311. Adrenaline directly affects on
A
S. A. node
B
b-cells of Langerhans
C
dorsal root of spinal cord
D
epithelial cells of stomach
Answer :
S. A. node
312. Which of the following is the part of mid brain of rabbit
A
Cerebrum
B
Diencephalon
C
Corpora quadrigemina
D
None of the above
Answer :
Corpora quadrigemina
313. Choroid plexus is a network of
A
Nerves
B
Muscle fibers
C
Capillaries
D
Lymph vessels
Answer :
Capillaries
314. A person is having problems with calcium and phosphorus metabolism in his body. Which one of following glands may not be functioning properly ?
A
Parotid
B
Pancreas
C
Thyroid
D
Parathyroid
Answer :
Parathyroid
315. Hypothalamus is situated on the
A
Upper lateral surface of diencephalon
B
Lower lateral surface of diencephalon
C
Ventral side of optic lobes
D
Dorsal side of optic lobes
Answer :
Lower lateral surface of diencephalon
316.
Identify $$A, B$$ and $$C$$ in the diagrammatic representation of the mechanism of hormone action.
Select the correct option from the following:
A
$$A$$ = Protein hormone; $$B$$ = Cyclic AMP; $$C$$ = Hormone-receptor complex
B
$$A$$ = Steroid hormone; $$B$$ = Hormone- receptor complex; $$C$$ = Protein
C
$$A$$ = Protein hormone; $$B$$ = Receptor $$C$$ = Cyclic AMP
D
$$A$$ = Steroid hormone; $$B$$ = Receptor; $$C$$ = Second messenger
Answer :
$$A$$ = Protein hormone; $$B$$ = Receptor $$C$$ = Cyclic AMP
317. Which of the following hormones helps in the contraction of uterus during child birth
A
ADH
B
Androgen
C
Oxytocin
D
Glucocorticoid
Answer :
Oxytocin
318. Bombycol is a pheromone secreted by the body of
A
Wasp
B
House fly
C
Spider
D
Silk moth
Answer :
Silk moth
319. Sheath of Schwann occurs on
A
Neurons
B
Axon
C
Dendrons
D
Neuroglia
Answer :
Axon
320. Nicotine acts as a stimulant, because it mimics the effect of
A
thyroxine
B
acetylcholine
C
testosterone
D
dopamine
Answer :
acetylcholine