Categories
Assistant General Science

Biology – 08

നാഡീ വ്യൂഹം, ഹൃദയം എന്നിവയെ കുറിച്ചുള്ള ചോദ്യങ്ങളാണ് ഇന്നത്തെ പാഠത്തിൽ.

  • Nervous actions initiated by the Spinal cord for quick movements to avoid danger is called

Reflex actions

 

  • Basic functional unit of the nervous system is

Neuron

 

  • Neurons carry messages in the form of

Electrical Impulses

 

  • Part of Neurons that carry impulses is called

Axon

 

  • Part of Neurons that receive impulses is called

Dendrites

 

  • The chemical which helps in transmission of impulses is called

Acetyle Colin

 

  • The protective layer of Axon

Myelin Sheath

 

  • The color of Myelin sheath

White

 

  • The disease that causes due to loss of neuron in the brain is

Alzheimer’s disease

 

  • The disease that causes due to loss of neuron which receives signals from the brain and spinal cord

Parkinson’s disease

 

  • Meningitis is affected to

Meninges

 

  • Encephalitis is an infection in the brain is caused by

Virus

 

  • Disability of brain to recognize letters and words properly is known as

Dyslexia

 

  • Clotting of blood in blood vessels of the brain is called

Cerebral Thrombosis

 

  • Bleeding caused by the breakage of blood vessels of the brain is called

Cerebral Hemorrhage

 

  • Blockage of blood to the brain for what duration will cause unconsciousness

5 Seconds

 

  • Biological death means

Death of brain cells

 

  • The instrument used to record changes in electrical potential of brain

EEG (Electro Encephalo Gram)

 

  • CT scan stands for

Computerized Tomographic Scan

 

  • MRI scan stands for

Magnetic Resonance Imaging scan

 

  • PET scan which used for studying the brain stands for

Positron Emission Tomography Scan

 

  • Study of heart and its diseases is known as

Cardiology

 

  • Busiest organ of the body

Heart

 

  • Size of the human heart is same as the size of his

Fist

 

  • Normal heartbeat rate in human

70-72 times per minute

 

  • Meantime required for a single cardiac cycle

0.8 Sec

 

  • Circulation of blood in the body is regulated by

Heart

 

  • 2 upper chambers of the heart are called

Auricles

 

  • 2 lower chambers of the heart are called

Ventricles

 

  • Double membrane that covers the heart

Pericardium

 

  • Fluid-filled in Pericardium

Pericardial fluid

 

  • Which part of the heart is filled with pure blood (carrying Oxygen)

Left chambers

 

  • Direction of the blood flowing through the heart is

From Auricle to the ventricle

 

  • Number of chambers in the human heart

4

 

  • Chamber that receives the impure blood

Right Auricles

 

  • Blood vessel that carries pure blood

Artery

 

  • Blood vessel that carries impure blood (carrying CO2)

Vein

 

  • Only artery that carries impure blood

Pulmonary artery

 

  • Only vein that carries pure blood

Pulmonary vein

 

  • Blood vessels that connect arteries and veins are called

Capillaries

 

  • Largest blood vessel (artery) in human body

Aorta

 

  • Largest blood vein in human body

Inferior Vena cava

 

  • Average length of blood vessels in human

1 Lakh Kms

 

  • Only organ in human body that is not affected by cancer

Heart

 

  • Heartbeat in human being start when the growth of embryo is

4 weeks

 

  • Restless muscles in human body

Cardiac muscles

 

  • Muscles that helps heart to beat in the same rhythm

Myocardial muscles

 

  • Condition of more than 100 heartbeats per minute

Tachycardia

 

  • Condition of less than 60 heartbeats per minute

Bradycardia

 

  • First heart transplantation surgery was conducted by

Dr. Christian Bernad

 

  • First heart transplantation surgery was conducted on

3rd December 1967

 

  • First heart transplantation surgery was conducted at

Groote Schuur Hospital, South Africa

 

  • First heart transplantation surgery in India was conducted by

Dr. P Venugopal

 

  • First heart transplantation surgery in India was conducted on

3rd August 1994

 

  • First heart transplantation surgery in India was conducted at

AIIMS, New Delhi

 

  • First heart transplantation surgery in Kerala was conducted by

Dr. Jose Chacko Periyappuram

 

  • First heart transplantation surgery in Kerala was conducted on

13th May 2003

 

  • First heart transplantation surgery in Kerala was conducted at

Medical trust hospital, Cochi

 

  • First heart-lung transplantation surgery was conducted by

Dr. Bruce Reits (March 9, 1981)

 

  • First heart-lung transplantation surgery in Kerala was conducted by

Dr. Jose Chacko Periyappuram

 

  • First heart-lung transplantation surgery in Kerala was conducted at

Lisie Hospital, Ernakulam (16 January 2017)

 

  • First artificial heart

Jarvik-7 (By Robert K Jarvik)

 

  • Number of chambers in heart of Mammals, birds, Crocodile

4

 

  • Number of chambers in heart of Cockroach

13

 

  • Number of chambers in heart of Amphibians and Reptiles

3

 

  • Number of chambers in heart of fish

2

 

  • Hormone which stimulates heartbeat

Adrenaline

 

  • Which is known as the heart of hearts

Pace Maker

 

  • Which is called as the pacemaker of the heart

SA Node (Sino Atrial node)

 

  • First biological artificial pacemaker was developed in which country

Canada

 

  • Disease which damages heart valves

Rheumatic Fever

 

  • Instrument used for checking heart alignment

ECG ( Electro Cardio Graph)

 

  • ECG was invented by

William Enthovan


(To be Continued…)