PHARM Graded Exam 4

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Liberty University *

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306

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Biology

Date

Apr 3, 2024

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11

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Skip to main content My Account Page path PHARM103_MH_V2 Topic 17: Nutrition, Fluids, and Diuretics Started on Saturday, September 16, 2023, 5:12 PM State Finished Completed on Saturday, September 16, 2023, 5:29 PM Time taken 16 mins 38 secs Grade 120.83 out of 125.00 ( 97 %) Question 1 Correct 4.17 points out of 4.17 Flag question Question text Identify an accurate statement about sulfonamides. Select one: a. Their duration of action is usually long. b. They are obtained from microorganisms in the soil. c. They are competitive antagonists of para aminobenzoic acid. d. The introduction of the penicillins leads to the alteration of the basic structure of sulfonamides. Question 2 Correct 4.17 points out of 4.17 Flag question Question text Select the statement that best explains why it has not been possible to develop a vaccine for HIV. Select one: a. HIV rapidly replicates and undergoes mutations so frequently that even small changes in its proteins make the virus unrecognizable to host immune cells. b. The current understanding of the metabolic process and identification of the subtypes of HIV is not yet
enough to create a vaccine that would protect against all of the subtypes of HIV. c. The macrophages, dendritic cells, and T and B cells interact with the protein components of HIV; therefore, no vaccine can be developed until a solution to the interaction between the cells of the body and the protein components is found. d. None of these are correct. Question 3 Correct 4.17 points out of 4.17 Flag question Question text Select the true statement about HIV and the immune process. Select one: a. HIV attacks lymphocytes so that the human host is progressively immunosuppressed and cannot fight disease. b. Patients become susceptible to multiple infections such as candidiasis, pneumonia, tuberculosis, and toxoplasmosis. c. A deterioration of cell-mediated immunity permits patients to develop secondary cancers. d. All of these are correct. Question 4 Correct 4.17 points out of 4.17 Flag question Question text Which of the following are the two dyes that the gram stain contains? Select one: a. Crystal violet and safranin b. Crystal violet and methylene blue c. Methylene blue and safranin d. Iodine and methylene blue Question 5 Correct 4.17 points out of 4.17 Flag question Question text Which of the following statements is true of the cleaning techniques used to eliminate bacteria? Select one: a. Glutaraldehyde solution is used to remove microorganisms on the skin prior to puncturing the vein to obtain blood. b. An iodophor swab is used for a short swabbing procedure before obtaining blood for a routine blood test.
c. Alcohol or iodophor solutions should be used to disinfect surfaces before the use of soap or detergent if dirt or organic matter has accumulated on the surface. d. None of these are correct. Question 6 Correct 4.17 points out of 4.17 Flag question Question text Dr. Schneiderwants to obtain a sample of Laura's blood for a routine blood test. He uses an antiseptic swab to clean the skin before using a hypodermic syringe. After he obtains a sample, Dr. Schneider asks Laura to hold some cotton on the site of the injection. He explains that the antiseptic used increases bleeding. Which of the following chemicals is most likely to be part of the antiseptic solution? Select one: a. Chlorhexidine b. Sodium hypochlorite c. Isopropyl alcohol d. Povidone-iodine Question 7 Correct 4.17 points out of 4.17 Flag question Question text _____ is a diuretic that is used to treat acute mountain sickness and glaucoma. Select one: a. Mannitol b. Isosorbide c. Furosemide d. Acetazolamide Question 8 Correct 4.17 points out of 4.17 Flag question Question text The filtration of substances from the blood into the nephrons occurs in the: Select one: a. nephron loop. b. collecting duct. c. proximal convoluted tubule.
d. glomerulus. Question 9 Correct 4.17 points out of 4.17 Flag question Question text Tumor cells detach from their location and relocate in other areas of the body that are referred to as _____. Select one: a. origination sites b. fringe sites c. secondary sites d. peripheral sites Question 10 Correct 4.17 points out of 4.17 Flag question Question text Identify the true statement about macrophages. Select one: a. Macrophages release interleukins that activate the T-cells. b. Macrophages are classified as antigen-presenting cells. c. Macrophages kill cells by releasing cytotoxic chemicals such as perforins. d. Macrophages produce immunoglobulins or antibodies. Question 11 Correct 4.17 points out of 4.17 Flag question Question text Identify the drug classification of the agents useful in the treatment of systemic mycotic infections and candidiasis. Select one: a. Bactericidal b. Fungistatic c. Fungicidal d. Bacteriostatic Question 12 Correct 4.17 points out of 4.17
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