Description : The normal serum concentration of 25-hydroxycholecalciferol in ng/ml is (A) 0–8 (B) 60–100 (C) 100–150 (D) 8–55
Last Answer : Answer : D
Description : The normal serum concentration of 24,25- dihydroxycholecalciferol in ng/ml is (A) 8–20 (B) 25–50 (C) 1–5 (D) 60–100
Last Answer : Answer : C
Description : Serum progesterone level during luteal phase is (A) 0.2–203 ng/ml (B) 3.0–5.0 ng/ml (C) 6.0–30 ng/ml (D) 750 ng/ml
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
Last Answer : Answer : A
Description : Serum progesterone level during pregnancy is (A) < 12 ng/ml (B) > 12 ng/ml (C) < 20 ng/ml (D) >24 ng/ml
Description : The normal range of total serum bilirubin is (A) 0.2–1.2 mg/100 ml (B) 1.5–1.8 mg/100 ml (C) 2.0–4.0 mg/100 ml (D) Above 7.0 mg/100 ml
Description : What is the function of thyroxine (T4) and triiodothyronine (T3)? -Biology
Last Answer : answer:
Description : The normal range of indirect (unconjugated) bilirubin in serum is (A) 0–0.1 mg/100 ml (B) 0.1–0.2 mg/100 ml (C) 0.2–0.7 mg/100 ml (D) 0.8–1.0 mg/100 ml
Description : The total serum testosterone in adult women is (A) 0–5 ng/100 ml (B) 10–15 ng/100 ml (C) 20–80 ng/100 ml (D) 100–200 ng/100 ml
Description : Normal serum level of selenium is (A) 5 µg /100 ml (B) 8 µg /100 ml (C) 10 µg /100 ml (D) 13 µg /100 ml
Description : The normal serum level of phosphorous in children varies from (A) 1–2 mg/100 ml (B) 2–3 mg/100 ml (C) 3–4 mg/100 ml (D) 4–7 mg/100 ml
Description : The normal serum level of thyroxine (T4) is (A) 2.0–4.0 µg/100 ml (B) 5.5–13.5 µg/100 ml (C) 14.0–20.3 µg/100 ml (D) 20.0–25.0 µg/100 ml
Last Answer : Answer : B
Description : The normal serum inorganic phosphorous level is (A) 1.5–2.5 mg/100 ml (B) 2.5–4.5 mg/100 ml (C) 4.5–6.5 mg/100 ml (D) 0.5–1.5 mg/100 ml
Description : High level of T3 and T4 and low TSH in serum indicates (A) Hyperthyroidism of pituitary origin (B) Hypothyroidism of pituitary origin (C) Hyperthyroidism of thyroid origin (D) Hypothyroidism of thyroid origin
Description : Normal serum glucagons level in fasting state varies between (A) 0-–10 pg/ml (B) 20–100 pg/ml (C) 200–300 pg/ml (D) 400–500 pg/ml
Description : The normal serum alkaline phosphatase activity ranges from (A) 1.0–5.0 KA units/100 ml (B) 5.0–13.0 KA units/100 ml (C) 0.8–2.3 KA units/100 ml (D) 13.0–21.0 KA units/100 ml
Description : The normal serum acid phosphatase activity ranges from (A) 5.0–13.0 KA units/100 ml (B) 1.0–5.0 KA units/100 ml (C) 13.0–18.0 KA units/100 ml (D) 0.2–0.8 KA units/100 ml
Description : The total serum testosterone in adult men is (A) 50–100 ng/100 ml (B) 150–250 ng/100 ml (C) 300–1000 ng/100 ml (D) 1000–3000 ng/100 ml
Description : The prepubertal total serum testosterone is (A) < 200 ng/100 ml (C) < 400 ng/100 ml
Description : Normal range of total thyroxine in serum is (A) 0.8–2.4 ng/dl (B) 0.8–2.4 µg/dl (C) 5–12 ng/dl (D) 5–12 µg/dl
Description : Normal range of total tri-iodothyronine in serum is (A) 0.1–0.2 ng/dl (B) 0.1–0.2 µg/dl (C) 0.8–2.4 ng/dl (D) 0.8–2.4 µg/dl
Description : Normal serum insulin level varies between (A) 4–25 µU/ml (B) 25–50 µU/ml (C) 70–90 µU/ml (D) 100–120 µU /ml
Description : All the following statements about thyrotropin releasing hormone are true except (A) It is secreted by hypothalamus (B) It is a pentapeptide (C) It increases the secretion of TSH (D) Its secretion is inhibited by high level of T3 and T4 in blood
Description : The plasma level of epinephrine is less than (A) 0.1 ng/ml (B) 0.2 ng/ml (C) 0.4 ng/ml (D) 0.8 ng/ml
Description : The normal serum of concentration of copper in mg/100 ml varies between (A) 0–5 (B) 50–100 (C) 100–200 (D) 200–300
Description : The normal serum concentration of vitamin A in mg/100 ml is (A) 5–10 (B) 15–60 (C) 100–150 (D) 0–5
Description : The normal range of direct reacting (conjugated) serum bilirubin is (A) 0–0.1 mg/100 ml (B) 0.1–0.4 mg/100 ml (C) 0.4–06 mg/100 ml (D) 0.5–1 mg/100 ml
Description : Administration of TSH increases serum T3 and T4 in (A) Hyperthyroidism of pituitary origin (B) Hyperthyroidism of thyroid origin (C) Hypothyroidism of pituitary origin (D) Hypothyroidism of thyroid origin
Description : Normal serum free testosterone in adult women varies between (A) 0.0–0.2 ng/dl (B) 0.3–2 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl
