Neural control and coordination practice · Mixed difficulty

A neuron is a …… structure

Which helps the equalizing the pressure on either side of the ear drum

Which of the following is not related to the autonomic nervous system?

Assertion (A): Nerve impulse conduction is one way conduction.

Reason (R): Neurotransmitter are only present at axon terminals.

Vestibular apparatus contains

Which of the following statements are true w.r.t. association areas of brain? (A) These areas are responsible for complex functions like intersensory associations, memory and communication
(B) There are large regions present in cerebral cortex
(C) It is consistuted of white matter
(D) These are related with motor signalling only

Ampulla of Lorenzini are thermoreceptors which are found in

$N{a^ + }$ -${K^ + }$ pump is found in membranes of many cells, like nerve cells. It works against electrochemical gradient and involve of ATP used

Which of the following cranial nerve controls the movement of tongue?

Association areas in forebrain of humans are associated with
a. Communication b. Memory c Intersensory associations
Choose the option which includes all the correct ones

Which of the following statement is true regarding the role of acetycholine in nerve physiology?

The afferent nerve fibres transmit impulses

Which of the following statement is correct for nodes of Ranvier of a nerve?

Assertion : Neurons regulates the endocrine
activity but not vice-versa.

Reason : Endocrine gland regulates neural activity
and neural activity regulates endocrine gland.

Autonomic nervous system affects

How many pairs of spinal nerve are found in human?

Which of the following statement(s) is/are false about the electrical synapse?

(a) Electrical current can flow directly from one neuron into the other across the synapses.

(b) At electrical synapses, the membranes of pre and post-synaptic neurons are in very close proximity.

(c) Electrical synapses are rare in our system.

(d) Electrical synapses pass electrical signals between cells with the use of acetylcholine.

(e) Electrical synapses are fast.

(f) Transmission of an impulse across electrical synapses is very similar to impulse conduction along single axon.

Which of the following structures is not a part of prosencephalon/forebrain?

Assertion : The imbalance in concentration of
$N{a^ + },{K^ + }$ and proteins generates resting potential.

Reason : To maintain the unequal distribution
of $N{a^ + }\,\& \,{K^ + }$, the neurons use electrical energy.

Carefully read the following statements and choose the option that correctly fill the blanks (A) and (B).
In human ear, the membranous labyrinth is surrounded by a fluid called A, and is itself filled with a fluid called B.

Cranium is the protective covering of

The electrical potential difference across the resting plasma membrane is called as

The cell body of neuron contains of

Which of the following pairs is correctly matched?

The cutaneous plexus and the papillary plexus consists

During the conduction of nerve impulse, the repolarization occurs with the

Consider the statements as True/False
I. The axoplasm inside the axon contains high concentration of ${K^ + }$ and negatively charged proteins
II. The axoplam inside the axon contains low concentration of $N{a^ + }$
III. The fluid outside the axon contains a low concentration of ${K^ + }$
IV. The fluid outside the axon contains a high concentration of $N{a^ + }$ and negatively charged proteins
The correct option is

If the threshold for hearing increasing 1000 times, the hearing loss is

Length of the spinal cord is

Which of the following is not involved in the knee jerk-reflex?