Description : Prolonged deficiency of nicotinic acid causes (a) pellagra (b) xerophthalmia (c) osteomalacia (d) anaemia.
Last Answer : (a) pellagra
Description : All are features of scurvy except Options: 1) Bitot's spots 2) Sub periosteal bleeding 3) Follicular hyperkeratosis 4) Cork screw hair
Last Answer : Correct Answer: 1) Bitot's spots
Description : Xerophthalmia is a deficiency disease caused by lack of - (1) Vitamin A (2) Vitamin B (3) Vitamin C (4) Vitamin D
Last Answer : (1) Vitamin A Explanation: Xerophthalmia is a medical condition in which the eye fails to produce tears. It may be caused by a deficiency in vitamin A and is sometimes used to describe that ... untreated, it can lead to corneal ulceration and ultimately to blindness as a result of corneal damage.
Description : Which one of the following is a fat-soluble vitamin and its related deficiency disease? (a) Retinol - Xerophthalmia (b) Cobalamine - Beri-beri (c) Calciferol - Pellagra (d) Ascorbic acid - Scurvy
Last Answer : (a) Retinol - Xerophthalmia
Description : Xerophthalmia is a deficiency disease caused by lack of (1) Vitamin A (2) Vitamin B (3) Vitamin C (4) Vitamin D
Last Answer : Vitamin A
Description : Prothrombin time is prolonged in (A) Vitamin K deficiency (B) Liver damage (C) Both (A) and (B) (D) None of these
Last Answer : Answer : C
Description : Several pantothenic acid deficiency in man has been reported to cause (A) Burning feet syndrome (B) Scurvy (C) Cataract (D) Xerophthalmia
Description : A dietary deficiency of tryptophan and nicotinate leads to (A) Beri Beri (B) Xerophthalmia (C) Anemia (D) Pellegra
Last Answer : Answer : D
Description : All the following conditions produce a real or functional deficiency of vitamin K except (A) Prolonged oral, broad spectrum antibiotic therapy (B) Total lack of red meat in the diet (C) The total lack of green leafy vegetables in the diet (D) Being a new born infant
Last Answer : Answer : B
Description : Deficiency of Vit. A2 results into : (a) Scurvy (b) Rickets (c)Beri-beri (d) Xerophthalmia
Last Answer : (d) Xerophthalmia
Description : The significant ocular lesion in a riboflavinosis is (A) Keratomalacia (B) Bitot’s spots (C) Vascularisation of the cornea (D) Lachrynal metaplasia
Description : The significant ocular lesion in arbo flovinosis: (A) Keratomalacia (B) Bitot’s spots (C) Vascularisation of the cornea (D) lachrymal metaplasia
Description : Which of the following is mismatched? (a) Vitamin A - Xerophthalmia (b) Vitamin D - Rickets (c) Vitamin K - Beri-beri (d) Vitamin C - Scurvy
Last Answer : (c) Vitamin K - Beri-beri
Description : Prolonged and severe iron deficiency can cause astrophy of epithelium of (A) Oral cavity (B) Oesophagus (C) Stomach (D) All of these
Description : An early diagnosis of vitamin C deficiency can be made by (A) Measuring plasma ascorbic acid (B) Measuring urinary ascorbic acid (C) Ascorbic acid saturation test (D) All of these
Description : Prothrombin time is prolonged by administering (A) Vitamin K (B) Dicoumarol (C) Calcium (D) Prothrombin
Last Answer : Answer : A
Description : All the following statements about obstructive jaundice are true except (A) Prothrombin time may be prolonged due to impaired absorption of vitamin K (B) Serum alkaline phosphatase may be raised ... systemic circulation due to biliary obstruction (D) There is no defect in conjugation of bilirubin
Description : Prothrombin time remains prolonged even after parenterals administration of vitamin K in (A) Haemolytic jaundice (B) Liver damage (C) Biliary obstruction (D) Steatorrhoea
Description : Kwashiorkar is characterized by (A) Night blindness (B) Edema (C) Easy fracturability (D) Xerophthalmia
Description : Keratomalacia is caused due to the defi- ciency of?
Description : Hyperkeratosis is caused due to the defi- ciency of?
Description : Benign migratory glossitis or Geographic Tongue, manifests itself in the oral cavity as, A. Irregularly outlined areas of hyperkeratosis of the dorsal surface of the tongue B. Furrows outlined the ... (fissures) radiating from a central fissure G. Irregular area in the midline of the tongue
Last Answer : C. Loss (atrophy) of filiform papillae in multiple irregularly outlined areas
Description : Parathyroid hormone (PTH) is synthesised in (A) Chief cells of parathyroid glands (B) Oxyphil cells of parathyroid glands (C) Para follicular cells of thyroid glands (D) Follicular cells of thyroid gland
Description : All the following statements about TSH are true except (A) It is a tropic hormone (B) It acts on para-follicular cells of thyroid glands (C) Its receptors are membrane-bound (D) Its second messenger is cyclic AMP
Description : The serum progesterone level in follicular phase is about (A) 0.2–1.5 ng/100 ml (B) 2.0–2.5 ng/100 ml (C) 3.5–4.5 ng/100 ml (D) 5.0–6.5 ng/100 ml
Description : Von Willebrand disease is, A. Haemophilic disease B. Bacterial Endocarditis C. Congenital cardiac disease D. Rheumatic fever Decreased PTT, bleeding time prolonged, deficiency factor VIII
Last Answer : A. Haemophilic disease
Description : When we migrate from dark to light, we fail to see for sometime but after a time visibility becomes normal. It is example of (a) accomodation (b) adaptation (c) mutation (d) photoperiodism.
