The space between the cornea and the lens in human eye is filled with:
1. Aqueous humor | 2. Vitreous humor |
3. Lymph | 4. Air |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The ear ossicles transmit sound waves to:
1. Ear drum | 2. Oval window |
3. Round window | 4. Cochlear duct |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Consider the two statements:
I: | Electric synapses are rare in our system. |
II: | Impulse transmission across electric synapse is always faster than across a chemical synapse. |
1. Both I and II are correct and II explains I
2. Both I and II are correct and II does not explain I
3. Only I is correct
4. Only II is correct
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The primary commissural region of the brain consisting of white matter tracts that connects the left and right cerebral hemispheres is called as:
1. corpus striatum | 2. corpus luteum |
3. corpus callosum | 4. corpus spongiosum |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The scala vestibuli and scala tympani contain perilymph and are connected at the:
1. cochlear duct | 2. helicotrema |
3. semicircular duct | 4. vestibule |
The cranial meninge that is in contact with the brain tissue is the:
1. Dura mater | 2. Arachanoid mater |
3. Pia mater | 4. Grey matter |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Match each item in Column I [part of the brain] with one in Column II [function] and select the answer from the codes given below:
|
Column I |
|
Column II |
A. |
Medulla oblongata |
a. |
Motor control |
B. |
Pons varoli |
b. |
Hunger center |
C. |
Cerebellum |
c. |
Bridge between cerebellum and rest of brain |
D. |
Hypothalamus |
d. |
Gastric secretions, respiratory rhythm center |
Codes
A | B | C | D | |
1. | c | d | b | a |
2. | d | c | a | b |
3. | c | d | a | b |
4. | d | c | b | a |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals is called as:
1. Action potential
2. Threshold potential
3. Reversal potential
4. Excitatory post synaptic potential
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Match each item in Column I [part of the brain] with one in Column II [function] and select the answer from the codes given below:
|
Column I |
|
Column II |
A. |
Amygdala |
a. |
Relays motor and sensory signals to the cerebral cortex |
B. |
Hippocampus |
b. |
Reflex centers involving vision and hearing |
C. |
Thalamus |
c. |
Plays a key role in the processing of emotions |
D. |
Corpora quadrigemina |
d. |
Formation of new memories and is also associated with learning and emotions |
Codes
A | B | C | D | |
1. | c | d | b | a |
2. | d | c | a | b |
3. | c | d | a | b |
4. | d | c | b | a |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
What causes the movement of the synaptic vesicles towards the membrane during transmission of impulse across a chemical synapse?
1. Sodium | 2. Calcium |
3. cAMP | 4. cGMP |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.