NERVOUS SYSTEM (QUIZ ) 1. What is the basic unit of the nervous system? A.Glial cell B. Meninges C. Neuron D. Cerebrospinal fluid 2. The neuron cell is made up of which of the following parts? A. Axon B. Dendrite C. Nucleus E. All of the Above 3. Neurons come in which different type(s)? A. Sensory B. Motor C. Skeletal D. A and B 4. How do neurons communicate with one another? A. Electrically B. Chemically C. Through weak, radio-wave-like impulses D. A and B 5.Which of the following is a genetic disease that causes neurons in the brain to waste away and die? A. Multiple sclerosis B. Polio C. Encephalitis D. Huntington's disease 6.All the following are characteristics of synapses except? A.Transmit signal in one direction B.Can not integrate the impulse. C.Blocking for weak signals D.Can send multiple outputs from one single input impulse. 7.Pairs of cranial nerves in human ? a. 21pairs b. 11pairs c. 12pairs d. 31 pairs
8.When the axone membrane is positively charged outside and negatively charged inside, then the condition is known as? A. Action potential B. Resting potential C. Differential potential D. Active potential A. 9.The functional connection between two neurons is called? A.Chiasma B.Synapsis C.Synapse D.Chiasmata 10.In a myelinated neuron, two adjacent myelin sheaths are separated by the gaps called? A. Synaptic knob B. Neural plate C. Node of Ranvier D. Synaptic cleft 11.Pairs of Cranial nerves present in fishes and amphibians? A. 7 B. 12 C. 8 D. 10 12. Spinal nerves in frog and human A. 10, 30 B. 31, 12 C. 10 , 31 D. 31, 31 13.Bipolar neuron found in? A. Each joints B. Embryonic stage C. Cerebral cortex D. Retina of eye 14.Each fascicle is wrapped in a layer of connective tissue called the ---------? A. Endoneurium
B. Epineurium C. Perineurium D. Neurilemma 15.Amygdala, hippocampus and hypothalamus together constitude ? A. Limbic lobe B. Limbic system C. Olfactory bulb D. Both A and B 16. Hind brain is otherwise called? A. Prosencephalone B. Rombencephalone C. Mesencephalone D. Diencephalone 17.For maintaining ionic gradient Na- K pumb transport --------outward and ------in to the cell ? A.
2Na+ , 2k+
B.
3Na+ , 3K+
C.
3Na+ , 2K+
D.
2Na+ ,3K+
18.Longest cranial nerve is A. Vagus nerve B. Trochlear nerve C. Abducens nerve D. Trigeminal nerve 19.Lou Gebrig’s disease is also known as---------A. HUNTINGTON DISEASE B. ALZHEIMER'S DISEASE
C. MULTIPLE SCLEROSIS D. AMYOTROPHIC LATERAL SCLEROSIS 20 . Relay station in brain ? A. Hypothalamus B. Thalamus C. Cerebellum D. Cerebrum 21.Which part of brain control salvation, vomiting, sneezing and coughing ? A.
Thalamus
B.
Cerebellum
C.
Cerebrum
D.
Medulla Oblongata
22. 2 cerebral hemispheres are held together by ------A. Corpus collusum B. Corpora quardigemina C. Longitudinal nerve fibre D. Spinal cord 23. CSF is filled in A. Subarachinoid space B. Ventricles of brain C. Between piamater and arachnoid D. All the above 24. The pathway of impuses in a reflex action is called A. Conduction B. Reflex arc C. Nerve impulse
D. Action potential 25. Number of brains in hydra A. 13 B. 1 C. No brain D. 2 26. Fluid filled space between pre and post synaptic neuron ? A. Axoplasm B. Synaptic Cleft C. CSF D. Spinal fluid 27. Which part of the brain controls sleep, wakefulness, BP and heart rate? A. Cerebrum B. Thalamus C. Hypothalamus D. Pons 28. 4 round lobes present in midbrain is----A. Limbic lobe B. Corpora quardigemina C. Parietal lobe D. Arbour Vitae 29. --------- Pairs of thoracic spinal nerves are present in human A. 8 pairs B. 12 pairs C. 5 pairs D. 31 pairs
30. Gray matter includes : A. Concentrated cell body B. Unmyelinated axone C. Myelinated axone D. Both A and B