Category: Architecture

Applications: 1. Viewing of ultra structure of the cell organelles is made possible.2 Structural details of large bimolecular such as proteins can be studied.3. Minute details of the topographic architecture are possible which is of systematic value as in the case of pollen grains. Image Source: bioimaging.ubc.ca Limitations of electron microscope: ADVERTISEMENTS: Even though electron microscope is a great advancement over the light microscopes in terms of higher magnification and better resolution, there are certain limitations and light microscopes have their own useful role to play in the microbiological laboratory. The limitations imposed by electron microscope are:-1. Hydrated specimens are not to be used; hence live specimens cannot be observed2. Dehydration even if carefully done will cause some distortion ADVERTISEMENTS: 3. Artifacts may appear4. As electrons have a low penetration…

65 Multiple Choice Questions (MCQs) with Answers on “Psychopharmacology” for Psychiatry Post Graduate Students: image source: 435729.medialib.glogster.com1. Tricyclic antidepressants are contraindicated in: A. Glaucoma ADVERTISEMENTS: B. Brain tumourC. Bronchial asthmaD. Essential hypertension ADVERTISEMENTS: 2. Which of the antipsychotic drugs has a prolonged action? A. TrifluperazineB. ThioridazineC. Penfluridol ADVERTISEMENTS: D. Fluphenazine3. The congenital anomaly produced by lithium therapy is: A. Limb shorteningB. AnencephalyC. Heart block D. Renal agenesisAbout 10 percent of newborns exposed in 1st tri­mester of pregnancy had major congenital malforma­tions. The most common is Epstein’s anomaly of the tricuspid valves. Lithium is not indicated in a lactating woman. Signs of is toxicity in infants include lethargy, cyanosis, abnormal reflexes, rarely hepatomegaly.4. All the following are side-effects of Fluoxetine, except: A. Weight gainB. SweatingC. Urinary retentionD. Diarrhea5. Akathisia is treated…