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- Question 6 In the first part of the experiment, there were only a few colonies on the streptomycin positive plate. In the second part, there are a large number of colonies on the streptomycin positive plate that was inoculated with the antibiotic resistant strain. What is the most likely explanation for this difference? 1. The antibiotic resistant strain was composed of a large number of individuals with resistance to streptomycin 2. The exposure to streptomycin caused a mutation in a few individualsQUESTION 13 13. How many minutes is an acceptable time for a centrifuge to spin blood specimens? a) 10 - 15 minutes b) 5 - 8 minutes c) 20 - 25 minutes d) 25 - 30 minutes QUESTION 14 1. What are the types of centrifuges? a)swinging-bucket or angled b)Fixed-head rotor c) Ultra-centrifuges d) all the answer are correct.Question 1: Suppose you have given 5 tablets weighing 449mg, 450mg, 448mg, 451mg and 453mg, respectively. Calculate 300 mg equivalent sample weight for assay. The product claim is 500 mg Vitamin C is present in each tablet. Question 2: Volume of the standard sodium edetate is 12.6 mL (calculated after the assay of Zinc Sulfate Syrup). Determine the % of potency of the drug considering the claimed dose is 11.5
- Question 2 You are checking a calculation that a foundation pharmacy student has performed. The question asks that 120 suppositories weighing 1 gram are to be made, containing 300mg Zinc Oxide. The displacement value of ZnO is 4.7 in the base that is to be used. How many grams of base would be required? units - g Answer to 2 decimal places Amount of base required = theoretical amount – displaced amount Where; Displaced amount = (amount of drug in g/DV of drug).Question 6 sample result of ESR is below. a. Kwame - 34yrs -7mm/hr b. Adjoa - 55yrs - 10mm/hr c. Musa - 52yrs - 74mm/hr d. Anita - 27yrs - 40mm/hr e. Charles - 30yrs- 90mm/hr f. Chioma - 27yrs - 20mm/hr Reference ranges Males below 50yrs 0-15mm/hr Female below 50yrs 0-20mm/hr Males over 50yrs 0-20mm/hr Females over 50yrs 0-30mm/hr (I) Comment on test result a, c, d, & f (II) If you are a laboratory scientist, will you validate sample b & e? If yes why and if No why. (III) ESR is non-specific. How? (IV) Why is ESR high in femalesQuestion: 16. Overfilling a culture bottle that will be used in an automated system where bacterial growth is assessed by monitoring CD, levels can lead to a. false-negative results b. false-positive results 17. The optimal volume for blood-culture collection on adults is a. 20 mL of blood per bottle b. precisely 10 mL of blood in each of two bottles c. 20 mL of blood distributed betvveen two bottles but not exceeding 12 mL per vial d. dependent upon the patient's body weight
- QUESTION 10 Remdesivir is converted in vivo to CMP analog and then phosphorylated to CTP analog. a successful treatment for Ebola. There are more than 1 correct answers in the other choices. a potential chain terminator for the replication of RNA viral genomeQUESTION 16 In Tipper's negative priming task, participants are ____________ to say the name of a probe object when that object was just previously _______________. a. slower; attended to b. faster; ignored c. slower; ignored d. faster; attended to e. none of the aboveQuestion 24 pts When we are vaccinated against SARS-CoV-2, what happens? (select all correct answers) Group of answer choices a) Our adaptive immune system becomes primed to recognize the SARS-CoV-2 virus. b) Our DNA becomes modified. c) We will permanently have viral proteins in our cells d) Our cells will make a partial or complete viral protein, which our immune system will recognize as foreign. e) Memory cells will be ready for a new infection.
- QUESTION 3 3.1. How does interobserver variation contribute to the reliability of test results? 3.2. A liver cancer screening study is being conducted in Rustenberg, South Africa using an alpha- fetoprotein (AFP) blood test. Results indicate that of the 2900 subjects screened, 180 have a positive test result. If 107 of these subjects have liver cancer, what is the positive predictive value of the AFP test? 3.3. Describe the relationship between incidence and prevalanceQUESTION 10 A 48-year-old female patient has breast carcinoma and presents to the hospital outpatient unit complaining of low energy. The physician orders hemoglobin and hemocrit counts, which were performed. After evaluation, it is determined the patient has anemia in neoplastic disease. The physician orders 3 units of packed red blood cells, which are transfused on the unit. Which coding is best for the blood products? (See the HCPCS options below.) HCPCS Code Descriptor P9010 Whole blood for transfusion, per unit P9021 Red blood cells for transfusion, per unit P9060 Fresh frozen plasma for transfusion, per unit, donor retested P9615 Catheterization for collection of specimen P9045 Infusion, albumin, 5%, 250 ml A. P9021 B. P9021 X 3 C. P9045, P9060 D. P9010 X 3, P9615Are these all correct? Last two questions are 8. What is the critical value? Round to two decimal places. 9. What is your conclusion from the chi-square test? option 1: Fail to reject H option 2: Reject Ho