Few sample questions for CET in NERVOUS SYSTEM AND ENDOCRINE FUNCTIONS OF THE PITUITARY

1. The medulla oblongata continues posteriorly as spinal cord through an opening of the cranium called
   (1) foramen magnum
   (2) foramen ovale
   (3) foramen of Monro
   (4) oburator foramen
2. The growth of corpus leuteum is initiated by
   (1) FSH
   (2) PRL
   (3) ICSH
   (4) estrogen
3. The two cerebral hemispheres are connected by a transverse band of tissue called
   (1) corpus adiposum
   (2) corpus callosum
   (3) corpus striatum
   (4) corpus allata
4. The rhombencephalon consists of
   (1) cerebrum
   (2) cerebellum, medulla oblongata & pons
   (3) cerebrum & cerebellum
   (4) cerebrum, medulla oblongata & pons
5. The ‘brain stem’ consists of
   (1) cerebellum and medulla oblongata
   (2) mid brain and medulla oblongata
   (3) pons and medulla oblongata
   (4) mid brain, pons and medulla oblongata
6. This layer forms the outermost covering of brain
   (1) arachnoid
   (2) piamater
   (3) duramater
   (4) CSF
7. Various releasing factors which stimulate the secretion of hormones are present in
   (1) pituitary
   (2) pineal gland
   (3) thalamus
   (4) hypothalamus
8. Inadequate secretion of corticosteroids of the adrenal gland causes
   (1) Cushing’s syndrome
   (2) myxoedema
   (3) Simmond’s disease
   (4) Addison’s disease
9. Which one of the nervous disorders is characterised by symptoms like bradykinesia, akinesia and tremors ?
   (1) epilepsy
   (2) Alzheimer's disease
   (3) Parkinson's disease
   (4) Huntington's chorea
10. In an accident, a person’s brain was injured due to which he could not regulate body temperature, hunger and water balance. Which one of the following parts of his brain was affected ?
    (1) hypothalamus
    (2) medulla oblongata
    (3) cerebellum
    (4) pons
11. Lateral ventricles are present in
    (1) cerebrum
    (2) cerebellum
    (3) medulla
    (4) spinal cord
12. Identify from the following, a hormone produced by the pituitary gland in both males and females but fuctional only in females
    (1) vasopressin
    (2) relaxin
    (3) prolactin
    (4) STH
13. Match the different terms listed under column I with the meanings given under column II; choose the answer which gives the correct combination of alphabets of the two columns.
    Column I Column II
    A. Sulci p. Lateral fissure
    B. Gyri q. Intersection of the two optic nerves
    C. Optic chiasma r. Shallow grooves on the cerebrum
    D. Sylvian fissure s. Central fissure
    t. Convolutions or folds on cerebrum
    (1) A=t, B=s, C=q, D=p
    (2) A=t, B=r, C=q, D=p
    (3) A=r, B=t, C=q, D=p
    (4) A=r, B=s, C=q, D=t
14. A region that selectively accumulates iodine in the body is
    (1) thymus
    (2) spleen
    (3) thyroid
    (4) pituitary
15. The dorsal root of a spinal nerve is
    (1) sensory
    (2) motor
    (3) mixed
    (4) non nervous
16. Adenohypophysis is formed from
    (1) hypothalamus
    (2) Rathke’s pouch
    (3) mesenteron
    (4) prosencephalon
17. The ‘yellow body’ in the ovary is responsible for production of
    (1) progesterone
    (2) FSH
    (3) LH
    (4) lactogenic principle
18. Hallucinogenic drug among the following is
    (1) morphine
    (2) cocaine
    (3) LSD
    (4) heroin
19. Read the two statements A and B and identify the correct choice from those given;
    Statement A: ADH is a hormone of the adenohypophysis.
    Statement B: Vasopressin is necessary for the dilution and concentration of urine.
    (1) statement A is true & B is wrong
    (2) statement B is true & A is wrong
    (3) both the statements A & B are true
    (4) both the statements A & B are wrong
20. Respiration, heart beat and peristalsis are controlled by
    (1) medulla oblongata
    (2) medulla oblongata and cerebrum
    (3) medulla oblongata and cerebellum
    (4) cerebellum
21. Corpora quadrigemina is located in
    (1) prosencephalon
    (2) diencephalon
    (3) mesencephalon
    (4) rhombencephalon
22. Match the functions listed under column I with the parts of the brain given under column II; choose the choice in which the alphabets of the two columns are correctly matched
    Column I (Functions) Column II (parts of brain)
    A. Reflex actions p. Hypothalamus
    B. Temperature control, sleep, appetite, etc., q. Corpora quadrigemina
    C. Visual and auditory reflexes r. Spinal cord
    D. Bridge between mid brain & medulla oblongata s. Cerebrum
    t. Pons
    (1) A=r, B=p, C=q, D=t
    (2) A=r, B=t, C=p, D=s
    (3) A=q, B=p, C=s, D=t
    (4) A=s, B=r, C=q, D=t
23. `Huntingson’s chorea’ is a disease
    (1) which affects the kidney
    (2) with degeneration of nervous system leading to involuntary shaking of head, arms and legs
    (3) similar to diabetes
    (4) common in Korea
24. In a human being, the number of spinal nerves is
    (1) 31 pairs
    (2) 12 pairs
    (3) 10 pairs
    (4) 6 pairs
25. Match the hormones listed under column I with the roles given under column II; choose the choice in which the alphabets of the two columns are correctly matched
    Column I (Hormones) Column II (Roles)
    A. FSH p. Preparation of endometrium for implantation
    B. LH q. Female secondary sexual characters
