Ethiopians Public Health Officer

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Answer is B. To help flush the stones through the urinary tract. Here's why: • Nephrolithiasis: Kidney stones are formed when minerals and salts in the urine crystallize and form solid masses. These stones can vary in size, from tiny grains to large stones that can block the urinary tract. • Fluid Intake: Increasing fluid intake helps to: * Dilute Urine: More fluid in the urine makes it less concentrated, reducing the likelihood of stone formation and making it easier for existing stones to pass. * Increase Urine Output: More urine production helps to flush out the urinary tract, increasing the chances of the stones being passed. Let's look at why the other options are incorrect: • To concentrate the urine: Concentrated urine increases the risk of stone formation, so increasing fluid intake actually dilutes the urine. • To crystallize the struvite from the renal tubules: This is incorrect. Increasing fluid intake helps to prevent crystallization, not promote it. • To break down the stones into smaller pieces that will more easily pass through the urinary tract: While increasing fluid intake can help to flush smaller stones, it doesn't break down larger stones.

D2.Q2. A-40- year old patient is brought to a Hospital with a diagnosis of nephrolithiasisand advised to increase fluid intake.What isthe importance of increasing fluid intake in this patient? A. To concentrate the urine B. To Help flush the stones through the urinary tract C. Tocrystallize the struvite from the renal tubules D. Tobreak down the stones into smaller pieces that will more easily passthrough the urinary tract.

The most important factor in preventing pressure ulcers in a comatose patient is D. Minimize pressure on the bony prominence of a bed-ridden patient. Here's why: • Pressure Ulcers: Pressure ulcers (also known as bedsores) are caused by prolonged pressure on the skin, particularly over bony prominences. This pressure restricts blood flow to the area, leading to tissue damage and ulceration. • Minimizing Pressure: The primary focus for preventing pressure ulcers is to minimize the pressure exerted on the skin. This is achieved by: * Frequent Position Changes: Changing the patient's position regularly, ideally every 2 hours, to relieve pressure from different areas. * Pressure-Relieving Surfaces: Using specialized mattresses or cushions designed to distribute pressure evenly and reduce pressure points. * Proper Positioning: Making sure the patient's body is properly aligned and supported to minimize pressure on bony areas. Let's look at why the other options are incorrect: • Positioning disturb patients in coma: This is incorrect. Frequent positioning changes are crucial to prevent pressure ulcers. • Changing the position of a bed-ridden patient every 8 hours: While changing the position every 8 hours is better than nothing, it's not frequent enough to effectively prevent pressure ulcers. Frequent changes are essential, ideally every 2 hours. • Rub the skin vigorously with alcohol: Rubbing the skin vigorously with alcohol can damage the skin and increase the risk of pressure ulcers. It should be avoided.

D2.Q1.Which one of the following is true about prevention of pressure ulcer in comatose patient? A. Positioning disturb patients in coma B. Changing the position of a bed-ridden patient every 8 hours C. Rub the skin vigorously with alcohol D. Minimize pressure on the bony prominence of a bed-ridden patient.

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The most probable cause for the patient's obstruction, given the history of recent surgery and the symptoms, is B. Adhesion. Here's why: • Adhesions: These are bands of scar tissue that can form after surgery, especially abdominal surgery. They can connect different organs or parts of the intestines, leading to a blockage (obstruction) of the bowel. * Symptoms: The symptoms described, including crampy, wavelike pain, no passage of bowel contents, and abdominal distention, are characteristic of bowel obstruction caused by adhesions. Let's look at the other options: • Intussusception: This occurs when one part of the intestine telescopes into another, causing a blockage. It's more common in children and is rarely seen in adults. • Volvulus: This is a twisting of the bowel, which can also cause obstruction. While it can occur in adults, it's usually associated with specific anatomical abnormalities. • Tumors and Neoplasms: While tumors can cause bowel obstruction, they are less likely in a patient with a recent surgery unless there was a pre-existing tumor.

Q6. A 42- year –old patient had surgery before two months and brought to a Hospital with crampy pain that is wave like and colicky in nature. There is no passage of bowel contents and on physical examination the abdomen is distended.Which one of the following is the probable cause for his obstruction? A. Intussusception B. Adhesion C. Volvlus D. Tumors and neoplasm

The last Question ❓ of the day.

The correct answer is D. Evisceration. Here's why: • Evisceration: This is a serious complication that occurs when internal organs protrude through a surgical wound that has opened up (dehisced). It's a medical emergency that requires immediate attention. Let's look at the other options: • Keloid: A keloid is a raised, thickened scar that forms after an injury or surgery. While it can be unsightly, it doesn't involve the protrusion of organs. • Hematoma: A hematoma is a collection of blood that forms under the skin or within a tissue due to bleeding. It's not related to wound opening or organ protrusion. • Dehiscence: Dehiscence refers to the separation or opening of a surgical wound. While it's a precursor to evisceration, it's not the same as the protrusion of organs. In Summary: The scenario clearly describes internal organs protruding through an open wound, which is the definition of evisceration.

Q5. A 25- year- old male patient is brought to a hospital and undergone abdominal surgery. After two days, the patient’sinternal organs were found protruded through the disrupted wound edge. Which of the following term most likely describe this finding? A. Keloid B. Hematoma C. Dehiscence D. Evisceration

The correct ratio for alcohol to glycerin in a hand rub preparation is 2:100 ml. Explanation: • Alcohol: Isopropyl alcohol or ethanol is the primary active ingredient in hand rubs, providing the antimicrobial effect. • Glycerin: Glycerin is a humectant, meaning it helps retain moisture and prevents the skin from drying out. • Typical Ratio: A common ratio for alcohol to glycerin in hand rub formulations is 2:100 ml. This means for every 100 ml of alcohol, you would use 2 ml of glycerin.

Q4. Which of the following ratio describes the correct alcohol to glycerin preparation for hand rub? A. 1 : 100 ml B. 2 : 100 ml C. 100 : 2 ml D. 200 : 1 ml

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