An alpha helix of a protein is most likely to be disrupted if a missense mutation introduces the following armino acid within the alpha helical structure: 1. Alanine.2. Aspartic acid.3. Tyrosine.4. Glycine.

A diastema between two maxillary central permanent incisors could be associated with the followings, EXCEPT 1) a mesiodens. 2) a congenital absence of permanent maxillary lateral incisors. 3) a large labial frenum. 4) adenomatoid odontogenetic tumour

Which local anesthetic is known for its cardiotoxic effects?1) Lidocaine2) Bupivacaine3) Mepivacaine4) Articaine

Ameloblastoma is the most aggressive:1) Odontogenic tumor2) Benign tumor3) Malignant tumor4) Fibrous tumor

Rapid induction of anaesthesia occurs with which of the following anaesthetic: 1) Isoflurane 2) Halothane 3) esflurane 4) Sevoflurane

What causes clasp breakage in removable partial dentures (RPD)? 1) Excessive force 2) Work hardening 3) Poor design 4) Material fatigue

What is the primary cause of an elevator fracture during tooth extraction?1) Excessive force2) Incorrectly angled elevator3) Weak tooth structure4) Inadequate anesthesia

What is the importance of informed consent in research involving children? 1) It protects the child from unnecessary risk 2) It allows researchers to conduct the study without parental input 3) It ensures the child's confidentiality 4) It is not required for research purposes

The best way to clean a cavity before the placement of GIC is: 1) H2O2 2) Phosphoric Acid 3) Polyacrylic acid 4) Saline

Highest analgesic effect is a feature of:1) Ketamine2) Thiopentone3) Propofol4) Etomidate

What condition is likely if a patient's hands feel warm and moist?1) Hyperthyroidism2) Anxiety3) Congestive heart failure4) Hypothermia

All of the following have stratified squamous epithelium except: 1) Buccal mucosa 2) Pharynx 3) Maxillary sinus 4) Trachea