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Worksheets2term biology
Total questions: 59
Worksheet time: 30mins
Tick the correct sentence
The sensory neurons transmit information from the nerve centres to the receptors
The interneurons connect the sensory neurons to the nerve centres
The motor neurons transmit signals from the nerve centers to the effector organs
Which substance is released into the synaptic cleft when the nerve impulse gets to the axon terminal?
Hormones
Both are correct
Neurotransmitters
Is not a function of Nervous system
Receives information and prepare responses
Coordinates organs, intellectual and mental functions
Stimulate cells to perform various actions
Is a clear fluid that fills the space between cells
Urine
Plasma
Lympha
The growth hormone is secreted by
Pituitary gland
Thyroid gland
Pancreas
Which is not a healthy habit for the nervous system
Avoid stress
Avoid obesity
Food rich i vit B1 and B2
Identify the correct statement related to nerve actions
Reflexes are quick and automatic actions that involve the brain
The voluntary actions are slower than reflexes and use sensory neurons, interneurons and motor neurons
In the reflexes the sensory information only reaches the spinal cord
The autonomic nervous system...
Regulates and controls involuntary body functions
Receives information from external stimuli about the body's position
Transmits signals for voluntary muscle contractions
The grey matter....
Is mainly neuron cell bodies and dendrites
Has neuron extension, axons, covered by myelin
Is formed by axons and dendrites
The spinal bulb...
Regulates the heartbeat, breathing and sleep
Regulates heartbeat, balance and blood pressure
Regulates heartbeat, blood presure and breathing
The large intestine is divided into 3 main sections, which are:
Cecum-jejunum-rectum
Rectum-colon-ileum
Cecum-colon-rectum
As we swallow, the upper orifice of the larynx remains closed by the action of the....
Epiglottis
Pylorus
Ileocecal valve
The teeth that cut the food are
Canines
Premolars
Incisors
The irritation of the gastric mucosa causes
Gastritis
Gastroenteritis
Ulcer
The destruction of hepatic cells causes
Hepatitis
Cirrhosis
Appendicitis
The vocal chords are in...
Larynx
Thrachea
Pharynx
The gas exchange occurs in the
Bronchioles
Lobes
Pulmonary alveoli
Inspiration
Diaphragm relaxes, curves and rises
Diaphragm flattens and lowers
Ribcage shrinks
The accessory glands of the digestive system are
Liver, pancreas, gallbladder
Liver, pancreas, salivary glands
Liver, pancreas, glands in the mucosa of the stomach and intestine
Parts of the respiratory tract, in correct order are:
Nasal cavities, pharynx, larynx, trachea, bronchi and bronchioles
Nasal cavities, larynx, pharynx, trachea, bronchi and bronchioles
Nasal cavities, pharynx, tonsils, trachea, bronchi and bronchioles
Membranes that wrap both lungs
Diaphragm
Pleura
Ribcage
Tick the correct
Carbo dioxide found in the alveoli passes to the blood as we exhale
Oxygen is exchanged between air and blood by diffusion
Oxygen passes from the blood to the alveoli as we inhale
The contraction of the bronchi due to certain infectious processes or and alergic reaction is...
Chronic bronchitis
Asthma
Chronic obstructive pulmonary disease
Which is NOT a function of the trachea
Cells called cilia redirect mocous and foreign particles to the esophagus and stomach
Mucous purifies and humidifies the air
Mucous traps foreign particles in the air
Which is not a function of Blood?
Regulates body temperature
It mantains a liquid balance in the internal environment
It carries hormones
Which type of blood vessels carries blood away from the heart?
Veins
Arteries
Capillaries
the thick wall of muscle tissue that forms the heart is....
Pericardium
Endocardium
Myocardium
Circulatory system: tick the correct
Right ventricle->pulmonary valve->pulmonary artery->lungs
Left ventricle->pulmonary valve->pulmonary artery->lungs
Right ventricle->pulmonary valve->pulmonary vein->lungs
Blood cells with disk-shaped and no nucleous that carry oxygen
Thrombocytes
Erytrocites
Leukocytes
Blood vessels that have valves that stop blood from going backwards
veins
arteries
capillaries
The circulation is complete: means...
the oxygenated blood does not mix with deoxygenated blood
the blood travels twice through the heart yo complete the whole circuit
the blood never leaves the blood vessels
Which of these organs or systems is NOT involved in the excretion process?
