Which of the following is/are the physiological effect/s of Tri iodothyroxin (T3), and Thyroxin (T4)?
a) they act on muscles for their development and functioning
b) promote growth and maturation of skeleton
c) promote normal motility of the gastrointestinal tract
d) all of these
Explanation these hormones promote basal metabolic rate of the body
Over activity of thyroid gland causes…... diseases?
a) Goiter
b) Graves
c) Rickets
d) Oesteomalcia
Explanation Graves disease is believed to be an autoimmune disorder. The serum of the patient contains antibody which mimic TSH and continuously stimulate thyroxin release.
Which of the following is/are the symptom/s of Graves’ disease?
a) high metabolic rate, rapid and irregular heartbeat
b) nervousness, increased ventilation rate and increased body temperature
c) sweating, weight loss despite adequate food uptake
d) all of these
Explanation Graves' disease is an autoimmune disorder that can cause hyperthyroidism, or overactive thyroid.
Which of the following is a classic symptom of hyperthyroidism?
a) swelling in neck region
b) increased heartbeat and high fever
c) Exophthalmia
d) loss of appetite
Explanation Exophthalmia (protrusion of eyeballs)
Exophthalmia results from swelling of the tissues around the eye and within the orbit due to the high level of……….
a) oxytocin
b) paratharmone
c) thyroxin
d) calcitonin
The under activity of the thyroid gland may be due to the ……
a) iodine deficiency in the blood
b) failure of the enzyme system involved in thyroxin production
c) lack of TSH production by the anterior pituitary
d) all of these
