet time: 29mins
A 52-year-old male presents with symptoms of gastric pain after eat- ing. During workup, a 3-cm mass is found in the wall of the stomach. This mass is resected and histologic examination reveals a tumor composed of cells having elongated, spindle-shaped nuclei. The tumor does not connect to the overlying epithelium and is found only in the wall of the stomach. This tumor most likely originated from
Adipocytes
Endothelial cells
Glandular epithelial cells
Smooth muscle cells
The first and most critical step in histotechnology?
Fixation
Clearing
Infiltration
Embedding
The primary aim of fixation:
Preserve the morphologic and chemical integrity of the cell
Act as mordant or accentuators
Harden and protect the tissue from trauma of further handling
Inhibit bacterial decomposition
The secondary goal of fixation:
Preserve the morphologic and chemical integrity of the cell
Act as mordant or accentuators
Harden and protect the tissue from trauma of further handling
Inhibit bacterial decomposition
Most ideal and most reliable method of determining extent of decalcification:
Physical test
Chemical test
X-ray or radiological test
All are correct
Excessive exposure to this clearing agent may be extremely toxic to man and may become carcinogenic or it may damage the bone marrow resulting to APLASTIC ANEMIA:
Xylene
Toluene
Benzene
Chloroform
A special form of cell death produced by the tubercle bacillus:
Liquefaction necrosis
Coagulation necrosis
Fat necrosis
Caseous necrosis
It is especially recommended for cutting extremely hard and rough tissue blocks.
Rocking
Rotary
Sliding
Freezing
Ripening of hematoxylin is a process of:
Hydrolysis
Oxidation
Mordanting
Reduction
Harris hematoxylin is used on tissue sections to stain:
Fats
Glycogen
Nuclei
Cytoplasm
The Von Kossa’s stain is used to demonstrate:
Calcium
Amyloid
Glycogen
Fats
Oldest stain:
Orcein
Iodine
Eosin
Hematoxylin
Probably the best vital:
Nile blue
Neutral red
Janus green
Toluidine blue
Vital dye especially recommended for mitochondria:
Nile blue
Neutral red
Janus green
Toluidine blue
The connective tissue cells actively involved in wound healing are:
Plasma cells
Macrophages
Mast cells
Fibroblasts
Acridine orange demonstrates
Cell wall
Mitochondria
Nucleic acid
Flagella
Project coaches/leaders:
White belts
Green belts
Yellow belts
Black belts
Project team members:
White belts
Green belts
Blue belts
Black belts
Green belts contribute _____ of their time to improvement projects while delivering their normal job functions.
20%
50%
70%
100%
Black belts dedicate _____ of their time to quality improvement projects, proactively addressing process and quality problems.
20%
50%
70%
100%
Stains the nucleus:
Acidified eosin
Non-acidified eosin
Acidified hematoxylin
Non-acidified hematoxylin
First step in automated tissue processor:
Cold formalin
Hot formalin
Cold ethanol
Hot ethanol
At low pH, formalin produces a dark pigment which obscure cellular detail. Thus, it is necessary to buffer formalin at pH____ to prevent this occurence.
pH 3
pH 5
pH 7
pH 8
In the Feulgen’s reaction, DNA is stained:
Green
Blue
Reddish-purple/violet
Black
The phosphotungstic acid hematoxylin (PTAH) is useful for demonstrating:
Edema fluid
Muscle striations
Ground substance
Reticulin network
In the ripening of hematoxylin, alkaline (basic) solutions will affect for a _______ oxidizing process
Slower oxidizing process
More rapid oxidizing process
Few hours
None of these
Which of the following ISO standard applies to the clinical laboratory?
ISO 9000
ISO 7000
ISO 15189
ISO 15436
Molecular death:
Flat ECG
Flat EEG
Absent breath sounds
Rigor mortis
Thyroid follicles are lined by this type of epithelium:
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Transitional epithelium
Due to chronic trauma induced by ill-fitting dentures:
Hypertrophy
Hyperplasia
Dysplasia
Metaplasia
It occurs in the bronchi of cigarette smokers as cellular adaptation to smoke:
Hypertrophy
Hyperplasia
Dysplasia
Metaplasia
RBC inclusion:
Positive Wright's stain
Positive supravital stain
Positive Feulgen reaction
Basophilic stippling
Heinz bodies
Howell-Jolly bodies
Pappenheimer bodies
Tissue is soft when block is trimmed:
Incomplete fixation
Incomplete dehydration
Incomplete clearing
Incomplete impregnation
Tissue is opaque, section cutting is difficult due to the presence of alcohol.
Incomplete fixation
.Incomplete dehydration
Insufficient clearing
Incomplete impregnation
Whenever the drug testing laboratory result is challenged, _______ shall make the final decision.
