medical MCQs – Page 195

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 Review each marked answer and report any item that may be outdated or unclear.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

3881. Thinnest labial plate is found in the region of____________?
0

A. Lower canines

B. Upper canines

C. Upper central incisors

D. Lower central incisors

3882. False statement about haemoglobin structure________________?
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A. Iron is present in ferrous state

B. Ferrous ions are in porphyrin rings

C. Hb structurally similar to myoglobin

D. Hb has 2 polypeptide chains

3883. Angular cheilosis is frequently associated with deficiency of______________?
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A. Thiamine

B. Niacin

C. Folic acid

D. Riboflavin

3884. Urea is formed in_____________?
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A. Kidney

B. Liver

C. Intestine

D. Brain

3885. Aromatic ring is present in_____________?
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A. Phenylalanine, Glycine

B. Phenylalanine

C. Arginine

D. Glycine

3886. Within which parts of a gastric gland are chief cells located_____________?
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A. Gastric pit

B. Fundus

C. Neck

D. Isthmus

3887. Histamine stimulate the secretion of_______________?
0

A. Gastrin by stomach

B. Amylase by salivary gland

C. HCL by stomach

D. Pancreatic enzymes

3888. Vitamin B12 acts as a coenzyme to which one of the following enzyme ?
0

A. Homocyteine methyl transferase

B. Isocitrate dehydrogenase

C. G-6-P dehydrogenase

D. Glycogen synthase

3889. Alkaptonuria, an inherited metabolic disorder of L0tyrosine metabolism is due to lack of_____________?
0

A. Homogentisate oxidase

B. Tyrosine transaminase

C. Tyrosine oxidase

D. Parahydroxy phenyl pyruvate Hydroxylase

3890. The intrinsic factor for vitamins B12 absorption is produced in the______________?
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A. Stomach

B. Liver

C. Pancreas

D. Duodenum

3891. All the following causes the secretion of gastric juice during cephalic phase EXCEPT______________?
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A. Sight of food

B. Thought of food

C. Food in the mouth

D. Food in the stomach

3892. Urea is produced by the enzyme_____________?
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A. Uricase

B. Arginase

C. Urease

D. Glutaminase

3893. The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines _____________?
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A. At the linguo cervical ridges

B. Immediately incisal to cingulam

C. At the junction of middle and cervical thirds

D. Within the incisor thirds

3894. The process of transfer of information from the RNA to the proteins is called______________?
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A. Transcription

B. Mutation

C. Translation

D. Conjugation

3895. Not a glycoprotein_______________?
0

A. FSH

B. TSH

C. GH

D. LH

3896. Progesterone production in the ovary is primarily by______________?
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A. Mature follicles

B. Stroma

C. Corpora albicans

D. Corpora lutea

3897. Deficiency of which vitamin causes glossitis dementia roughed keratotic areas on skin and gastrointestinal symptoms ?
0

A. Niacin

B. Pantothenic acid

C. Pyridoxine

D. Riboflavin

3898. Daily Vitamin A intake___________?
0

A. 3000 I.U

B. 4000 I.U

C. 2000 I.U

D. 1000 I.U

3899. All are genetic amino acid deficiency disease except___________?
0

A. 6alactosemia

B. Alkaptonuria

C. Phenyl ketonuria

D. Homocystinuria

3900. Xerophthalmia is caused by_______________?
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A. Vitamin K deficiency

B. Vitamin C deficiency

C. Vitamin D deficiency

D. Vitamin A deficiency

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