Which of the following is associated with a low concentration of ionized calcium in the serum ?
(A) Hypothyroidism
(B) Osteogenesis imperfecta
(C) Paget’s disease of the bone
(D) Tetany
following are the features of cretinism, except_____________?
(A) Pot- belly
(B) Idiotic look
(C) Normal intelligence
(D) Stunted growth
Paneth cells secrete which of the following ?
(A) Antibacterial substance
(B) Lipase
(C) Maltase
(D) Secretin
The effect which is seen due to decrease in serum calcium concentration is_______________?
(A) Relaxation of muscle
(B) Excitability of the muscle
(C) Increase the renal absorption
(D) Depression of Nervous system
Tetany is characterized by ________________?
(A) Hypotonicity of muscles
(B) Hypertonicity of muscles
(C) Increased serum calcium concentration
(D) None of the above
The most significant immediate result of lowered serum calcium is_______________?
(A) Weakened heart action
(B) Decalcification of bones
(C) Decalcification of teeth
(D) Hyperirritability of nerves and muscles
Hormone responsible for milk ejection______________?
(A) Oxytocin
(B) Estrogen
(C) Progesterone
(D) Prolactin
Aldosterone secretion is increased when there is a fall in____________?
(A) Plasma K+
(B) Plasma Na+
(C) pH of the plasma
(D) Angiotensin II level
Fertilized ovum usually gets attached to the uterus wall in ____________?
(A) 14 days
(B) 28 days
(C) 8 weeks
(D) 1 week
Removal of parathyroid gland produces the following changes EXCEPT_________________?
(A) Decline plasma calcium level
(B) Decrease in plasma phosphate level
(C) Neuromuscular hyperexcitability
(D) hypo calcemic tetany