Liver
Pancreas
Respiratory system
The renal__________ collects the urine
Pelvis
Medulla
Cortex
In the tubular reabsorption
water, minerals and nutrients return to the blood's capillaries
water, minerals, nutrients, urea and uric acid return to the blood's capillaries
Both are correct
Decrease in the number of red cells or quantity of hemoglobin
Leukaemia
Anaemia
Hemophilia
Atherosclerosis is caused by:
abnormal dilatation of blood vessels
hardening of the arteries and loss of elasticity
cholesterol plaque in the internal walls of the arteries
the bile is produced in...
Pancreas
Liver
Gallbladder
Common area to digestive and respiratory systems
esophagus
larynx
pharynx
Part of digestive system where most digestive process takes place
Stomach
Small intestine
Large intestine
In the digestion, monosaccharides are obtain from:
Complex carbohydrates
Glycerol and fatty acids
Proteins
In the stomach, after the mixture with gastric juices, the food is transformed in:
chyme
chyle
bolus
Bowman's capsule is the initial zone of the nephron. inside is a capillary that folds into a ball, called:
Loop of Henle
Glomerullus of Malpighi
Convoluted tube
The inflamation of the bladder is
Renal colic
Incontinence
Cystitis
Disease that causes the destruction of neurons in the cerebral cortex, causing dementia and loss of memory is
Neurosis
Schizophrenia
Alzheimer
Valve that sepatates esophagus and stomach
Pylorus
Epiglottis
Cardia
Tick the correct
The ureters are thin tubes that connect each kidney with the urethra
The urethra is the duct that connect the bladder with the exterior
The sphincter is at the end of each ureter
Correct sequence of ventricular systole
Ventricles contract->sygmoid valves open/atrioventricular valves close->blood exits through pulmonary artery and aorta
Ventricles contract->atrioventricular valves open/ sygmoid valves close->blood exits through pulmonary artery and aorta
Ventricles contract->blood exits through pulmonary artery and aorta->blood exits through cavae veins
Volume of blood the heart pumps in 1 minute
Cardiac output
Stroke volume
Heart rate
The lymph plasma is carried to the blood by
Lymph nodes
Lymph veins
Lymph capillaries
Where is the aorta originated?
Left ventricle
Right ventricle
Left atrium
The valve between right atrium and right ventricle
Mitral
Tricuspid
Bicuspid
Which is NOT a function of homeostasis
It occurs in a prolonged stressfull situation
It mantains the body's stability
It works like a feedback device
Tick the correct
the spinal cord has grey matter in the outer area and white matter in the centre
the spinal cord carries motor nerve impulses towards the brain and sensory nerve impulses from the brain to the effector organs
the spinal cord carries sensory nerve impulses towards the brain and motor nerve impulses from the brain to the effector organs
Nerves are formed in this sequence
axons->nerve fascicles->nerve fibres
axons->nerve fibres->nerve fascicles
axons->dendrites->nerve fibres->nerve fascicles->nerve
The_______________nervous system produce relaxation and the organs work more less intensely
Sympathetic
Parasympathetic
Somatic
The testicles release
Estrogens
Androgens
Progesterone
in the endocrine system, the transmission of information means of secreating....
hormones and then slow and lasts a long time
neurotrasmitters action is fast and last a short in time
hormones and last a long time
Epilepsy
the myelin sheaths and the neurons destroy each other
seizures and loss of consciousness, often because of visual or auditory stimuli
anxiety, a sense of failure, general lack of interest and sleeping disorders
Hypothyroidism
thyroid gland doesn't produce enough tyroxine and reduces the rate of metabolic activity
thyroid gland doesn't produce enough tyroxine and increase the rate of metabolic activity
thyroid gland produce an excess of tyroxine and reduces the rate of metabolic activity
