Tagnawa And Sirmata BSWR (Pathology) Flashcards
(150 cards)
Uterus during pregnancy?
a. Anaplasia
b. Hyperplasia
c. Atrophy
d. Metaplasia
e. All of the above
b. Hyperplasia
Cellular adaptation in papillomavirus infection?
a. Anaplasia
b. Hyperplasia
c. Atrophy
d. Metaplasia
e. Hypertrophy
b. Hyperplasia
What is the risk of rupture for an aneurysm measuring 5.5 cm?
a. 1%
b. 11%
c. 20%
d. 25%
b. 11%
A 49 year old had a heartburn for 10 years. Biopsy done revealed glandular changes in the distal epithelium of the esophagus. What is this cellular adaptation?
a. Anaplasia
b. Hyperplasia
c. Atrophy
d. Metaplasia
e. Hypertrophy
d. Metaplasia
The most common cause of cellular injury in clinical medicine?
a. Caseous necrosis
b. Ischemia
c. Apoptosis
d. Autophagy
b. Ischemia
Which of the following is responsible for lymphocyte rolling?
a. Selectins
b. Cytokines
c. ICAM
d. PECAM
e. All of the above
a. Selectins
Which among the following components of the vessel wall is responsible for the capability of blood vessels to expand and recoil?
a. Elastin
b. Collagen
c. Glycosaminoglycan
d. Endothelial cells
a. Elastin
Which of the following is the most important staging factor for malignant tumors?
a. Histologic grade of the tumor
b. Proliferative capacity of the tumor cells
c. Tumor cell karyotype
d. Metastases to regional lymph nodes
d. Metastases to regional lymph nodes
Cytogenetic studies in a patient with chronic myelogenous leukemia (CML) demonstrate a t(9;22) chromosomal translocation. Which of the following best explains the pathogenesis of this tumor?
a. Expansion of trinucleotide repeat
b. Altered DNA methylation status
c. Proto-oncogene activation
d. Enhanced expression of telomerase gene
c. Proto-oncogene activation
Tumor suppressor gene altered in the majority of cancers.
a. STK1
b. APC
c. RB
d. P53
d. P53
A 6-month-old girl has a palpable mass on the left side of her abdomen. Urinalysis shows high levels of vanillylmandelic acid. A CT scan reveals an abdominal tumor and bony metastases. The primary tumor is surgically resected and on histologic studies, the specimen discloses neuroblastoma. Evaluation of the N-myc protooncogene in this child’s tumor will most likely demonstrate which of the genetic changes?
a. Chromosomal translocation
b. Exon deletion
c. Expansion of trinucleotide repeat
d. Gene amplification
d. Gene amplification
A tumor marker useful for breast cancer:
a. CA-125
b. CA-19-9
c. CA-15-3
d. AFP
c. CA-15-3
Alpha-fetoprotein antigen is a tumor marker used in:
a. Liver cell cancer
b. Prostate cancer
c. Ovarian cancer
d. Lung cancer
a. Liver cell cancer
Occupational exposure to this compound is linked to the development of acute myeloid leukemia.
a. Benzene
b. Vinyl chloride
c. BPA
d. Dioxin
a. Benzene
Which of the following is NOT TRUE of the effects of alcoholism on cellular processes?
a. Depletion of NAD impairs fatty acid oxidation leading to steatosis
b. Depletion of NAD impairs conversion of lactate to pyruvate leading to acidosis
c. Reactive oxygen species derived from alcohol metabolism causes lipid peroxidation of hepatocyte membranes
d. Acetaldehyde triggers enterotoxin release from gram-negative bacteria
d. Acetaldehyde triggers enterotoxin release from gram-negative bacteria
Overdose with acetaminophen can be treated by:
a. N-acetylcysteine
b. Naloxone
c. Thiamine
d. Activated charcoal
a. N-acetylcysteine
Peak sensitivity on developing embryo to teratogenic insult occurs in what week?
a. 0-3
b. 4-5
c. 9-10
d. 28-32
b. 4-5
Which of the following fetal growth restriction is most likely to result in asymmetric growth restriction with relative sparing of the brain.
a. Single umbilical artery
b. Trisomy 18
c. Congenital syphilis
d. Congenital rubella
a. Single umbilical artery
PE of a child revealed holosystolic murmur, weak pulses in the lower extremities, hypertension in the upper extremities and notch on the ribs. Which of the following congenital heart defects is most likely?
a. Coarctation of the aorta
b. Patent ductus arteriosus
c. Tetralogy of fallot
d. Pulmonary stenosis
a. Coarctation of the aorta
Which of the following structures of the heart is most susceptible to ischemia?
a. Endocardium
b. Subendocardium
c. Pericardium
d. Sub-pericardium
b. Subendocardium
Which of the following diseases has an MCV of >100
a. Thalassemia
b. Iron deficiency anemia
c. Pernicious anemia
d. G6PD
c. Pernicious anemia
Endothelial lined channel responsible for the exchange of diffusible substances between blood and tissue
a. Arteriole
b. Postcapillary venule
c. Capillary
d. Lymphatics
c. Capillary
Which among the chemicals are associated with the development of angiosarcoma?
a. Betel nut
b. Naphthylamine
c. Polyvinyl chloride
d. Dimethylaminoazobenzene
c. Polyvinyl chloride
It is considered as the most common cause of hypertension.
a. Cardiovascular diseases
b. Neurologic
c. Endocrine
d. Essential hypertension
d. Essential hypertension