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WorksheetsHUMAN PHYSIOLOGY - QUIZ
Total questions: 25
Worksheet time: 9mins
Trypsinogen can be activated by:
Enterogastrone
HCl
Trypsin
Bile
Succus entericus does not contain:
Dipeptidase
Sucrase
Nuclease
Lipase
The enzyme which does not directly act upon the food substance in the small intestine of man is
amylopsin
lipase
Enterokinase
trypsin
Identify the incorrect statement:
A negative intrapleural pressure will help in keeping the lungs inflated
An airtight thoracic chamber is essential as we can directly alter the pulmonary volume
The conducting part of the airway warms, humidifies and filters the air reaching the exchange site
The larynx, rings in the wall of trachea and the epiglottis are cartilaginous
Which of the following is entirely made up of cartilage?
Nasal septum
Larynx
Glottis
Trachea
The maximum volume of air a person can breathe in after a forced expiration is known as :
Total Lung Capacity
Expiratory Capacity
Vital Capacity
Inspiratory Capacity
In which one of the following is extra blood stored and is released when shortage occurs
Adrenal gland
Pancreas
Spleen
Thyroid gland
What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
100 beats per minute
50 beats per minute
75 beats per minute
125 beats per minute
All the components of the nodal tissue are autoexcitable. Why does the SA node act as the normal pacemaker?
SA node has the highest rate of depolarisation.
SA node has the lowest rate of depolarisation.
SA node is the only component to generate the threshold potential.
Only SA node can convey the action potential to the other components.
A decrease in blood pressure/volume will not cause the release of :–
Renin
Atrial Natriuretic Factor
Aldosterone
ADH
A blockage in a glomerulus would directly obstruct blood flow into which vessel
Afferent arteriole
Efferent arteriole
Interlobular artery
Interlobar artery
Kidneys are not only organs of excretion, their work is supplemented by :
Liver
Skin
Heart
Large Intestine
One of the following statement is not true with respect to red muscle fibres
Faster in contraction rate
Rich in mitochondria
Rich in myoglobin
Carry out aerobic contraction without accumulating much lactic acid
Which one is the contractile protein?
Troponin
Myosin
Tropomyosin
All
Which of the following diseases is an autoimmune disorder ?
Gout
Myasthenia gravis
Arthritis
Osteoporosis
Which part of the brain is responsible for thermoregulation?
Cerebrum
Hypothalamus
Corpus callosum
Medulla oblongata
Which of the following receptors are specifically responsible for maintenance of balance of body and posture?
Crista ampullaris and macula
Basilar membrane and otoliths
Hair cells and organ of corti
Tectorial membrane and macula
Which of the following statements is not correct ?
In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction
An action potential in an axon does not move backward because the segment behind is in a refractory phase
Depolarisation of hair cells of cochlea results in the opening of the mechanically gated potassium-ion channels
Rods are very sensitive and contribute to daylight vision
A temporary endocrine gland in the human body is :
Corpus cardiacum
corpus luteum
Corpus allatum
Pineal gland
Among various encountered in living cells the ions most commonly used as signals are -
Fe++
K+
Na+
Ca++
Which of the following is an amino acid derived hormone?
Estradiol
Ecdysone
Epinephrine
Estriol
Which of the following hormones can play a significant role in osteoporosis?
Estrogen and Parathyroid hormone
Progesterone and Aldosterone
Aldosterone and Prolactin
Parathyroid hormone and Prolactin
If the pH of duodenum decreases below 5, then secretion of ________ stop.
Secretin
Enterokinase
CCK
Gastrin
Which of the following endocrine structure is not controlled by a tropic hormone from the anterior pituitary?
Pancreatic islet cells
Thyroid gland
Adrenal cortex
Ovaries
Which of the following conditions will stimulate parathyroid gland to release parathyroid hormone ?
Rise in blood Ca+2 levels
Fall in active Vitamin D levels
Fall in blood Ca+2 levels
Fall in bone Ca+2 levels
