Human Nervous and Endocrine Systems
Medical entrance biology quiz covering human nervous system anatomy, physiology, and endocrine system function
Questions
In man, PTH or parathyroid hormone
- reduces blood calcium level
- stimulates calcitonin release
- is produced by the thyroid gland
- is released when blood calcium level falls
The two hemispheres of cerebrum are connected by
- splenium
- corpus callosum
- island of reil
- genu
Which of the following waves are shown in EEG of a normal human?
- Alpha, beta and delta
- Beta and theta
- Alpha, beta, theta and delta
- Alpha, theta, beta and gamma
During hanging which vertebra breaks that leads to instant death?
- Axis
- Atlas
- Lumbar
- Optic
Which of the four are collectively known as brain stem?
- Pons varolii, mid brain, medulla oblongata and diencephalon
- Pons varolli, mid brain, cerebellum and thalamus
- Medulla oblongata, cerebellum, pons varolii and cerebrum
- Hypothalamus, thalamus, mid brain and cerebellum
How many pairs of cranial nerves do humans have?
- 12
- 26
- 10
- 35
A frog has only two meninges. Which are they?
- Duramater and arachnoid
- Duramater and piamater
- Piamater and arachnoid
- Epiduralspace and duramater
Which is the longest cranial nerve?
- Trochlear
- Trigeminal
- Vagus
- Vestibular
The convolutions present in cerebral hemisphere help in
- control and co-ordination
- sensation of light
- increase the surface area of the cortex
- perception of sensation
The brain forms about how much % of the weight of the whole CNS?
- 98%
- 70%
- 88%
- 100%
Natural pain killers produced in the brain are
- analgesics
- endorphins
- neurotoxins
- neurins
The important areas present in temporal lobe are
- broca's area and motor area
- visual areas
- premotor area and somesthetic
- olfactory, auditory and wernicke's area
Auditory nerve is formed by
- vestibular and trochlear nerve
- cochlear nerve
- trochlear and cochlear nerve
- vestibular and cochlear nerve
In case of multiple sclerosis, destruction of ________________ occurs.
- axon
- dendrite
- myelin sheath
- nervous tissue
Pick up the examples of simple reflexes.
- Knee jerk and coughing
- Dancing and cycling
- Singing and running
- Swimming and driving
The yellow spot is also known as
- optic disc
- ora serrata
- fovea centralis
- macula lutea
Which portion of eye does not get blood supply?
- Sclera
- Cornea
- Choroid
- Iris
The epithelium of ciliary process continuously secretes watery fluid known as
- aqueous humour
- vitreous humour
- median rectus
- ora terminalis
Hypothalamus is an important link between the
- nervous system and endocrine system
- endocrine system and exocrine system
- exocrine system and nervous system
- nervous system and circulation system
Which of the following receptors responds to heat and temperature?
- Ruffini's corpuscles
- Photoreceptor
- Krause's corpuscles
- Algesi receptors
Which of the following fluids cannot be replaced in any significant quantity?
- Vitreous humour
- Cerebrospinal fluid
- Pleural fluid
- Aqueous humour
Which of the following cavities is not found in human beings?
- Rhinocoel
- Paracoel
- Diocoel
- Metacoel
Nervous tissue is without ____________ vessels.
- blood
- capillaries
- lymphatic
- efferent
What is the other name of hindbrain?
- Prosencephalon
- Rhombencephalon
- Mesencephalon
- Telencephalon
Graves disease is due to
- hyposecretion of thyroxine
- hypersecretion of thyroxine
- deficiency of thyroxine
- hypersecretion of parathyroid hormone