medical MCQs – Page 109

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 Review each marked answer and report any item that may be outdated or unclear.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

2161. The cell wall deficient bacteria_______________?
0

A. Ehrlichiae

B. Mycoplasma

C. Rickettsiae

D. Chlamydiae

2162. Components of innate immunity that are active against viral cells includes______________?
0

A. B cells

B. Memory B cells

C. Cytotoxic T cells

D. NK Cells

2163. Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?
0

A. Capsule

B. nucleus

C. wall

D. membrane

2164. Dry heat destroys microorganisms by_____________?
0

A. Oxidation

B. Hydrolysis of DNA

C. Coagulation of proteins

D. Lysis

2165. Pathogenic treponemas can be maintained in________________?
0

A. Rabbit testis only

B. Tissue culture

C. Chick embryos

D. Artificial media

2166. Which of the following organisms are arranged in cubical packets of eight cocci________________?
0

A. Aerococcus

B. Micrococcus

C. Sarcina

D. Staphylococcus

2167. IL-1 and TNF a during inflammation are secreted by______________?
0

A. Platelet

B. Lymphocytes

C. Activated macrophages

D. Plasma cells

2168. The key cell types involved in the acquired immunity include all EXCEPT________________?
0

A. B lymphocytes

B. Erythrocytes

C. T lymphocytes

D. Antigen presenting cells (APC

2169. The anaphylaxis should be treated first with_____________?
0

A. Antibiotics

B. Epinephrine

C. Anti histamines

D. Steroids

2170. Phase contrast microscopy is based on principle of__________________?
0

A. Light attenuation

B. Different reflective indices of object

C. Light scattering

D. Different refractive indices of object

2171. The chemotactic factor is______________?
0

A. C4a

B. C3b

C. C5a

D. C2a

2172. Flash pasteurization of milk is done at what temperature______________?
0

A. 72C for 5 minutes

B. 72 for 15 20 Sec

C. 125C for new seconds

D. 60C for 15 minutes

2173. Out of the following hypersensitivity reactions, in which type a single dose of the antigen can act as both the sensitizing and shocking dose_______________?
0

A. Contact dermatitis

B. Serum sickness

C. Anaphylaxis

D. Arthus reaction

2174. The facultative anaerobic bacteria are those who are_______________?
0

A. Unable to grow in the absence of oxygen

B. Able to grow in the presence of carbon dioxide

C. Unable to grow in the presence of oxygen

D. Able to grow in the presence of absence of oxygen

2175. Which of the following are non-spore forming anaerobic bacteria that asume major significance in disease processes________________?
0

A. Peptostreptococcus anaerobius

B. Fusobacterium nucleatum

C. All of the above

D. Bacteroides fragilis

E. Actinomyces Israeli

2176. In penicillin allergy, penicillin acts as a_______________?
0

A. Carrier

B. Hapten

C. Toxin

D. Super antigen

2177. Blood agar is________________?
0

A. Simple media

B. Transport media

C. Differential media

D. Enriched media

2178. IgG antibodies have a half-life of approximately_______________?
0

A. 1 week

B. 1 hour

C. 1 Month

D. 1 day

2179. The earliest identifiable cells of T-Cell lineage during maturation are_______________?
0

A. CD5+ Pre-T-Cells

B. CD8+ Pre-T-Cells

C. CD8+ Pro-T-Cells

D. CD7+ Pro-T-Cells

2180. Chemotactic cytokine is_________________?
0

A. IL-8

B. IL-1

C. IL-6

D. TNF

Previous Next

Showing 2161 to 2180 of 10266 mcqs