Test: Group B - Module 3 : Nutritional Assessment/ Body Composition And Energy Balance
(242).webp "Test: Group B - Module 3 : Nutritional Assessment/ Body Composition And Energy Balance - Quiz")
14 October 2015
Asia Pacific Surgical Training Center, Bali - Indonesia
Questions and Answers
- 1.
Nutritional screening is a tool to rapidly and simply evaluate whether the patient is at risk to be or to become malnourished?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Nutritional screening is a tool used to assess the risk of malnutrition in patients. It helps healthcare professionals quickly and easily determine if a patient is at risk of being or becoming malnourished. By identifying individuals who are at risk, appropriate interventions can be implemented to prevent or treat malnutrition. Therefore, the statement "True" is correct as nutritional screening is indeed a tool to evaluate the risk of malnutrition.Rate this question:
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- 2.
Normal body cell mass (BCM) is the major determinant of an adequate nutritional state?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Normal body cell mass (BCM) refers to the total mass of all the cells in the body, excluding fat mass. It includes muscle cells, organ cells, and other types of cells. Adequate nutrition is necessary for the maintenance and growth of these cells. If the body does not have enough nutrients, it can lead to a decrease in BCM, which can have negative effects on overall health. Therefore, normal body cell mass is indeed a major determinant of an adequate nutritional state.Rate this question:
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- 3.
Plasma albumin level is part of the NRS 2002 screening tool?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Plasma albumin level is not part of the NRS 2002 screening tool. The NRS 2002 screening tool is used to assess the nutritional risk of patients and includes parameters such as weight loss, BMI, and severity of disease. Plasma albumin level may be used as a separate indicator of nutritional status, but it is not specifically included in the NRS 2002 screening tool.Rate this question:
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- 4.
Functional impairment and dietary change are evaluated in “Subjective Global Assessment”?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
In the "Subjective Global Assessment," functional impairment and dietary change are evaluated. This assessment is a comprehensive method used to evaluate a patient's nutritional status by considering subjective and objective information. It includes a detailed history taking, physical examination, and assessment of functional impairment and dietary changes. By considering these factors, healthcare professionals can determine the patient's nutritional status and develop appropriate interventions if necessary.Rate this question:
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- 5.
Serum biochemistry is necessary for “Subjective Global Assessment”?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Serum biochemistry is not necessary for "Subjective Global Assessment". Subjective Global Assessment (SGA) is a method used to assess a patient's nutritional status based on a comprehensive clinical evaluation, including medical history, physical examination, and dietary intake. It does not involve the analysis of serum biochemistry. Therefore, the correct answer is false.Rate this question:
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- 6.
Skin fold measurements for an estimation of body fat content are usually done at 4 sites?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Skin fold measurements for an estimation of body fat content are usually done at 4 sites. This means that in order to estimate body fat content, measurements are taken at four specific areas of the body where fat is commonly stored. These measurements are then used to calculate an overall estimate of body fat percentage.Rate this question:
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- 7.
Most of nutritional laboratory parameters are very good markers to detect malnutrition?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement suggests that most nutritional laboratory parameters are good markers to detect malnutrition. However, the correct answer is false. While nutritional laboratory parameters can provide valuable information about a person's nutritional status, they are not the sole indicators of malnutrition. Other factors such as physical examination, medical history, and dietary intake also play a crucial role in diagnosing malnutrition. Therefore, it is important to consider a comprehensive approach when assessing malnutrition rather than relying solely on laboratory parameters.Rate this question:
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- 8.
Albumin is a good parameter for assessment of malnutrition because it has a short half live time and it is not affected by hydration status and is independent of liver function?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Albumin is not a good parameter for the assessment of malnutrition because it has a long half-life time, not a short one. Additionally, albumin levels can be affected by hydration status and liver function, making it an unreliable indicator for malnutrition.Rate this question:
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- 9.
Hypoalbuminaemia before operation does not predict surgical complications?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The correct answer is False. This means that hypoalbuminemia before an operation does predict surgical complications. Hypoalbuminemia refers to low levels of albumin in the blood, which can indicate malnutrition or other underlying health issues. When a person has low albumin levels before a surgical procedure, it can increase the risk of complications during and after the operation. Therefore, hypoalbuminemia before an operation is a predictor of surgical complications.Rate this question:
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- 10.
Skin tests (DHR) and lymphopenia are excellent nutritional markers because they are tightly related to recent food intake?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Skin tests (DHR) and lymphopenia are not excellent nutritional markers because they are not tightly related to recent food intake. Skin tests (DHR) are used to diagnose drug hypersensitivity, not to assess nutritional status. Lymphopenia refers to a low level of lymphocytes in the blood, which can be caused by various factors such as infections or autoimmune disorders, but it is not directly related to recent food intake. Therefore, the statement is false.Rate this question:
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- 11.