Description : The serum estradiol level in men is (A) 0–5 pg/ml (B) 5–10 pg/ml (C) 24–68 pg/ml (D) 40–60 pg/ml
Description : The serum estradiol level in women during 1–10 days of menstrual cycle is (A) 0–10 pg/ml (B) 12–20 pg/ml (C) 24–68 pg/ml (D) 80–100 pg/ml
Description : The normal serum concentration of ceruloplasmin in mg/100 ml varies between (A) 5–10 (B) 10–20 (C) 25–43 (D) 50–100
Description : The normal serum concentration of 1,25- dihydroxycholecalciferol in pg/ml is (A) 26–65 (B) 1–5 (C) 5–20 (D) 80–100
Description : Jaundice is visible when serum bilirubin exceeds (A) 0.5 mg/100 ml (B) 0.8 mg/100 ml (C) 1 mg/100 ml (D) 2.4 mg/100 ml
Description : Normal serum free testosterone in adult men varies between (A) 1–5 ng/dl (B) 6–9 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl 214 MCQs IN BIOCHEMISTRY
Description : The serum estradiol level in women during 11–20 days of menstrual cycle is (A) 5–30 pg/ml (B) 50–300 pg/ml (C) 500–900 pg/ml (D) 1000 pg/ml
Description : Serum level of chromium in healthy adult is about (A) 2-5 µg/100 ml (B) 6-20 µg/100 ml (C) 30-60 µg/100 ml (D) 50-100 µg/100 ml
Description : Phenytoin: 1) is a benzalkonium Derivative 2) is clinically effective serum level is in the range on 2-10 micrograms/ml. 3) A steady state blood level is achieved by 2-5 days 4) Can be used in management of alchohol withdrawl syndrome 5) Is the drug of choice in absence seizures.
Last Answer : Answers-4 Phenytoin is an imidazolidine derivative.It relates to barbiturates in chemical structure. Clinically effective seum level is in the range on 10-20 micrograms/ml. A steady state blood level is achieved by 7-10 days.
Description : The serum estradiol level in women during 21–30 days of menstrual cycle is (A) 10-20 pg/ml (B) 22-66 pg/ml (C) 73-149 pg/ml (D) 1000 pg/ml
Description : In the individuals who are given liberal quantities of vitamin C, the serum ascorbic acid level is (A) 1–1.4 µg/100 ml (B) 2–4 µg/100 ml (C) 1–10 µg/100 ml (D) 10–20 µg/100 ml
Description : Reverse T3 is (A) A synthetic compound given counter the effects of T3 (B) Formed from T4 but has no hormone function (C) Formed by isomerisation of T3 (D) Formed from T4 and has hormone function
Description : The most abundant thyroid hormone in blood is (A) Free T3 (B) T3 bound to TBG (C) Free T4 (D) T4 bound to TBG
Description : The most powerful thyroid hormone is (A) Reverse T3 (B) DIT (C) T3 (D) T4
Description : The normal concentration of potassium in cells in ng/100 ml is about (A) 100 (B) 200 (C) 350 (D) 440
Description : A 55 year-old female complaining of vague tiredness is found to have a serum corrected calcium concentration of 2.9 mmol/l. Examination was unremarkable. Which of the following results ... 4) Low normal plasma phosphate concentration 5) Low normal serum 25-hydroxyvitamin D concentration
Last Answer : Answers-3 Bit too easy really. A high or even normal PTH concentration in the presence of hypercalcaemia would support the diagnosis of hyperparathyroidism. A high urinary Calcium concentration may ... but neither confirm the diagnosis. Elevated 1,25 VitD suggests a diagnosis of hypervitaminosis D.
Description : The normal serum level of phosphorus in human adult is (A) 1–2 mg (B) 2–3 mg (C) 3–4.5 mg (D) 5–7 mg
Description : Answer: a, b, c, d Free oxygen radicals are chemical species that are intermediates in the normal process of cellular respiration. Oxidants that are free radicals have been implicated as initiators of ... a. C-reactive protein b. Serum amyloid c. a -Proteinase inhibitor d. Fibrinogen e. Albumin
Last Answer : Answer: a, b, c, d The acute-phase response is a series of homeostatic responses of the organism to tissue injury in infection and inflammation. After an inflammatory stimulus occurs, a number ... 30% to 50% of the level before injury. The reason for the decrease in production is poorly understood
Description : What is the normal level of K+ in the serum ? (A) 137–148 mEq/L (B) 120–160 mEq/L (C) 3.9–5.0 mEq/L (D) 0.3–0.59 mEq/L
Description : The half life of insulin is (A) < 3–5 minutes (B) < 8–10 minutes (C) < 15 minutes (D) < 15 minutes HORMONE METABOLISM 213
Description : Serum inorganic phosphorous rises in all the following conditions except (A) Hypoparathyroidism (B) Hypervitaminosis D (C) Chronic renal failure (D) After a carbohydrate-rich meal MINERAL METABOLISM 197