    C. Progesterone r. Contraction of uterine muscles
    D. Estrogen s. Development of corpus leuteum
    t. Maturation of graafian follicle
    (1) A=q, B=s, C=p, D=r
    (2) A=t, B=p, C=s, D=q
    (3) A=r, B=t, C=s, D=q
    (4) A=t, B=s, C=p, D=q
26. Consider the following sttements;
    (i) grey matter surrounds the white matter in the brain
    (ii) grey matter surrounds the white matter in the spinal cord
    (iii) white matter surrounds the grey matter in the spinal cord
    (iv) white matter surrounds the grey matter in the brain
    Of these statements:
    (1) (i) alone is correct
    (2) (i) and (iii) are correct
    (3) (i) and (iv) are correct
    (4) (iv) alone is correct
27. A person excretes a large quantity of dilute urine and drinks a large quantity of water. But, his blood glucose level is normal. This may be because of
    (1) hyposecretion of insulin by the pancreas
    (2) hyposecretion of vasopressin by the posterior pituitary
    (3) hypersecretion of glucagon by the pancreas
    (4) decrease in glucose level in urine
28. LSD, morphine and bhang are respectively obtained from
    (1) Claviceps, Cannabis and Rauwolfia
    (2) Cannabis, Claviceps and Fusarium
    (3) Claviceps, Rauwolfia and Papaver
    (4) Claviceps, Papaver and Cannabis
29. Match the parts of brain listed under column I with the functions given under column II; choose the choice in which the alphabets of the two columns are correctly matched
    Column I (Parts of brain) Column II (Function)
    A. Cerebral hemisphere p. Relaying impulses
    B. Thalamus q. Posture and balance
    C. Cerebellum r. Movement of heart, lungs, stomach, etc.,
    D. Medulla oblangata s. Reflex actions
    t. Voluntary control, intelligence, hearing, speech
    (1) A=t, B=q, C=p, D=s
    (2) A=t, B=p, C=q,D=r
    (3) A=t, B=s, C=q, D=t
    (4) A=r, B=q, C=p, D=r
30. The neural pathway involved in sudden, automatic and stereotyped response to any kind of stimulus brought about by the spinal cord is
    (1) reflex action
    (2) reflex arc
    (3) saltatory conduction
    (4) spinal reflex
31. The part of hind brain responsible for ‘hand – eye’ coordination is
    (1) pons
    (2) medulla oblongata
    (3) hypothalamus
    (4) cerebellum
32. Match the name of the commonly abused drug listed under column I with the example given under column II; choose the choice which gives the correct combination of the alphabets of the two columns
    Column I (Abused drug) Column II (Example)
    A. Opiates p. Ganja and charas
    B. Stimulants q. Nembutol and secanol
    C. Hallucinogens r. Benzedrine and methedrine
    D. Depressants s. Rum and whisky
    t. Opium and heroin
    (1) A=s, B=t, C=r, D=p
    (2) A=t, B=q, C=r, D=q
    (3) A=t, B=r, C=q, D=p
    (4) A=t, B=r, C=p, D=q
33. Which part of the human brain controls the breathing movements ?
    (1) medulla oblongata
    (2) cerebellum
    (3) diencephalons
    (4) cerebrum
34. Parkinson’s disease is caused by the degeneration of brain neurons that are involved in movement control and make use of neurotransmitter
    (1) acetyl choline
    (2) norepinephrine
    (3) dopamine
    (4) GABA
35. Column I lists some disorders associated with brain. Column II lists the causes for these disorders. Match the two columns and identify the correct option from those given
    Column I Column II
    A. Epilepsy p. degeneration of neurons in cerebral cortex
    B. Alzheimer's disease q. irregular electrical discharges in the neurons
    C. Parkinson's disease r. decreased production of acetyl choline
    D. Huntington's chorea s. degeneration of dopamine releasing neurons
    t. formation of blood clots in the brain
    (1) A=t, B=s, C=r, D=p
    (2) A=q, B=r, C=p, D=s
    (3) A=q, B=r, C=s, D=p
    (4) A=q, B=s,C=r, D=p
36. Which hormone is not produced by the pituitary gland ?
    (1) FSH
    (2) MSH
    (3) prolactin
    (4) oxytocin
37. Aqueduct of Sylvius is found between
    (1) lateral ventricles
    (2) optocoel
    (3) third ventricle
    (4) third and fourth ventricles
38. Affarent nerve fibre carries impulses from
    (1) effector to CNS
    (2) receptor to CNS
    (3) CNS to muscle
    (4) CNS to receptor
39. Foramen of Monroe in the brain is an aperture between
    (1) 3rd and 4th ventricles
    (2) rhinocoel and diacoel
    (3) lateral and 3rd ventricles
    (4) diacoel and metacoel
40. CSF is formed by
    (1) ependymal cells
    (2) choroid plexus
    (3) neurons
    (4) neuroglial cells
41. Pneumotaxic centre is present in
    (1) thalamus
    (2) pons
    (3) medulla oblongata
    (4) cerebrum
42. Which of the following hormones is not a protein or peptide ?
    (1) oxytocin
    (2) ADH
    (3) insulin
    (4) progesterone
43. If an adult human female took a drug that inhibited the release of LH, which of the following would not occur ?
    (1) the menstrual cycle
    (2) the release of an ovum from a mature follicle
    (3) secretion of estrogen by the follicular cells
    (4) secretion of GnRH (gonadotropin releasing hormone) from the hypothalamus
44. The non-excitable and variously shaped cells found between the neurons are
    (1) glial cells
    (2) Schwann cells
    (3) dendrites
    (4) tigroid bodies