The connective tissues originate from which germinal or embryonic tissue?
A. Ectoderm
B. Endoderm
C. Mesoderm
D. Lipoderm
C. Mesoderm
ALSO KNOWN AS MESENCHYME
All are elastic cartilage, EXCEPT:
A. Intervertebral discs
B. External ear
C. Walls of the Eustachian tubes
D. Epiglottis
A. Intervertebral discs
FIBROCARTILAGE
Identify the muscle tissue described as follows:
**Involuntary control
**Uninucleated
**With intercalated discs
A. Skeletal
B. Cardiac
C. Visceral
D. Smooth
B. Cardiac
AlI are signs of someone who has COVID-19, EXCEPT:
A. Productive cough
B. Fever
C. Positive SARS-COV-2 antigen test
D. Loss of taste
D. Loss of taste SYMPTOM NOT A SIGN
Rubor: Redness; Calor:
Heat
Which of the following wounds is caused by friction against a rough surface?
A. Laceration
B. Contusion
C. Hematoma
D. Abrasion
A. Laceration TORN OR JAGGED WOUNDS
B. Contusion BLUNT-TRAUMA
C. Hematoma BLOOD-FILLED AREA
D. Abrasion✅
Which among the choices below is a closed wound?
A. Abrasion
B. Laceration
С. Hematoma
D. Amputation
С. Hematoma
What progressive change is characterized by an increase in size of tissues or organs due to increase in the size of individual cells?
A. Hyperplasia
В. Hypoplasia
C. Hypertrophy
D. Neoplasia
C. Hypertrophy
What progressive change is characterized by an increase in size of tissues or organs due to increase in the size of individual cells?
A. Hyperplasia
В. Hypoplasia
C. Hypertrophy
D. Neoplasia
C. Hypertrophy
Which of the following is an IRREVERSIBLE change of tissue?
A. Metaplasia
B. Dysplasia
C. Anaplasia
D. Neoplasia
C. Anaplasia 2nd OPTION
D. Neoplasia 1st OPTION✅
What is the malignant tumors of epithelial tissue in origin?
A. Sarcoma
B. Carcinoma
C. Adenoma
D. Papilloma
A. Sarcoma MALIGNANT TUMOR OF CONNECTIVE TISSUE
B. Carcinoma✅
C. Adenoma BENIGN TUMOR OF GLANDS
D. Papilloma BENIGN TUMOR OF EPITHELIAL SURFACES
What is the physiologic cell death?
A. Necrosis
B. Apoptosis
C. Necrosis and Apoptosis
D. Somatic death
B. Apoptosis #1 NECROBIOSIS
Apoptosis iS OFTEN PHYSIOLOGIC, means of elimination of unwanted cells; MAYBE PATHOLOGIC often some forms of cell injury, especially DNA damage. It is morphological identified by NUCLEAR CONDENSATION
Which of the following is NOT an immediate sign of death?
A. Lack of voluntary movement
B. Lack of corneal flex
C. No heartbeat in 5 minutes
D. No breathing in 3 minutes
B. Lack of corneal flex
In the secondary changes of death, the rig dity or stiffening of the muscles is often referred to as:
A. Algor mortis
B. Rigor mortis
C. Livor mortis
D. Post-mortem clot
A. Algor mortis FIRST DEMONSTRABLE CHANGE, COOLING OF THE BODY
B. Rigor mortis✅
C. Livor mortis PURPLISH DISCOLORATION, DISAPPEARS UPON PRESSURE
D. Post-mortem clot IMMEDIATELY AFTER DEATH,
“CHICKEN FAT” APPEARANCE, “CURRANT JELLY” BLOOD VESSELS, “RUBBERY CONSISTENCY”
A surgical specimen for frozen section should be submitted:
A. fresh
B. frozen
C. fixed with 10% NBF
D. immersed in saline
A. fresh
In cold knife procedure, what is the optimum temperature of the knife?
A. -40 to -60 °C
B. -5 to -10 °C
C. 0 to -10 °C
D. -18 to -20 °C
A. -40 to -60 °C✅
B. -5 to -10 °C TISSUE
C. 0 to -10 °C ENVIRONMENT
D. -18 to -20 °C CRYOSTAT
Maria, an intern assigned at histopathology section, received a brain sample labeled C24- 1912 in the laboratery. Based on standard labeling protocols, what does the “C” in the label mest likely indicate?
A: Surgleal speeimen
B: Autopsy specimen
C. Cytology specimen
D. Cytochemistry specimen
C. Cytology specimen
All are factors that ensure complete surface penetration by the fixative, EXCEPT:
A. Pressure
B. Volume
C. Temperature
D. pH
A. Pressure✅
B. Volume 20x THE VOLUME OF TISSUE
C. Temperature ROOM TEMPERATURE
D. pH NEUTRAL (BETWEEN pH 6-8)
All are factors that retard the fixation process, EXCEPT:
A. Presence of fats, mucus and blood
B. Cold temperature
C. Thick tissue sections
D. Agitation
D. Agitation HASTENS/ENHANCES/ACCELERATES
All of the following are chromate fixatives,
A. Chromic acid
B. Regaud’s fluid
C. Orth’s fluid
D. B-5 fixative
D. B-5 fixative
MERCURIC CHLORIDE FIXATIVE
All of the following are physical preservation of tissue, EXCEPT:
A. Heat
B. Cryogreservation
C. Vapor
D. Microwave
C. Vapor
Which of the following is an example of a physical method of tissue fixation?
A. Perfusion
В. Immersion
C. Microwave
D. Vapor
C. Microwave
Aldehydes fixatives such as formalin fixes tissue by:
A. causing a loss of color
B. forming cross links
C. forming formic acid
D. facilitating numerous staining techniques
B. forming cross links
To prepare a 10% solution of formalin, which of the following amounts of water should be added to 100 mL of stock formaldehyde?
A. 100 mL
В. 900 mL
C. 450 mL
D. 9,000 mL
В. 900 mL