Gamma-hemolysis on a blood agar plate would likely appear: Select one: a. As no change in the medium b. Blue c. Yellow d. Green e. As a clearing.
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2.
Gamma-hemolysis on a blood agar plate would likely appear:
Select one:
a. As no change in the medium
b. Blue
c. Yellow
d. Green
e. As a clearing.
Step by step
Solved in 3 steps
- Briefly explain how the following can affect the quality of stained blood film; I) .The size of the blood drop used for the preparation of the filmi ii. A delay in smear preparation III). The angle of spreadiv). humidity of the laboratory environmentv). Pressure 2. Describe five characteristics of an ideal smear1. Define and Describe aseptic technique in blood collection. 2. Explain the action of SPS as anticoagulant for blood culture.Personnel handling cytotoxic agents may be exposed by the following methods EXCEPT: Select one: O a. Ingestion O b. O C. O d. Absorption Intravenously Inhalation
- 1. Why is it necessary to avoid underfilled blood samples in anticoagulant evacuated tubes? 2. Explain the purpose of thixotropic gel in a blood collection tube. 3. What is the rationale behind the sequence of the order of draw? a. Sterile tube (blood culture) b. Blue-top coagulation tube C. Serum tube (glass) with no additive d. Serum tube with clot activator, with or without е. Heparin tube with or without gel plasma separator f. EDTA tube g. Glycolytic inhibitor tube 4. What are the potentially affected tests if an evacuate tube with silica clot activator was filled first before a blue-top coagulation tube?38. I- The proper way of transferring a blood sample to an evacuated tube is to push the plunger forcefully to expel the last drop from the syringe. Il- When a blue top is wet, wipe off the inner lining of the tube to avoid contamnination and falsely elevated coagulation studies results. O A. If First statement is CORRECT and second is WRONG O B. If First statement is WRONG and second is CORRECT O C. If BOTH statements are CORRECT O D. If BOTH statements are WRONG 39.1- In the order of draw, tubes for testing glucose levels are filled first prior to tubes used for testing cholesterol levels. Il- When selecting a vein for venipuncture, the basilic vein is usually the vein of choice for obese patients. O A. If First statement is CORRECT and second is WRONG O B. If First statement is WRONG and second is CORRECT O C. If BOTH statements are CORRECT O D. If BOTH statements are WRONG32. 1- When handling Chemo patients who have damaged and hardened veins, using a lateral needle direction is advisable to avoid further damage. Il- Additional pressure should be applied to the puncture site following needle removal when petechiae is seen on the arm of the patient. O A. IF First statement is CORRECT and second is WRONG O B. If First statement is WRONG and second is CORRECT O C. If BOTH statements are CORRECT O DIf BOTH statements are WRONG
- 1. What is the key ingredient of hand sanitizers?  include a image of the chemical structure of the ingredient and explain how it works 2. What did Ignacio Semmelweis discover? Describe the situation and what he recommended to the medical community 3. Draw and explain the procedure for staining a blood smear.6. Which of the following statement is the most appropriate for the description of a sample which has been filtered with 0.2 um syringe filter A. The sample is sterile B. All bacteria in the sample are removed C. Most of the cells or substances larger than 0.2 um are removed D. The sample was cleaned
- 1. Describe the three different type of hemolysis that are observed on blood agar.2. What is a selective medium?3. What is a differential medium?4. Which media can be used to isolate E. coli samples from contaminated lettuce?5. Which two media would be used to identify a sample taken from a patient with suspected gonorrhea?6. Would you be able to grow a sample obtained from a patient's wound (suspected to be infected with MRSA) on EMB? Explain.7. What is the color or TSI for Salmonella?8. What is a fastidious organism?1. Differentiate the 2 specific types of VDRL namely: 1.1 quantitative VDRL 1.2 qualitative VDRL 2. Describe the principle behind the RPR (Rapid Plasma Reagin) Test. 3. What precautionary measures should be observed in the collection and preparation of specimen for VDRL examination?If you prepared a tube with 10-2 dilution and from this 0.1 ml ia taken into 9 ml medium, the new tube will have: Select one: а. 10-1 b. 10-5 C. 10-3 d. 10-4 e. 10-2 CLEAR MY CHOICE