Iron deficiency should be considered in patients with microcytic anemia and dyspepsia?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Iron deficiency is a common cause of microcytic anemia, which is characterized by smaller than normal red blood cells. Dyspepsia, or indigestion, can also be a symptom of iron deficiency. Therefore, it is important to consider iron deficiency as a possible cause in patients presenting with both microcytic anemia and dyspepsia.Rate this question:
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- 12.
Zinc deficiency should be considered in patients who have wound healing problems?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Zinc is an essential mineral that plays a crucial role in wound healing. It is involved in various processes such as collagen synthesis, immune function, and cell division, all of which are necessary for proper wound healing. Therefore, if patients are experiencing difficulties in wound healing, it is important to consider the possibility of zinc deficiency as a potential underlying cause.Rate this question:
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- 13.
The two compartment model consists of fat mass and fat free body mass?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The two compartment model is a widely used method to estimate body composition, which divides the body into two compartments: fat mass and fat-free body mass. Fat mass refers to the total amount of fat in the body, while fat-free body mass includes all other components such as muscle, bone, and organs. Therefore, the statement that the two compartment model consists of fat mass and fat-free body mass is true.Rate this question:
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- 14.
In the four compartment model, three compartments are measured by three different methods, the fourth is calculated
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
In the four compartment model, three compartments are measured using three different methods, such as bioelectrical impedance analysis, dual-energy X-ray absorptiometry, and skinfold thickness measurements. These methods directly measure the amount of body fat, lean mass, and bone mineral content in the body. The fourth compartment, which represents residual mass, is calculated by subtracting the sum of the measured compartments from the total body mass. Therefore, it is true that the fourth compartment is calculated rather than directly measured.Rate this question:
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- 15.
. Urinary creatinine excretion correlates with muscle mass but is influenced by renal function and meat intake.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Urinary creatinine excretion is a measure of the amount of creatinine, a waste product produced by muscles, that is excreted in the urine. Since muscle mass is the primary determinant of creatinine production, urinary creatinine excretion can be used as an indirect measure of muscle mass. However, other factors such as renal function and meat intake can also influence urinary creatinine excretion. Therefore, it is true that urinary creatinine excretion correlates with muscle mass but is also influenced by renal function and meat intake.Rate this question:
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- 16.
Total body fat mass is more important than muscle mass for survival of critical illness?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because muscle mass is actually more important than total body fat mass for the survival of critical illness. Muscle mass plays a crucial role in maintaining strength, mobility, and overall physical function, which are essential for recovery and survival during a critical illness. Additionally, muscle mass is also associated with better outcomes in terms of disease progression and overall mortality rates. Therefore, it can be concluded that muscle mass is more important than total body fat mass for the survival of critical illness.Rate this question:
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- 17.
Fat free mass (FFM) is not a good indicator of body cell mass (BCM) in severe disease or malnutrition because of fluid shifts.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
FFM refers to the weight of everything in the body except fat, including muscle, bones, and organs. BCM, on the other hand, specifically refers to the weight of body cells. In severe disease or malnutrition, fluid shifts can occur in the body, leading to changes in FFM without necessarily affecting BCM. Therefore, FFM may not accurately reflect changes in BCM in these conditions, making it a poor indicator. This explanation supports the given answer that states "True."Rate this question:
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- 18.
BIA gives also adequate results in patients with a BMI <16 and >35?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because the Body Mass Index (BMI) ranges mentioned, specifically a BMI 35, indicate extreme levels of underweight and obesity respectively. BIA (Bioelectrical Impedance Analysis) is a method used to estimate body composition, including body fat percentage, by measuring the resistance to electrical currents in the body. However, extreme BMI values can affect the accuracy of BIA results, making them less reliable in these cases. Therefore, BIA may not give adequate results in patients with a BMI 35.Rate this question:
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- 19.
Undernutrition can be practically excluded in acutely ill severely obese patients?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Undernutrition cannot be practically excluded in acutely ill severely obese patients. Severely obese patients may have underlying nutritional deficiencies or comorbidities that can contribute to undernutrition. Additionally, acutely ill patients may experience decreased appetite, malabsorption, or increased nutrient requirements, further increasing the risk of undernutrition. Therefore, it is important to assess the nutritional status of all patients, including those who are severely obese and acutely ill.Rate this question:
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- 20.
Waist circumference connected with increased risk of metabolic syndrome is more than 80 cm in women and more than 94 cm in men?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Waist circumference is a measure of abdominal obesity, which is strongly associated with an increased risk of metabolic syndrome. Metabolic syndrome is a cluster of conditions that includes high blood pressure, high blood sugar, excess body fat around the waist, and abnormal cholesterol levels. Research has shown that a waist circumference of more than 80 cm in women and more than 94 cm in men is indicative of abdominal obesity and is associated with a higher risk of developing metabolic syndrome. Therefore, the statement that waist circumference connected with increased risk of metabolic syndrome is more than 80 cm in women and more than 94 cm in men is true.Rate this question:
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- 21.
