MCQs Biology F.Sc. Part 2 ( 2nd Year )
Chapter No.17
Coordination and Control
Total MCQs = 219
All MCQs taken from Old MDCAT Tests
81. Alzheimer disease (AD), is a progressive, degenerative brain disease. Its symptoms include:
(A) Dementia
(B) Hallucination
(C) Delusions
(D) All (A), (B) and (C)
Answer:
(D) All (A), (B) and (C)
82. Endocrine glands typically:
(A) Arc ductless
(B) Release enzymes
(C) Release neurotransmitters
(D) Release their contents out of the body
Answer:
(A) Arc ductless
83. Islets of Langerhans are found in the:
(A) Thyroid
(B) (B) Thymus
(C) Pancreas
(D) Pituitary
Answer:
(C) Pancreas
84. Cortisol is released from the
(A) Parathyroid
(B) Adrenal cortex
(C) Hypothalamus
(D) Posterior pituitary
Answer:
(B) Adrenal cortex
85. Calcium is released from bone into the bloodstream due to the action of:
(A) ADH
(B) GnRH
(C) LH
(D) PTH
Answer:
(D) PTH
86. Aldosterone is produced by which gland that causes reabsorption:
(A) Thyroik; sodium
(B) Pituitary; water
(C) Adrenal; sodium
(D) Thymus; white blood cells
Answer:
(C) Adrenal; sodium
87. Blood calcium is lowered by the hormone:
(A) Calcitonin
(B) Glucagon
(C) Adrenalin
(D) Thyroxine
Answer:
(A) Calcitonin
88. An oversecretion of GH or (STH) would lead to
(A) Goiter
(B) Diabetes
(C) Infertility
(D) Gigantism
Answer:
(D) Gigantism
89. Which pair of hormones act antagonistically?
(A) Glucagon and Cortisol
(B) Insulin and Adrenalin
(C) Luca of and insulin
(D) Glucagon and Adrenalin
Answer:
(C) Luca of and insulin
90. This hormone would be at an increased level in a mother who is breast feeding:
(A) Thyroxine
(B) Prolactin
(C) Aldosterone
(D) Insulin
Answer:
(B) Prolactin