MCQs Biology F.Sc. Part 2 ( 2nd Year )
Chapter No.17
Coordination and Control
Total MCQs = 219
All MCQs taken from Old MDCAT Tests
91. Compared to neuro transmitters„ hormones act:
(A) Faster
(B) On fewer cells
(C) For a shorter period of time
(D) Over longer distances
Answer:
(C) For a shorter period of time
92. Hormones are made from:
(A) Amino acids
(B) Modified amino acids
(C) Steroid
(D) All of the choices are correct
Answer:
(D) All of the choices are correct
93. As the sun comes up in the morning your blood level of what goes down and you wake up.
(A) Melatonin
(B) Cortisol
(C) Glucagon
(D) Adrenalin
Answer:
(A) Melatonin
94. Which hormone is most commonly associated with the “fight or flight” response to stress?
(A) Insulin
(B) Adrenalin
(C) Calcitonin
(D) Prolactin
Answer:
(B) Adrenalin
95. These two hormones are produced by the hypothalamus but stored in the posterior pituitary:
(A) Insulin and glucagon
(B) ADH and oxytocin
(C) Growth hormone and prolactin
(D) Thymosin and adrenalin
Answer:
(B) ADH and oxytocin
96. This hormone from the hypothalamus stimulates release of ACTH from the anterior pituitary:
(A) STHRRH
(B) TRH
(C) CRH
(D) ACTH
Answer:
(C) CRH
97. Thyroxin or thyroid hormone) travels through the bloodstream acting on many target cells to increase:
(A) Blood sugar
(B) Blood calcium
(C) Metabolism
(D) Anti-inflammatory reactions
Answer:
(C) Metabolism
98. The major target for ACTH is the:
(A) Pancreas
(B) Thyroid
(C) Liver
(D) Adrenal
Answer:
(D) Adrenal
99. Too much ACTH release causes hyperglycemia (high blood sugar) could also cause:
(A) Increased blood pressure
(B) Increased blood calcium
(C) Decreased body temperature
(D) Decreased metabolism
Answer:
(A) Increased blood pressure
100. A patient suffering from dwarfism is most likely deficient in:
(A) ADH
(B) PTH
(C) STH
(D) GnRH
Answer:
(C) STH
