Which brain disease involves degeneration of cholinergic neurons in certain brain regions, causing deterioration of cognitive and intellectual functions in the elderly?
1. Schizophrenia
2. Depression
3. Alzheimer disease
4. Cerebral Palsy

What would happen if you had an unusually short basilar membrane in the cochlea?
1. Your sense of balance would be affected.
2. You would not be able to detect very high frequency sounds.
3. You would not be able to detect very low frequency sounds.
4. All sounds would be muffled

Which statement is not correct concerning rods and cones?
1. Rods are responsible for black and white vision.
2. Cones are responsible for color vision.
3. Most of the rods and cones are concentrated in the fovea.
4. Cones are responsible for high visual acuity or sharpness.

The actual receptors for hearing and balance are the _____.
1. mechanoreceptors
2. otoliths
3. cochlear cells
4. hair cells

The _____ acts to keep one aroused and awake.
1. vasomotor center
2. corpora quadrigemina
3. diencephalon
4. reticular formation

Five events in the transmission of nerve impulse across the synapse -

In which sequence do these events occur?

1. E$\to$ D$\to$ C $\to$B $\to$A
2. A $\to$B $\to$C $\to$D$\to$ E
3. A $\to$B $\to$D $\to$C $\to$E
4. E $\to$D $\to$C $\to$A $\to$B

Mark the correct statement:

Go through the following characterization of Sympathetic and. Parasympathetic Nervous System.
I. Dilates pupil,
II. $\uparrow$ Heart rate, BP (Vasoconstriction) $\uparrow$ Glycogenolysis, dilates bronchi.
III. Constricts pupil.
IV. Induces ejaculation.
V. $\uparrow$Gastric secretion, $\uparrow$ salivary secretion, $\uparrow$peristalsis.
VI. Erection and urination.
1. Sympathetic - III, V, VI; Parasympathetic - I, II, IV
2. Sympathetic - I, II, IV; Parasympathetic - III, V, VI
3. Sympathetic M II, IV, VI; Parasympathetic - I, III, V
4. Sympathetic - I, III, V; Parasympathetic - II, IV, VI

Human body temperature is regulated by the centre located in:

1. Cerebrum                 

2. Cerebellum

3. Medulla                   

4. Hypothalamus

In the human eye, there are three types of cones – red, blue, and green. When these cones are stimulated equally, a sensation for which of the following colors would be produced?
1. White
2. Black
3. Orange
4. Yellow