Nitrogen balance measurement is not influenced by renal and hepatic functions?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement that nitrogen balance measurement is not influenced by renal and hepatic functions is false. Nitrogen balance measurement is a method used to assess the balance between nitrogen intake and excretion in the body. Renal and hepatic functions play a crucial role in nitrogen metabolism and excretion. The kidneys are responsible for filtering and excreting nitrogenous waste products, while the liver is involved in the synthesis of urea, the main nitrogenous waste product. Any impairment in renal or hepatic functions can lead to alterations in nitrogen balance measurement.Rate this question:
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- 22.
Nitrogen balance can be used for estimation of the adequacy of protein intake?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Nitrogen balance refers to the difference between the amount of nitrogen consumed and the amount excreted in the body. Since protein is the primary source of nitrogen in the diet, nitrogen balance can be used as an indicator of protein intake. A positive nitrogen balance indicates that protein intake is sufficient to meet the body's needs, while a negative nitrogen balance suggests inadequate protein intake. Therefore, it is true that nitrogen balance can be used for estimation of the adequacy of protein intake.Rate this question:
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- 23.
Systemic inflammatory response is not connected with increased gluconeogenesis?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement "Systemic inflammatory response is not connected with increased gluconeogenesis" is false. Gluconeogenesis is the process by which the body produces glucose from non-carbohydrate sources, such as amino acids and fats. During systemic inflammatory response, there is an increase in the production of pro-inflammatory cytokines, which can stimulate gluconeogenesis. This is because inflammation can lead to increased energy demands, and glucose is an important energy source for the body. Therefore, there is a connection between systemic inflammatory response and increased gluconeogenesis.Rate this question:
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- 24.
Respiratory quotient (RQ) can help us to calculate substrate oxidation?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Respiratory quotient (RQ) is a measurement that indicates the ratio of carbon dioxide produced to oxygen consumed during metabolism. By calculating RQ, we can determine the type of substrate being oxidized for energy production. Different substrates, such as carbohydrates, fats, and proteins, have different RQ values. Therefore, RQ can be used to estimate the relative contribution of each substrate to overall energy metabolism. Hence, it is true that RQ can help us calculate substrate oxidation.Rate this question:
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- 25.
If fat is oxidized as a sole substrate, the RQ value equals 1?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
When fat is oxidized as a sole substrate, the RQ (Respiratory Quotient) value is less than 1, not equal to 1. The RQ value represents the ratio of carbon dioxide produced to oxygen consumed during metabolism. Since fat oxidation requires more oxygen compared to the amount of carbon dioxide produced, the RQ value is less than 1. Therefore, the statement "If fat is oxidized as a sole substrate, the RQ value equals 1" is false.Rate this question:
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- 26.
Energy expenditure is more determined by fat free mass than fat mass (FFM)?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because fat-free mass (FFM) refers to the weight of the body without fat, including muscles, bones, organs, and water. These components are more metabolically active and require more energy to maintain compared to fat mass. Therefore, individuals with higher FFM tend to have a higher resting metabolic rate and overall energy expenditure.Rate this question:
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- 27.
Energy expenditure can be directly measured using Oxygen consumption and C02 production and indirectly estimated by measuring of the heart rate?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Energy expenditure can be directly measured using oxygen consumption and CO2 production. When the body expends energy, it requires oxygen to produce ATP, the energy currency of cells. As a result, the more energy the body needs, the more oxygen it consumes. Similarly, the production of CO2 is directly related to energy expenditure since it is a byproduct of ATP production. Therefore, by measuring the amount of oxygen consumed and CO2 produced, we can directly determine the energy expenditure. Additionally, heart rate can also be used as an indirect measure of energy expenditure since it increases when the body is working harder and expending more energy.Rate this question:
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- 28.
In an acute situation a negative energy balance is connected with increased lipolysis and release of fatty acids?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
In an acute situation, the body may experience a negative energy balance, meaning that it is not taking in enough energy to meet its needs. This can lead to increased lipolysis, which is the breakdown of fat stores in the body to release fatty acids. This is because the body needs to use alternative fuel sources, such as fat, to make up for the energy deficit. Therefore, it is true that in an acute situation, a negative energy balance is connected with increased lipolysis and release of fatty acids.Rate this question:
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- 29.
Indirect calorimetry is the best method for the measurement of energy expenditure?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Indirect calorimetry is considered the best method for measuring energy expenditure because it directly measures the amount of oxygen consumed and carbon dioxide produced by an individual. This allows for accurate determination of the body's metabolic rate and energy expenditure. Other methods, such as direct calorimetry or estimations based on activity levels, may not provide as precise or reliable results. Therefore, indirect calorimetry is widely used in research and clinical settings to assess energy expenditure in individuals.Rate this question:
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- 30.
Abdominal adipose tissue is a risk factor for cardiac diseases and stroke?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Abdominal adipose tissue, also known as belly fat, is indeed a risk factor for cardiac diseases and stroke. This type of fat is located around the abdominal organs and is associated with increased levels of inflammation and insulin resistance. These factors contribute to the development of cardiovascular diseases such as heart disease and stroke. Therefore, it is true that abdominal adipose tissue poses a risk for these conditions.Rate this question:
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