Why are the bacilli arranged at angles to each other?

1033

---

Which are the theories of gram staining?

1143

---

What is beaded appearance of mycobacteria?

1068

---

What other methods are available for staining mycobacteria?

1056

---

Is benzalkonium chloride a quaternary ammonium compound?

1111

---

How are hemodialyzers and endoscopes disinfected?

1182

---

Which iodine compounds are used in antiseptics?

1129

---

Which are the bacteria or bacterial component that can’t be stained by gram stain?

1010

---

How are the clinical specimen disinfected before discarding?

1072

---

What is polychrome methylene blue?

1111

---

What are the various modifications of gram stain?

990

---

How do quaternary ammonium compounds kill bacteria?

1130

---

What are the conditions when gram positive bacteria can appear gram negative?

1130

---

Who introduced acid fast staining?

1108

---

What are the precautions to be taken while preparing or observing smears for afb?

1240

---