6401 to 6450 MCQs for Lab Technician and Technologist Exam Preparation
5000 Plus MCQs for Lab Technician and Technologists are designed to test the knowledge and proficiency of laboratory professionals who work in the field of clinical laboratory science. These questions cover a wide range of topics related to laboratory science, including anatomy, physiology, microbiology, chemistry, and hematology.
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Questions 6401 to 6450
- Vitamin E protects enzymes from destruction in
- Muscles
- Nerves
- Gonads
- All of these ✔
- Vitamin K regulates the synthesis of blood clotting factors:
- VII
- IX
- X
- All of these ✔
- Ascorbic acid can reduce
- 2, 4-dinitro benzene
- 2, 6-Dichlorophenol Indophenol ✔
- 2, 4-dibromobenzene
- 2, 6-dibromo benzene
- Sterilized milk is devoid of
- Vitamin A
- Vitamin B1
- Vitamin C ✔
- Vitamin D
- The symptoms of scurvy are
- Poor healing of wounds
- Loosening of teeth
- Anaemia
- All of these ✔
- Kwashiorkor results from
- Vitamin A deficiency
- Vitamin D deficiency
- Deficiency of minerals in diet
- Protein and caloric deficiency in diet✔
- Which among the following fatty acids is an essential fatty acid for man?
- Palmitic acid
- Oleic acid
- Linoleic acid ✔
- None of these
- The number of nutritionally essential amino acids for man is
- 6
- 8 ✔
- 10
- 12
- Avidin is present in
- Cow’s milk
- Raw egg ✔
- Green leafy vegetables
- Carrots
- Marasmus is due to malnutrition of
- Proteins
- Proteins and calories ✔
- Proteins and vitamins
- Proteins and minerals
- Energy value in kilocalorie per gram of fat in the body is
- 1
- 4
- 9 ✔
- 18
- Which among the following is an essential amino acid for man?
- Alanine
- Serine
- Valine ✔
- Glutamic acid
- Under what condition to basal metabolic rate goes up?
- Cold environment ✔
- Hot environment
- Intake of base forming foods
- Hypothyroidism
- What is the major form of caloric storage in human body?
- ATP
- Glycogen
- Creatine phosphate
- triacylglycerol ✔
- The phosphoprotein of milk is
- Lactalbumin
- Lactoglobulin
- Vitellin
- Caein✔
- Dictary deficiency of this vitamin leads to night blindness:
- Retinol ✔
- Niacin
- Ascorbic acid
- Cholecalciferol
- A non essential amino acid is not
- Absorbed in the intestines
- Required in the diet ✔
- Incorporated into the protein
- Metabolized by the body
- The deficiency of Vitamin B12 leads to
- Pernicious anaemia
- Megablastic anaemia
- Both (Pernicious anaemia) and (Megablastic anaemia) ✔
- None of these
- Which among the following is a nutritionally essential amino acid for man?
- Alanine
- Glycine
- Tyrosine
- Isoleucine ✔
- The maximum specific dynamic action of food stuff is exerted by
- carbohydrates
- fats
- proteins ✔
- vitamins
- The essential amino acids
- must be supplied in the diet because the organism has lost the capacity to aminate the corresponding ketoacids
- must be supplied in the diet because the human has an impaired ability to synthesize the carbon chain of the corresponding ketoacids
- are identical in all species studied
- are defined as these amino acids which cannot be synthesized by the organism at a rate adequate to meet metabolic requirements✔
- Fibre in the diet is beneficial in
- Hyper glycemia
- Hyper cholseteremia
- Colon cancer
- All of these ✔
- Sucrose intolerance leads to
- Hyper glycemia
- Glycosuria
- Diarrhoea ✔
- Hypoglycemia
- There can be intolerance with respect to the following sugar:
- Glucose
- Lactose ✔
- Maltose
- Xylose
- Milk contains very poor amounts of
- Calcium
- Phosphate
- Iron✔
- Riboflavin
- Egg contains very little
- Fat
- Proteins
- Carbohydrates ✔
- Calcium and phosphorus
- BMR (Basal Metabolic rate) is elevated in
- Hyper thyroidism ✔
- Under nutrition
- Starvation
- Hypothyroidism
- Soyabean proteins are rich in
- Lysine ✔
- Alanine
- Glcyine
- Aspartic acid
- Corn and gliadin are low in
- Lysine ✔
- Alanine
- Glycine
- Aspartic acid
- What is the disease caused by thiamine deficiency?