Crime laboratory of PNP
Crime laboratory of NBI
East Avenue Medical Center
San Lazaro Hospital
Which of the following conducts Proficiency Workshops in HIV and Hepatitis Testing for all medical technologists?
LCP
NKTI
RITM
SACCL-SLH
RESPECT the decisions (self-determination) of individuals who have decision-making capacity.
Autonomy
Beneficence
Non-maleficence
Justice
An Act Regulating the Collection, Processing and Sale of Human Blood, and the Establishment and Operation of Blood Banks and Blood Processing Laboratories
A. RA 5527
B. RA 1517
C. RA 7719
D. RA 8504
AN ACT PROMOTING VOLUNTARY BLOOD DONATION, PROVIDING FOR AN ADEQUATE SUPPLY OF SAFE BLOOD, REGULATING BLOOD BANKS
A. RA 5527
B. RA 1517
C. RA 7719
D. RA 8504
A blood service facility duly authorized by the DOH – Center for Health Development (CHD), whose main function is to collect blood from volunteer non-renumerated blood donors:
A. Blood Bank (BB)
B. Blood center (BC)
C. Blood collection unit (BCU)
D. Blood station (BS)
A blood service facility duly authorized by the DOH – CHD, whose main function is the storage, issuance, transport and distribution of whole blood and packed red cells:
A. Blood Bank (BB)
B. Blood center (BC)
C. Blood collection unit (BCU)
D. Blood station (BS)
A non-hospital-based blood service facility, licensed by DOH Bureau of Health Facilities and Services (BHFS), whose main function is to process blood units into blood components and testing these units for five (5) infectious disease markers:
A. Blood Bank (BB)
B. Blood center (BC)
C. Blood collection unit (BCU)
D. Blood station (BS)
SURVEILLANCE PROCEDURES COVERING WHOLE TRANSFUSION CHAIN:
A. Blood cold chain
B. Health vigilance
C. Hemovigilance
D. Pharmacovigilance
The Professional Regulation Commission, otherwise known as the PRC, is a ____-man commission attached to office of the President for general direction and coordination.
A. Two-man
B. Three-man
C. Four-man
D. Five-man
Licensure exam not under PRC:
A. Geologists
B. Librarians
C. Lawyers
D. Master plumbers
Introduced medical technology practice in the Philippines after World War II:
A. Dr. Pio de Roda
B. Dr. Mariano Icasiano
C. Dr. Prudencia Sta. Ana
D. 26th Medical Laboratory of the 6th US Army
A class ABC fire extinguisher contains:
A. Sand
B. Water
C. Dry chemicals
D. Acid
Waste container for empty aerosol cans:
D. Red
A. Yellow
B. Yellow with black band
C. Black
D. Red
Carbon dioxide for extinguishers are suitable for use with the following hazards:
A. Cloth and electrical
B. Wood and flammable gas
C. Flammable liquids and electrical
D. Paper and natural gas
Exotic agents considered high risk and cause life-threatening disease:
A. BSL-1 agents
B. BSL-2 agents
C. BSL-3 agents
D. BSL-4 agents
Due to chronic trauma induced by ill-fitting dentures:
A. Hypertrophy
B. Hyperplasia
C. Dysplasia
D. Metaplasia
A 53-year-old woman with no prior illnesses has a routine checkup by her physician. On examination she has a blood pressure of 150/95 mm Hg. If her hypertension remains untreated for years, which of the following cellular alterations would most likely be seen in her myocardium?
A. Dysplasia
B. Fatty change
C. Hyperplasia
D. Hypertrophy
A universal fixative used for routine purposes:
A. Zenker fluid
B. Zamboni PAF
C. 10% neutral buffered formalin
D. Carnoy's fluid
Ripening of hematoxylin is a process of:
A. Hydrolysis
B. Oxidation
C. Mordanting
D. Reduction
Preparation of 1 liter 10% formalin from 40% formaldehyde:
A. 10 mL 40% formaldehyde to 990 mL water
B. 100 mL 40% formaldehyde to 900 mL water
C. 1 mL 40% formaldehyde to 999 mL water
D. 400 mL 40% formaldehyde to 600 mL water
A. 10 mL 40% formaldehyde to 990 mL water
B. 100 mL 40% formaldehyde to 900 mL water
C. 1 mL 40% formaldehyde to 999 mL water
D. 400 mL 40% formaldehyde to 600 mL water
Oldest stain:
A. Orcein
B. Iodine
C. Eosin
D. Hematoxylin
The four essential functions of a manager are:
A. Staffing, decision making, cost analysis, evaluating
B. Directing, leading, forecasting, implementing
C. Planning, organizing, directing, controlling
D. Innovating, designing, coordinating, problem-solving
The material safety data sheets (MSDSs) for hazardous chemicals address which of the following conditions?
A. Physical characteristics of the chemical
B. Safe handling and storage of the chemical
C. Specific health hazards associated with the chemical
D. All of these options
