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Neural Control And Coordination

460 Questions Start Allen Test
All Exams Allen Errorless
AIIMS 1992 Q201 Errorless Generation and Conduction of Nerve Impulse MCQ
Preparation of the type of stimulus depends on the
A.
Strength of the nerve impulse
B.
Specificity of connection to receptor organs
C.
Rate of the nerve impulse
D.
Ionic change moving in and out of the nerve
CBSE PMT 1992; Bihar CECE 2006; MP PMT 2013 Q202 Errorless Generation and Conduction of Nerve Impulse MCQ
The following hormones are neurotransmitters
A.
Acetylcholine and secretin
B.
Cholecystokinin and acetylcholine
C.
Adrenalin and acetylcholine
D.
Cholecystokinin and adrenalin
CBSE PMT 1992 Q203 Errorless Generation and Conduction of Nerve Impulse MCQ
Afferent nerve fibres carry impulses from
A.
Effector organs to central nervous system
B.
Receptors to central nervous system
C.
Central nervous system to muscles
D.
Central nervous system to receptors
CBSE PMT 1992; BVP 1997, 2001; KCET 1998; Wardha 2005; WB JEE 2016 Q204 Errorless Critical Thinking MSQ
Vagus (Pneumogastric) nerve is
A.
Spinal nerve
B.
Sympathetic nerve
C.
X-cranial nerve
D.
Parasympathetic nerve
CPMT 1992 Q205 Errorless Critical Thinking MCQ
The jumping of action potential from node to node (of Ranvier) in a fibre is called
A.
All or none principle
B.
Threshold stimulus
C.
Nodal conduction
D.
Saltatory conduction
CPMT 1992 Q206 Errorless Self Evaluation Test MCQ
The rate of conduction in myelinated fibre of a mammal is very high because
A.
Synapses are less frequent
B.
Action potential is faster and numerous
C.
Action potential jumps from node to node
D.
Membrane is depolarised faster
CBSE PMT 1991; AFMC 1995 Q207 Errorless Self Evaluation Test MCQ
Which set of ions are required during conduction of the nerve impulse
A.
Na and Ca
B.
Ca and Mg
C.
Na and K
D.
Na and Mg
CBSE PMT 1990 Q208 Errorless Development of central nervous system in human MCQ
Which one of the following is essential for the formation of myelin sheath
A.
Zinc
B.
Sodium
C.
Iron
D.
Phosphorus
CBSE PMT 1990; MP PMT 1996; Odisha JEE 2009 Q209 Errorless Human nervous system MCQ
Which of the following cranial nerves innervates heart, stomach and lungs
A.
Vagus
B.
Accessory
C.
Trigeminal
D.
Trochlear
CBSE PMT 1990 Q210 Errorless Human nervous system MCQ
Third ventricle of rabbit's brain is called
A.
Rhinocoel
B.
Rhombocoel
C.
Diocoel
D.
None of these
CBSE PMT 1990 Q211 Errorless Critical Thinking MCQ
Which one is the function of parasympathetic nervous system in mammals
A.
Acceleration of heart beat
B.
Constriction of pupil
C.
Stimulation of sweat glands
D.
Contraction of arrector pilli muscles
Q212 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nissl's bodies found in neurons are :-
A.
Made of DNA
B.
Masses of RER
C.
Help in formation of neurofibrils
D.
Masses of mitochondria
Q213 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
"Nodes of Ranviers" are found in :-
A.
Brain
B.
Heart
C.
Axon
D.
Eye
Q214 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Afferent nerve fiber conducts impulse from :-
A.
C.N.S. to effector
B.
Receptor to C.N.S.
C.
Receptor to effector
D.
Effector to receptor
Q215 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nissl granules occur in which part and what is their function ?
A.
Neurons and help in protein synthesis
B.
Blood and help in nutrition and excretion
C.
Sarcoplasm and help in contraction
D.
Mucous cell and secrete mucous
Q216 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
The parts of the neurons that perform basic cellular functions such as protein synthesis etc. :ā€“
A.
Axons
B.
Axon hillock
C.
Synaptic knobs
D.
Soma
Q217 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
The nerves leading to the central nervous system are called :-
A.
Afferent
B.
Efferent
C.
Motor
D.
None
Q218 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Unit of nervous system :-
A.
Neuron
B.
Neuroglia
C.
Axon
D.
Cyton
Q219 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Integrative system in the body are :-
A.
Endocrine system
B.
Nervous system
C.
Blood vascular system
D.
Both (1) & (2)
Q220 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
The Schwann sheath is :-
A.
A non-myelinated nerve fibres
B.
Associated with myelin sheath
C.
A connective tissue cell
D.
Associated with myelinated & non-myelinated nerve fibre
Q221 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Rapid integration of the functional activities in human is achieved by :-
A.
Nervous system
B.
Endocrine system
C.
Blood
D.
Muscular system
Q222 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Which one of the following types of neurons are most numerous in the body ?
A.
Unipolar
B.
Multipolar
C.
Bipolar
D.
Pseudounipolar
Q223 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Sheath of schwann occurs on :-
A.
Neurons
B.
Axons
C.
Dendrons
D.
Neuroglia
Q224 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Which cell-organellae absent in neurons ?
A.
Mitochondria
B.
Ribosome
C.
Centriole
D.
Nucleus
Q225 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nerve fibres are surrounded by an insulating fatty layer called :-
A.
Adipose sheath
B.
Myelin sheath
C.
Hyaline sheath
D.
Peritoneum