Medical MCQs

5099 MCQs  (Page 195 of 510)

Multiple drug resistance of bacteria depends on which of the following_______________?
A. Resistance transfer factor (rtf)
B. Colicigenic factor (col)
C. Fertility factor (f+)
D. All of the above
The major antiseptic value of soap lies in its ability to_____________?
A. Kill mircobes
B. Remove microbes
C. Inhibit microbial growth
D. Dehydrate microbial cells
Most antibodies are produced in the________________?
A. Heart and the liver
B. Brain and the meninges
C. Thymus and the appendix
D. Spleen and the lymph nodes
The optimal time and temperature required for sterilization in an autoclave is___________________?
A. 140°c x 2 hrs. x 10 lbs pr.
B. 121°f x 15 mts. x 15 lbs pr.
C. 121°f x 15 sec. x 15 lbs pr.
D. 121°c 15 mts. x 15 lbs pr.
Synthesis of antibodies in plasma cells occurs in_________________?
A. Golgi body
B. Endoplasmic reticulum
C. Nucleus
D. Mitochondria
Which of the following is an enrichment medium________________?
A. Blood agar
B. Selenite f broth
C. Mac conkey agar
D. Nutrient broth
Dark ground microscopy is useful to identify______________?
A. Mycoplasma
B. Chlamydiae
C. Rickettsiae
D. Spirochaetes