Physiology MCQ Questions — Page 301

Question 1

The suckling reflex:

Answer

Has afferent hormonal and efferent neuronal components

Answer

Increases placental lactogen secretion

Answer

Increases the release of dopamine from the arcuate nucleus

Answer

Triggers the release of oxytocin by stimulating the supraoptic nuclei

Question 2

CEating

Answer

Moderate increase in environmental temperature

Answer

Anxiety and excitement

Answer

Standing from lying down position

Question 3

Answer

g-carboxylation of aspaic acid residues to clotting factor 2,7,9 and 10

Answer

b-carboxylation of glutamic acid residues to clotting factor 2,7,9 and 10

Answer

alpha - carboxylation of asparatic acid residues to clotting factor 2,7,9 and 10

Answer

g-carboxylation of glutamic acid residues to clotting factor 2,7,9 and 10

Question 4

Answer

Afferent arteriole dilatation

Answer

Efferent arteriole dilatation

Answer

Efferent arteriole constriction

Answer

Afferent arteriole constriction

Question 5

Answer

pH: 7.65; HCO3-: 48meq/L; PCO2: 45mmHg

Answer

pH: 7.5; HCO3-: 12meq/L; PCO2: 20mmHg

Answer

pH: 7.4; HCO3-: 18meq/L; PCO2: 40mmHg

Answer

pH: 7.2; HCO3-: 30meq/L; PCO2: 60mmHg

Question 6

Answer

Addison's disease

Answer

Fanconi syndrome

Answer

Diabetes insipidus

Answer

Diabetes mellitus

Question 7

Answer

Normal cell function depends on the constancy of ECF

Answer

The actual environment of the cells of the body is the interstitial component of the ECF

Answer

Renal and respiratory adjustments are taking place for homeostasis

Answer

System is stabilized by the positive feed back mechanism

Question 8

Answer

Co-ordination of movements

Answer

Equilibrium

Answer

Chemoreception

Answer

Planning of movements

Question 9

BTestes

DProstate

Answer

Epididymis

Answer

Vas deferens