medical MCQs – Page 405

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

8081. Muscles which open the glottis are________________?
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A. Thyroarytenoid

B. Cricothyroid

C. Lateral cricoarytenoid

D. Posterior cricoarytenoid

8082. The oesophagus commences at the following level_________?
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A. Lower end of cricoid

B. C5 vertebra

C. 10 cm from incisor teeth

D. C7

8083. Thyroid gland develops rom________________?
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A. Notochordal process

B. Rathkes pouch

C. Embryonal disc

D. Thyroglossal duct

8084. Nasolacrimal duct opens into________________?
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A. Middle meatus

B. Superior meatus

C. Inferior meatus

D. none of the above

8085. Part of the heart lying in front of oesophagus_____________?
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A. Right ventricle

B. Right atrium

C. Left atrium

D. Left ventricle

8086. True about subclvatian artery_______________?
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A. Internal thoracic, verterbraland thyro cervical trunk are branches of subclavian artery

B. Principal artery of upper limb

C. Right subclavian artery is a branch of brachioceplialic artery

D. All of the above

E. Left subclavian artery is a branch of arch of aorta

8087. Muscle involved in the rotation and protrusion of the mandible_______________?
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A. Temporalis

B. Medial pterygoid

C. Digastric

D. Masseter

8088. IN an adult, the spinal cord end at the level of_______________?
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A. L3

B. Lower border of LI

C. L2

D. L4

8089. Foramen transversarium transmit______________?
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A. Vertebral artery

B. Inferior petrosal sinus

C. Sigmoid sinus

D. Inferior jugular vein

8090. The primordia of the cranifoacial complex develops______________?
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A. Notochordal process

B. Blastopore

C. Hensens node

D. Cloacal membrane

8091. All of the following are true of maxillary artery except___________________?
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A. It is the arterial supply for mandible

B. The branches of maxillary artery accompany the branches of maxillary nerve

C. It passes deep between the two heads of lateral pterygoid muscle into the pterygo palatine fossa

D. It is one of the terminal branches of ECA

8092. Facial artery is a branch of the________________?
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A. Maxillary artery

B. External carotid artery

C. Internal carotid artery

D. Superficial temporal

8093. Nucleus in brain common to IX, X and XI cranial nerves____________?
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A. Red nucleus

B. Nucleus solitarius

C. Nucleus ambiguous

D. Dentate nucleus

8094. Muscles of the tongue are derived from__________________?
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A. Preoptic myotome muscles

B. Lateral lingual swelling

C. Occipital myotomes

D. 1st pharyngeal swelling

8095. Spheno mandibular ligament is developed from________________?
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A. first arch

B. Second arch

C. Fourth arch

D. Third arch

8096. Which of the following muscles has dual nerve supply ?
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A. Masseter

B. Digastric

C. Temporalis

D. Lateral pterygoid

8097. Holocrine secretion is seen in_____________?
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A. Sebaceous glands

B. Gastric

C. Mammary

D. Salivary

8098. Ligamentum denticulaum is________________?
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A. Arachnoid extension only

B. Only a pair of pial extension

C. Extends to sacral segments only

D. A dural derivative

8099. Hyoid bone is a derivative of_______________?
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A. Second and third pharyngeal arches

B. Fourth pharyngeal arch

C. First and second pharyngeal arches

D. First pharyngeal arch

8100. Which of the following is not a neuroectodermal derivative ?
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A. Neurons

B. Paneth cells

C. Schwann cells

D. Odontoblasts

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