Biology

Nervous System Physiology

1,959 Questions

Enhance your knowledge of human neurobiology through questions on nervous system physiology. The topics cover brain anatomy, sensory modalities, and the neural mechanisms controlling speech and language. This resource is ideal for students preparing for medical and general science exams.

Brain anatomy and regionsNeural mechanismsLanguage processingSensory functions

Nervous System Physiology Questions

Multiple choice zoology nervous system nervous systems involved in emotions types of nervous system components of nervous system

Centre of autonomic nervous system is located in

  1. Hypothalamus

  2. Medulla oblongata

  3. Cerebellum

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • Autonomous system the part of the nervous system responsible for the control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.
  • Centre of the autonomic nervous system is located in Hypothalamus and Medulla oblongata.
  • So, the correct answer is 'Both A and B'.
Multiple choice zoology nervous system nervous systems involved in emotions types of nervous system components of nervous system

Which of the following is not a sympathetic effect?

  1. Increased blood pressure

  2. Increased storage of glycogen from glucose

  3. Increased heart rate

  4. Increased constriction of the blood vessels
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The parasympathetic nervous system decreases respiration and heart rate and increases digestion. Stimulation of the parasympathetic nervous systems results in the construction of pupils. Salivation, decrease heart rate and blood pressure.

So, the correct option is 'Increased storage of glycogen from glucose'.

Multiple choice biology structure and functions of living organisms -ii nervous system in animals structure of neuron structure and function of neuron role of receptors in the mouth types of teeth circulatory system and organs

The organ that helps us to recall and analyse is 

  1. Muscles

  2. Brain

  3. Spinal cord

  4. Nerve
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The brain regulates an array of functions necessary for survival. The brain houses our mind and our memories. Most available evidence suggests that the functions of memory are carried out by the hippocampus and other related structures in the temporal lobe of the brain. The brain also helps in the analysis of various body functions.

So, the correct answer is 'Brain'.

Multiple choice biology plant and animal tissues nervous system in animals structure of neuron structure and function of neuron

An investigator places an isolated neuron in a calcium-free medium, gives the neuron a suprathreshold stimulus and then performs an assay to test whether neurotransmitter is released into the medium. Which of the following outcomes would you predict?

  1. No neurotransmitter is detected since influx of calcium into the synaptic knob is required for neurotransmitter release.

  2. No neurotransmitter is detected since influx of calcium is required in order for the neuron to conduct an action potential.

  3. Neurotransmitter is detected since calcium is not required for action potential conduction and the initial stimulus was suprathreshold.

  4. We cannot predict the outcome without knowing whether the neuron was myelinated or non-myelinated.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Calcium influx into the synaptic terminal is essential for the exocytosis of neurotransmitter vesicles. Without extracellular calcium, the neurotransmitter cannot be released even if the action potential reaches the terminal.

Multiple choice biology plant and animal tissues nervous system in animals structure of neuron structure and function of neuron

Choose the correct answer from the alternatives given.
Grey matter is

  1. located on the outside of the spinal cord

  2. restricted to the brain

  3. populated by cell bodies of neurons

  4. found in the ventricles of the vertebrate brain
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Grey matter is a major component of the central nervous system, consisting of neuronal cell bodies, neuropil, glial cells, synapses, and capillaries.

So, the correct option is 'populated by cell bodies of neurons'.

Multiple choice biology human health and disease drug, tobacco and alcohol consumption addiction and dependence community health and hygiene

Cannabinoid receptors present principally in the

  1. Heart

  2. Brain

  3. Liver

  4. Kidney
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cannabinoid receptors are those receptors which are mainly present in the brain but are also present in nearly all the organs of the body. They are the receptors that are responsible for the physiological functions as well as the functioning of the body. They are primarily found in the nervous system and brain region.

So, the correct option is 'Brain'.

Multiple choice zoology gas exchange in humans human respiration the mechanism of breathing breathing and its movements

What are correct about control of Broca area ?
1.Breathing 
2.Movement of vocal cords
3.Movement of teeth
4.Movement of tongue

  1. 1, 2, 3 correct

  2. 1, 2 correct

  3. 2, 4 correct

  4. 1, 3 correct
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Broca's area is primarily associated with speech production. It controls the motor movements of the tongue and vocal cords necessary for articulation.