- Nycalopia
- Scurvy
- Rickets
- Beriberi ✔
- Retinol and retinol –binding protein (RBP) bound with this protein:
- Albumin
- Prealbumin ✔
- α2-globulin
- β-globulin
- Megaloblastic anemia is caused by the deficiency of
- Folic acid ✔
- Vitamin B6
- Iron
- Protein
- This vitamin acts as anti-oxidant:
- Vitamin A
- Vitamin D
- Vitamin E ✔
- Vitamin K
- Calcitriol is
- 1-OH-cholecalciferol
- 25-OH-cholecalciferol
- 24, 25-diOH cholecalciferol
- 1, 25-diOH cholecalcifero ✔
- 1-hydroxylation of 25-OH vitamin D3 takes place in
- Liver
- Kidneys ✔
- Intestine
- Pancreas
- 25-hydroxylation of vitamin D3 takes place in
- Liver ✔
- Kidneys
- Intestine
- Pancreas
- Hydroxylation of 25-hydroxy cholecalciferol is promoted by
- Cytochrome – a
- Parathyroid hormone ✔
- Cytochrome-b
- CAMP
- The egg injury factor in raw egg white is
- Biotin
- Avidin ✔
- Albumin
- Calcium salts
- The following has cyanide:
- Vitamin B12 ✔
- Adenyl cobamide
- Benzimidazole cobamide
- Methyl cobamide
- The human species can biosynthesize
- Vitamin C
- Vitamin B12
- Thiamine
- Niacin ✔
- Retina contains this photosensitive pigment:
- Rhodopsin ✔
- Opsin
- Retinol
- Melanin
- Anti xerophthalmic vitamin is
- Vitamin B1
- Vitamin B2
- Vitamin B6
- Vitamin A ✔
- One of the following is not a symptom of addison’s disease.
- Hypoglycemia
- Hyponatremia
- Hypokalemia ✔
- Hypochoremia
- Pyridoxin deficiency may lead to convulsions as it is needed for the synthesis of
- GABA ✔
- PABA
- EFA
- SAM
- Sulpha drugs are antimetabolities of
- Vitamin K
- Pyridoxin
- Folic acid ✔
- Vitamin B2
- This abnormal metabolite may be responsible for the neurological manifestation of pernicious anemia:
- Taurine
- Methyl malonic acid ✔
- Xantherunic acid
- Phenyl pyruvic acid
- The vitamin in leafy vegetables:
- D
- K
- A
- Both (K) and (A ) ✔
- Isonicotinic acid hydrazide given in the treatment of tuberculosis may lead to a deficiency of
- Vitamin A
- Pyridoxin ✔
- Folate
- Inosito
- Biotin is required for the reaction of CO2 with
- Water
- Acetyl CoA ✔
- NH3
- Incorporation of carbon 6 in purine
- A deficiency of folate leads to
- Megaloblastic anemia ✔
- Aplastic anemia
- Pernicious anemia
- Hypochromic microcytic anemia
The questions are typically designed to assess the technical skills and knowledge required for the laboratory profession, including the ability to analyze laboratory test results, perform laboratory procedures, and maintain laboratory equipment.
To prepare for these MCQs, candidates should have a thorough understanding of the key concepts and principles of laboratory science. They should also be familiar with common laboratory equipment and procedures, as well as laboratory safety protocols.
Candidates may also benefit from studying specific laboratory science textbooks or taking online courses that cover the material tested in the MCQs. Additionally, practicing sample MCQs and reviewing the answers can help candidates identify areas where they may need to improve their knowledge or skills.
Overall, the MCQs for lab technologists are designed to be challenging and comprehensive, requiring candidates to demonstrate a high level of proficiency in the field of laboratory science.
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