PEBC (Biomedical Sciences) Sample Questions
Categories: PEBC Canada
Ques.1. Folic acid has tetrahydrofolate coenzyme activity which is based on the
a. pyrimidine ring.
b. purine ring.
c. pyrazine ring.
d. pteridine ring.
e. pyridine ring.
Ques.2. Which of the following releases enkephalins?
a. Pineal gland
b. Thyroid gland
c. Periaqueductal grey matter
d. Reticular activating system
e. Pituitary gland
Ques.3. B-Carotene is the precursor of:
a. retinol.
b. thiamine
c. calciferol.
d. riboflavin.
e. retinoic acid.
Ques.4. Which of the following statements regarding transcription is correct?
a. The enzyme responsible for initiating transcription is RNA polymerase.
b. The enzyme responsible for initiating transcription is DNA polymerase.
c. During transcription, the genetic information contained in the nucleotide sequence of tRNA is translated into a protein structure.
d. The process of transcription includes the splicing of exons. e. Following initiation, the next stage of transcription is termination.
Ques.5. Which of the following organisms is an obligate intracellular bacteria, making it resistant to cell wall-active antibiotics?
a. Escherichia coli
b. Legionella pneumophila
c. Staphylococcus aureus
d. Streptococcus pneumoniae
e. Chlamydophila pneumoniae
Ques.6. Which of the following blood vessels transports nutrient rich blood from the intestines to the liver?
a. Hepatic artery
b. Hepatic portal vein
c. Great saphenous vein
d. Inferior vena cava
e. Superior vena cava
Ques.7. The blood volume of the average adult is approximately:
a. 5 L.
b. 10 L.
c. 15 L.
d. 20 L.
e. 25 L.
Ques.8. In adults, community-acquired pneumonia caused by which of the following organisms is associated with the highest mortality rate?
a. Chlamydophila pneumoniae
b. Mycoplasma pneumoniae
c. Haemophilus influenzae
d. Streptococcus pneumoniae
e. Pneumocystis jirovecii
Ques.9. Which of the following is the major inhibitory neurotransmitter in the brain?
a. Gamma-aminobutyric acid
b. Dopamine
c. Glutamate
d. Acetylcholine
e. Glycine
Ques.10. Which of the following enzymes catalyzes the synthesis of DNA from viral RNA?
a. Reverse transcriptase
b. DNA polymerase
c. RNA polymerase
d. Endonuclease
e. Aminoacyl-tRNA synthetase