Multiple choice physics spectra the electromagnetic spectrum electromagnetic spectrum electromagnetic waves

Fill the most suitable option. Mosquitoes and some snakes find their food using vision in the ___ range.

  1. infrared

  2. ultraviolet

  3. radio

  4. microwave

  5. visible light
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Infrared light has longer wavelengths and lower energy than visible light and cannot be seen with the human eye. Mosquitoes, vampire bats, bed bugs, and some snake and beetle species, however, can use portions of the infrared spectrum for vision. Sometimes humans can “see" infrared energy in the form of heat.

Multiple choice biology human brain and sense organs introduction to sense organs eyes and their function the structure and function of the eye

_________ is a decrease in the response to an ongoing stimulus.

  1. perception

  2. visual accommodation

  3. sensory adaptation

  4. both (b) and (c)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Neural adaptation or sensory adaptation is a change over time in the responsiveness of the sensory system to a constant stimulus. It is usually experienced as a change in the stimulus that is, the responsiveness to constant stimulus is decreased or stop

So, the correct option is 'Sensory adaptation'

Multiple choice evs science of kitchen balanced diet and malnutrition assimilation of food components and importance of food skeletal system and muscles assimilation of food and egestion busy at work - our internal organs

Vomiting is controlled by

  1. Medulla oblongata

  2. Pons vorolli

  3. Diencephalon

  4. Corpus collosum
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The medulla oblongata is the part of the brainstem that controls involuntary functions, including the vomiting reflex.

Multiple choice biology movement and locomotion in living organisms movements in plants coordination in plants tropic and nastic movements in plants

Correct the following statements by replacing the terms underlined (wherever necessary) and select the correct option.
(i) The part of human brain which regulates heart beat is called cerebrum.
(ii) Chemotropism is directional movement.
(iii) The centre for sexual behaviour is situated in medulla oblongata.
(iv) The plant hormone named after the fungus causing bakane disease is IAA.
(v) Centre for hunger and thirst is located in diencephalon.

  1. (i) Hypothalamus (ii) Tropic (iii) Cerebrum (iv) Auxin (v) Diencephalon

  2. (i) Medulla oblongata (ii) Directional (iii) Hypothalamus (iv) Gibberellin (v) Diencephalon

  3. (i) Hypothalamus (ii) Tropic (iii) Cerebrum (iv) Auxin (v) Metencephalon

  4. (i) Medulla oblongata (ii) Directional (iii) Hypothalamus (iv) Gibberellin (v) Metencephalon
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Medulla oblongata: This section of the brain helps transfer messages to the spinal cord and the thalamus in the brain from the body and controls breathing, heart function, blood vessel function, digestion, sneezing, and swallowing. Sensory and motor neurons from the forebrain and midbrain travel through the medulla.The hypothalamus is a section of the brain responsible for hormone production. The hormones produced by this area of the brain govern body temperature, thirst, hunger, sleep, circadian rhythm, moods, sex drive, and the release of other hormones in the body.
The cerebrum or cortex is the largest part of the human brain, associated with higher brain function such as thought and action. The cerebral cortex is divided into four sections, called "lobes": the frontal lobe, parietal lobe, occipital lobe, and temporal lobe.
The diencephalon is the region of the embryonic vertebrate neural tube that gives rise to posterior forebrain structures including the thalamus, hypothalamus, posterior portion of the pituitary gland, and pineal gland.
Chemo-tropism is the growth of organisms (or parts of an organism, including individual cells) such as bacteria and plants, navigated by chemical stimulus from outside of the organism or organisms part. The response of the organism or organism part is termed positive if the growth is towards the stimulus or negative if the growth is away from the stimulus.
An example of chemo-tropic movement can be seen during the growth of the pollen tube, where growth is always towards the ovules. It can be also written that conversion of flower into fruit is the example of chemo-tropism.