Top 150+ Solved Nervous System MCQ Questions Answer

From 1 to 15 of 122

Q. Which of the following phosphate compounds is MOST important in the production ofenergy?

a. AMP (adenosine monophosphate)

b. ADP (adenosine diphosphate)

c. ATP (adenosine triphosphate)

d. GTP (guanosine triphosphate)

e. CTP (cytidine triphosphate)

  • c. ATP (adenosine triphosphate)

Q. Which of the following is NOT produced by the citric acid cycle?

a. CO2

b. H+ ions

c. NAD+

d. GTP (guanosine triphosphate)

e. NADH

  • c. NAD+

Q. The renal threshold for glucose, the arterial blood level at which glycosuria appears,is approximately:

a. 1.8g/dL

b. 180mg/dL

c. 18mg/dL

d. 80mg/dL

e. 800mg/dL

  • b. 180mg/dL

Q. Which of the following amino acids are glucogenic (ie give rise to compounds readilyconverted to glucose)?

a. alanine

b. leucine

c. isoleucine

d. phenylalanine

e. tyrosine

  • a. alanine

Q. Which of the following lipoproteins is SMALLEST in size?

a. chylomicrons

b. very low density lipoproteins

c. intermediate density lipoproteins

d. low density lipoproteins

e. high density lipoproteins

  • e. high density lipoproteins

Q. Regarding the respiratory quotient, which of the following is TRUE?

a. it is the ratio of CO2 and O2 in the body at any one time

b. can go as high as 2.00 because lactic acid produces more oxygen

c. in acidosis, it goes down

d. in alkalosis it goes up

e. it is possible for it to be negative

  • e. it is possible for it to be negative

Q. Regarding body surface area, which of the following statements is TRUE?

a. is calculated using weight/height

b. is calculated using 0.007184 X weight + 0.425 X weight + 0.725

c. it does not affect the basal metabolic rate

d. it does not affect the general metabolic rate

e. it has an effect on the specific dynamic action of foodstuffs

  • b. is calculated using 0.007184 X weight + 0.425 X weight + 0.725

Q. Regarding the basal metabolic rate, which of the following is TRUE?

a. it is measured in the absence of disease, at room temperature, within 12 hours of a meal with a Benedict apparatus and the subject asleep

b. it increases 24% per degree Celsius of body temperature above 37°

c. it is decreased during the latter stage of starvation, explaining the initial rapid weight loss than a slowing down of weight loss

d. it declines in pregnancy

e. it correlates closer to weight than to body surface area

  • c. it is decreased during the latter stage of starvation, explaining the initial rapid weight loss than a slowing down of weight loss

Q. Biological energy can be derived from all EXCEPT:

a. lactic acid

b. phosphorylcreatine

c. guanosine triphosphate

d. co enzyme A

e. urea

  • e. urea

Q. Regarding brown fat, which of the following is TRUE?

a. it is fat with a large percentage of melatonin as a constituent

b. it has extensive parasympathetic innervation

c. it is more abundant in adults than in infants

d. heat production is assisted by uncoupling of the H+ /ATP generator system in mitochondria

e. brown fat cells contain multiple droplets of fat

  • a. it is fat with a large percentage of melatonin as a constituent

Q. Regarding thyroid hormones, which statement is INCORRECT?

a. thyroid hormones bind to receptors in cell nuclei

b. T3 is less potent than T4

c. thyroid hormones increase O2 consumption

d. T3 promotes nitrogen excretion

e. cerebral glucose consumption is increased by thyroid hormones

  • b. T3 is less potent than T4

Q. Regarding the respiratory quotient, which of the following is TRUE?

a. it is the ratio of CO2 produced to the volume of O2 consumed per unit of time

b. is related to tidal volume

c. is inversely proportioned to pO2

d. has a value of 2.3 for fats

e. varies with age

  • a. it is the ratio of CO2 produced to the volume of O2 consumed per unit of time

Q. Which of the following statements is INCORRECT?

a. in a low protein diet, nitrogen excretion by the kidney decreases

b. in a low protein diet, the maximal urine osmolarity is decreased

c. there is a net negative nitrogen balance following the administration of steroids

d. nitrogen balance becomes negative if a single amino acid is missing from the diet

e. insulin spares the breakdown of muscle protein

  • c. there is a net negative nitrogen balance following the administration of steroids

Q. Which of the following is an ESSENTIAL fatty acid?

a. myristic acid

b. palmitic acid

c. stearic acid

d. linolenic acid

e. oleic acid

  • d. linolenic acid

Q. Regarding protein metabolism in starvation, which statement is INCORRECT?

a. glucose has a protein sparing effect by increasing insulin secretion

b. death occurs when protein depletion reaches 50% of normal level

c. total starvation leads to loss of up to 5gms/day of urea nitrogen due to protein catabolism

d. most protein catabolised comes from the liver, spleen and skeletal muscles

e. rapid protein depletion is the terminal phase once fat stores have been almost totally catabolised

  • c. total starvation leads to loss of up to 5gms/day of urea nitrogen due to protein catabolism
Subscribe Now

Get All Updates & News