The neurotransmitter released by postganglionic parasympathetic neurons is:
1. acetylcholine
2. norepinephrine
3. epinephrine
4. dopamine

Parkinson disease, caused by lack of dopamine in substantia nigra, is not characterized by:
1. Tremor
2. Rigidity
3. Hypokinesia
4. Flaccid paralysis

Very fast correction during the ongoing rapid muscular activity initiated elsewhere is done by:

Light skin touch is sensed by _____ receptors.
1. Pacinian
2. Meissner
3. free nerve endings
4. nociceptor

When a patient is given an analgesic his pain:
1. increases
2. decreases
3. remains unaltered
4. first increases than decreases

What type of neurons is found in the olfactory membrane?

1. pseudo-unipolar
2. multipolar
3. unipolar
4. bipolar

The ear ossicle, stapes, transmits vibrations from incus to the:

1. malleus
2. tympanic membrane
3. oval window
4. round window

In the internal ear, the membranous labyrinth is filled with:

1. cerebrospinal fluid
2. plasma
3. endolymph
4. perilymph

Reissner's membrane is a thin membrane that separates the scala media from the:

1. oval window
2. scalavestibuli
3. scala tympani
4. round window

The primary auditory area is located in:

1. medial geniculate body of thalamus
2. midbrain
3. temporal lobe
4. medulla oblongata