APPG 2013 MDSET Exam Question Paper and Answer Key – Q. 51 to Q. 75

Following are the questions framed in the APPG 2013 MDS Entrance test in Andhra Pradesh, by the NTR University of Health Sciences. These are the questions from no. 51 to 75. Check out the below links for the various parts:

• APPG 2013 MDSET Question Paper & Key – Part 1
• APPG 2013 MDSET Question Paper & Key – Part 2
• APPG 2013 MDSET Question Paper & Key – Part 3
• APPG 2013 MDSET Question Paper & Key – Part 4

NOTE: Not all the answers are perfectly answered, and there could be mistakes. Do let me know in the comments if you feel any answer is given wrong. Please do not copy the questions and answers without permission and linking.

51. The primary tooth having greatest faciolingual diameter of its crown is the

1. Maxillary first molar
2. Maxillary second molar
3. Mandibular first molar
4. Mandibular second molar

Ans: 2

52. In comparison with the permanent mandibular canine, the permanent maxillary canine in the same mouth______

1. has a shorter root
2. is wider mesiodistally
3. is narrower mesiodistally
4. has a less pronounced cingulum

Ans: 2

53. Long connective tissue papillae and keratinized epithelia are a feature of these parts of oral mucosa

1. Gingiva and alveolar mucosa
2. Hard palate and gingiva
3. Buccal and alveolar mucosa
4. Hard and soft palate

Ans: 1

54. A joint in which two bones are joined directly by fibrous tissue is known as

1. Symphysis
2. Synchondrosis
3. Syndesmoses
4. None of the above

Ans: 3 or could be 4 if its Gomphoses

55. The cap stage in tooth development is characterized by

1. Morpho differentiation
2. Reversal of functional polarity
3. Formation of hammock ligament
4. Increased mitotic activity

Ans: –

56. The major functional difference between DNA and RNA is

1. RNA contains ribose
2. DNA carries the information in all organisms
3. DNA is localized in nucleus
4. RNA doesn’t contain thymine

Ans: –

57. The Oral and Pharyngeal phases of swallowing take place very rapidly and last about

1. 3.5 seconds
2. 1 – 1.5 seconds
3. 6.0 seconds
4. 9.5 seconds

Ans: 2

58. In mineralization which of the following is known as Epitaxy

1. Booster mechanism
2. Seeding theory
3. Alkaline phosphatase theory
4. Cartier’s adenosine triphosphate theory

Ans: 2

59. The major lipids that make up the cell membrane are

1. Triglycerides
2. Spingomyelins
3. Phospholipids
4. Steroids

Ans: 3

60. The most important function of HCL acid in stomach is

1. Hydrolysis of proteins
2. Neutralization of chyme
3. Activation of Pepsinogen
4. Destruction of bacteria

Ans: 2

61. Quinine is obtained from CINCHONA _______

1. Root
2. Bark
3. Leaves
4. Seed Capsule

Ans: 2

62. Which of these is NOT a Cardio Selective Beta-1 Blocker?

1. Atenolol
2. Propranolol
3. Acebutolol
4. Esmolol

Ans: 2

63. The principal therapeutic action of the glucocorticoid is

1. Antidiuretic
2. Antianabolic
3. Anti-infective
4. Anti-inflammatory

Ans: 2 or 4

64. Roxithromycin is

1. A long acting macrolide
2. Short acting quinolone
3. Short acting macrolide
4. Long acting polypeptide

Ans: 1

65. The drug of choice for treating actinomycosis is

1. Penicillin
2. Chloramphenicol
3. Erythromycin
4. Clindamycin

Ans: 1 or 4

66. In which one of the following salivary gland tumors, the tumor is composed of Intermediate Cells histologically?

1. Adenoid Cystic Carcinoma
2. Mucoepidermoid Carcinoma
3. Pleomorphic Adenoma
4. Warthin’s Tumor

Ans: 2

67. Multiple bilateral dentigerous cysts are seen in

1. Down’s syndrome
2. Maroteaux-Lamy syndrome
3. Treacher-Collin syndrome
4. Gorlin-Goltz syndrome

Ans: 2

68. The most distinctive microscopic feature, the so-called ‘Hyaline ring’ is seen in which one of the following tumors?

1. Ameloblastoma
2. Ameloblastic fibroma
3. Adenomatoid Odontogenic tumor
4. Pindborg tumor

Ans: 3

69. Canker sore is otherwise commonly known as

1. Recurrent apthous ulcer
2. Pimary herpetic gingivostomatitis
3. Acute necrotizing ulcerative gingivitis
4. Recurrent herpes labialis

Ans: 1

70. In which one of the following conditions, the clinic appearance occasionally has been known to mimic oral hairy leukoplakia?

1. Chronic candidiasis
2. Uremic stomatitis
3. Nicotine stomatitis
4. Lichen planus

Ans: 1

71. The key cell types involved in the acquired immune response include all EXCEPT

1. B Lymphocytes
2. Erythrocytes
3. T Lymphocytes
4. Antigen Presenting Cells (APC)

Ans: –

72. Vincent’s Angina is caused by

1. Streptococci
2. Corynebacterium
3. Fusospirochaetal complex
4. Treponema Pallidum

Ans: 3

73. All the following statements are true regarding cervicofacial actinomycosis, EXCEPT

1. 10-20% of Actinomycosis occur in Cervicofacial region
2. The discharging pus contains visible “Sulphur granules”
3. Cultures on blood agar often produce a typical ‘molar tooth’ morphology
4. There is usually history of trauma such as tooth extraction or a blow to the jaw

Ans: 1

74. Incubation period for measles is

1. 12-15 days
2. 20-25 days
3. 30-35 days
4. more than 6 weeks

Ans: 1

75. The principal immunoglobulin found in saliva is

1. IgA
2. IgM
3. IgG
4. IgE

Ans: 1