Which one of the followings is the function of parasympathetic nervous system?
  • Stimulates oil and sweat glands in the skin
  • Pupil constriction
  • Acceleration of heart beat
  • Contraction of hair muscles
During resting state, fluid outside axon contains
  • low concentration of K
  • low concentration of Na
  • low concentration of Cl
  • high concentration of Cl
The basic cyclic pattern of inspiration and expiration are established by a respiratory center within the ______.
  • Cerebellum
  • Medulla oblongata
  • Cerebral cortex
  • Thalamus
The cutaneous plexus and the papillary plexus consist of
  • Specialized cells for cutaneous sensations
  • A network of arteries to provide dermal supply
  • A network of nerves to provide dermal sensation
  • Gland cells that release cutaneous secretions
The generation of excitation-contraction coupling involves all the following events except
  • Generation of end-plate potential
  • Release of calcium from troponin
  • Formation of cross-linkages between actin and myosin
  • Hydrolysis of ATP to ADP
Which portion of the brain is responsible for various emotions such as pleasure, fear, and happiness?
  • Thalamus
  • Reticular formation
  • Hypothalamus
  • Limbic system
Vestibular apparatus is made up of three semi circular canals. These canals lies at ____ degree angle to each other.
  • 30
  • 45
  • 60
  • 90
At a neuromuscular junction, synaptic vesicles discharge ______.
  • Acetylcholine
  • Epinephrine
  • Adrenaline
  • None of these
There are ______ pairs of cranial nerves arising from the brain.
  • 8
  • 12
  • 18
  • 25
When a neuron is in resting state i. e. not conducting any impulse, the axonal membrane is
  • Comparatively more permeable to K+ ions and nearly impermeable to Na+ ions
  • Comparatively more permeable to Na+ ions and nearly impermeable to K+ ions
  • Equally permeable to both Na+ and K+ ions
  • Impermeable to both Na+ and K+ ions
Which one of the following is the correct statement regarding the particular psychotropic drug specified?
  • Barbiturates cause relaxation and temporary euphoria
  • Hashish causes after thought perceptions and hallucinations
  • Opium stimulates nervous system and causes hallucinations
  • Morphine leads to delusions and disturbed emotions
The function of vagus nerve innervating the heart is to
  • Initiate the heart beat
  • Reduce the heart beat
  • Accelerate the heart beat
  • Maintain constant heart beat
Which of the following nerves is the largest of all the cranial nerves?
  • Abducens nerve
  • Oculomotor nerve
  • Olfactory nerve
  • Trigeminal nerve
Which of the following is not related to the autonomic nervous system?
  • Peristalsis
  • Digestion
  • Excretion
  • Memory and learning
Functions of smooth muscles, cardiac muscles, organs, and glands are regulated by ______ system.
  • Parasympathetic
  • Sympathetic
  • Central nervous
  • Autonomic
Which neuroglia cells produce a fatty insulating material called myelin?
  • Satellite cells
  • Schwann cells
  • Both (A) and (B)
  • Neither (A) nor (B)
Which layer is in contact with brain tissues?
  • Piamater
  • Arachnoid
  • Duramater
  • Piamater and Arachnoid
The thin and convoluted outer layer of gray matter that covers the cerebral hemispheres is
  • Medulla oblongata
  • Thalamus
  • Cerebral cortex
  • Meninges
Find the odd one.
  • Schwann cells
  • Nissl s granules
  • nephrons
  • synaptic knob
Select the correct statement from the ones given below
  • Cocaine is given to patients after surgery as it stimulates recovery
  • Barbiturates when given to criminals make them tell the truth
  • Morphine is often given to persons who have undergone surgery as a pain killer
  • Chewing tobacco lowers blood pressure and heart rate
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