Last Answer : (b) adaptation
Description : What is dark adaptation?
Last Answer : Dark adaptation is the process by which the human eye adjusts to low levels of illumination, involving changes in the sensitivity and function of the photoreceptor cells in the retina.
Description : Help! Legit resources for dark adaptation, aka night vision, in humans.
Last Answer : I am not sure exactly what your question is asking, so you mean like the pupils dilating?
Description : With regard to dark adaptation: a. is a quicker process than light adaptation b. the sensitivity of the cones increases more rapidly than the rods c. it is monophasic in rod monochromatism d. the first limb of the curve represents rod recovery
Last Answer : it is monophasic in rod monochromatism
Description : True statements about visual adaptation include: a. light adaptation takes longer than dark adaptation b. dark adaptation reaches its maximum in about 20 minutes c. in dark adapted eye, a higher intensity ... wear red goggles in the light adapt quicker in the dark than those who do not wear them
Last Answer : in dark adapted eye, a higher intensity of light is required to stimulate cones than rods
Description : True statement about dark adaptation include: a. the threshold for light intensity falls b. it is biphasic c. the initial adaptation is due to rod adaptation d. the change in the light intensity threshold is usually around 100 folds
Last Answer : the threshold for light intensity falls
Description : The following are true about dark adaptation: a. only regeneration of rhodopsin is responsible b. adaptation usually takes about 20 minutes c. dilatation of pupil plays a part in dark adaptation d. it is better with the fovea than the peripheral retina
Last Answer : dilatation of pupil plays a part in dark adaptation
Description : True statement about dark adaptation include: a. there is a shift in peak spectral sensitivity from 555 nm to 505 nm with dark adaptation b. rods are more sensitive than cone during dark adaptation c. biphasic changes only occur in retina which processes both rods and cones d. all above
Last Answer : all above
Description : A 55-year-old renal transplant patient has been hospitalized in a Surgical Intensive Care Unit, receiving a prolonged course of antibiotics following an attack of acute cholecystitis. The ... suggest a dosage reduction in immunosuppressive agents until the infection can be adequately controlled
Last Answer : Answer: a, d Infections due to fungal pathogens have become increasingly common during the past decade, frequently occurring in patients undergoing prolonged hospitalization in the Surgical ... agents should be discontinued until evidence of infection is absolutely controlled or is eradicated
Description : What is true of nicotinic acid as well as nicotinamide: A. Both possess vitamin B3 activity B. Both cause cutaneous vasodilatation C. Both lower plasma triglyceride and VLDL levels D. Both cause hyperglycaemia after prolonged medication
Last Answer : A. Both possess vitamin B3 activity
Description : The rise in basal body temperature at the time of ovulation is because of Options: 1) Decreased estrogen 2) Increased Progesterone 3) Decreased Leutinizing hormone 4) Increased Follicular Stimulating hormone
Last Answer : Correct Answer: 2) Increased Progesterone
Description : The antibacterial action of aminoglycoside antibiotics is characterized by: A. Concentration dependent rate of bacterial cell killing B. Concentration dependent prolonged postantibiotic effect C. More pronounced bactericidal effect in anaerobic medium D. Both 'A' and 'B' are correct
Last Answer : D. Both 'A' and 'B' are correct
Description : The following is true of proton pump inhibitors except: A. They are the most effective drugs for Zolinger Ellison syndrome B. Their prolonged use can cause atrophy of gastric mucosa C. They inhibit growth of H. pylori in stomach D. They have no effect on gastric motilit
Last Answer : B. Their prolonged use can cause atrophy of gastric mucosa
Description : Prolonged painful erection of penis has been noted particularly as a side effect of: A. Doxepin B. Citalopram C. Bupropion D. Trazodone
Last Answer : D. Trazodone
Description : A ‘toxic effect’ differs from a ‘side effect’ in that: A. It is not a pharmacological effect of the drug B. It is a more intense pharmacological effect that occurs at high dose or after prolonged medication C. It must involve drug induced cellular injury D. It involves host defence mechanisms
Last Answer : B. It is a more intense pharmacological effect that occurs at high dose or after prolonged medication
Description : A rise in blood ‘Ca’ may indicate (A) Paget’s disease (B) Vitamin D deficiency (C) Cushing’s disease (D) Hypervitaminosis D
Description : Vitamin deficiency that causes fatty liver includes all except (A) Vitamin E (B) Pyridoxine (C) Retionic acid (D) Pantothenic acid
Description : A biochemical indication of vitamin B12 deficiency can be obtained by measuring the urinary excretion of (A) Pyruvic acid (B) Malic acid (C) Methyl malonic acid (D) Urocanic acid
Description : The deficiency of which one of the following vitamin causes creatinuria? (A) Vitamin E (B) Vitamin K (C) Vitamin A (D) Vitamin B6
Description : Deficiency of Vitamin D leads to (A) Rickets (B) Osteomalacia (C) Xeropthalmia (D) Both (A) and (B)
Description : Methyl malonic aciduria is seen in a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12
Description : Angular stomatitis is due to (A) Ariboflavinosis (B) Deficiency of Vitamin C (C) Deficiency of Vitamin B1 (D) Deficiency of folate