BIOCHEMISTRY, BIOMEDICINE & PHARMACEUTICS

Multiple Choice Question on Fungi and Fungal Infections 1) What are the different types of medically important fungal infections?  Select from all the options below a) Aspergillosis b)Dermatophytosis  c) Mucormycosis d) Toxoplasmosis 2) Which of the following is Not a common cultural characteristics of fungi? a) They are heterotypic eukaryotic microorganisms b) The cell wall is composed of chitin c) Fungi reproduce asexually only d) Can cause superficial and systemic diseases 3) Which of the following dimorphic fungus is a medically important human pathogen that can cause severe respiratory infections? a) Cryptococcus neoformans b) Histoplasma capsulatum c) Mucor racemosus d) Aspergillus niger 4) Various components of fungi contribute to the laboratory identification and detection of the organism, including features of the fungal cell wall. Identify the components: a) Hyphae / mycelia b) Consists of a stalk / stem c) Consists of a fruiting bo...

40 plus questions - Multiple Choice Questions on Classification, Culture, and Identification of the microorganisms 1. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? a)  Streptococcus pneumoniae b)  Staphylococcus aureus c)  Chlamydia trachomatis d)  Neisseria meningitidis 2. What are the different growth morphology and cell structures used for the classification of fungi? Select all the correct answers: a) Yeast b) Mold c) Mycelia d) Protozoa 3. Which of the following media is formulated with additional nutrients to support the growth of fastidious or nutritionally demanding bacteria that may not grow well on basic media? a) Differential media b) Enriched media c) Nutrient agar (media) d) Selective media 4. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of  E. coli ? a) Hydrogen sulfide formation b) Indole Formation c) Lactose fe...

Fungi causing opportunistic mycoses ( Aspergillus spp, black fungus) Multiple Choice Questions 1)Which of the following are the important opportunistic fungal infections?  Select all the correct options: a) Aspergillosis b) Listeriosis c) Oculomycosis d) Mucormycosis    2) Which of the following statement is Not the general characteristics of Candida albicans ? a) It is found as normal flora in the human body b) It is a commonly found yeast infection c) It appears in two forms yeast and filamentous form  d) It is the most common pathogen of respiratory infections  3) Which of the following pathogenic fungus is a part of human microbiota? a) Aspergillus niger b) Cryptococcus neoformans c) Candida albicans  d) Rhizopus oryzae 4) Zygomycosis /  mucormycosis is usually caused by   which of the following fungi?  Select all the correct answers: a) Plasmodium spp b) Rhizopus spp c) Mucor spp d) Histoplasma spp ...

                         MCQs on Fungi culture and identification 1. A 43-year-old woman, presents to her dermatologist with complaints of persistent, itchy skin lesions on her arms and legs. She describes the lesions as red, scaly patches that have been gradually spreading over the past few weeks. The patient has a history of diabetes, and her blood glucose levels have been fluctuating recently. Upon examination, the dermatologist observes erythematous, annular lesions with a raised border on the patient's arms and legs. Some lesions have a central clearing, typical of a fungal infection. Considering her medical history, the dermatologist suspects a dermatophyte infection, possibly tinea corporis. The dermatologist collects skin scrapings from the edge of one of the lesions using a scalpel blade. The collected specimen is placed in a sterile container. The skin scrapings are sent to the microbiology laboratory for fungal ...

                    Multiple choice questions on Microorganisms related to Sexually transmitted                                    diseases (STD) 1. Which of the following infection are the most common STDs / STIs worldwide? Select all the correct answers: a) Gonorrhea b) Chlamydiasis c) Syphilis d) Giardiasis       e) HIV infection 2. What are the common signs and symptoms of early or "primary syphilis" infection? a) Painful chancre, sore in the face b) High-grade fever with body aches c) Painless chancre, sore in the genital or mouth     d) Bullous pemphigoid infecting the limbs 3. Which of the following drug, also considered a last line drug for treatment has shown resistance to gonorrhea in recent years? a) Gentamycin b) Ceftriaxone    c) Hydroxychloroquine d) Sulfonamides 4) Which of the following ty...

                    MCQs on Staining methods in diagnostic microbiology   1. What is the purpose of a decolorizing agent in the Gram staining process? a) To make the bacteria more visible under the microscope b) To stain the bacterial capsules   c) To differentiate between Gram-positive and Gram-negative bacteria      d) To enhance flagella visibility 2. Which of the following is the primary stain used in acid-fast staining to identify acid-fast bacteria? a) Crystal violet b) Carbol fuchsin red      c) Malachite green d) Safranin 3. What is the purpose of negative staining method? a) To stain the background around the microorganisms       b) To stain the bacterial cells c) To stain the capsule structure of the microoragnisms d) To stain the flagella of the microorganisms 4. Which of the following staining method is commonly used to used to visualize and study bacterial flag...

           MCQ on Laboratory diagnosis of the diseases caused by bacteria, fungi, and viruses 1) Select all the important procedures that are required when performing the routine collection method of microbial specimens a. A specimen should be collected in a sterile container b. A specimen should be properly labeled with the patient's name, date, and time of collection c. A specimen should be collected by using a sterile cotton swab or collection needles  d. A specimen should be collected only after the start of antibiotic therapy  2) Which of the following is the correct volume size of blood specimen taken from the adult patient for the routine laboratory diagnosis of the infection and the identification of the possible pathogen? a. 1 ml b. 10 ml      c. 20 ml d. 0.5 ml 3) Which of the following specimens are appropriate clinical specimens and are commonly used for the proper diagnosis of Salmonellosis?  Select all the correct...