פיינל פיזיולוגיה 3

مجهول · 10 שאלות · לפני 1 שנה

דווח

قائمة الأسئلة

The gastric digestion is most important for:

proteins;

The intrinsic factor (IF) is secreted by:

parietal cells;

Choose the INCORRECT answer about hunger contractions of the stomach:

hunger contractions are most intense in older people;

Choose the INCORRECT answer about hunger contractions of the stomach:

hunger contractions can last 20 to 30 minutes;

Choose the INCORRECT answer about hunger contractions of the stomach:

hunger contractions can last 2 to 3 minutes;

Choose the event that DOES NOT occur in the colon:

absorption of Fe2+;

Choose the correct statement concerning the reduction of the ventilatory effects of prolonged hipercapnia:

it is caused by increase of the bicarbonates in cerebrospinal fluid

Choose the correct statement concerning the gradient of pO2:

is 64 mm Hg between alveoli and capillaries

Choose the correct statement about the blood capacity for O2:

is determined more by the amount of Hb

Choose the correct statement concerning the diffusion coefficient of O2:

is lower than that of CO2, because O2 is less soluble

Choose the correct statement about the CO2 concentration:

is the lowest in the alveoli at the end of expiration

Choose the correct statement about the concentration of O2:

is the highest in the arterial blood

Hypoxia stimulates the breathing by:

stimulation of the aortic and carotid bodies by low blood PaO2

Choose the correct statement about apneustic center:

can produce a prolonged inspiration in some circumstances

They are NOT involved in the reflex regulation of breathing:

visceral receptors in kidneys and liver

The exclusive voluntary control of breathing is manifested:

directly via corticospinal pathways

Choose the INCORRECT statement about the dorsal respiratory group:

is responsible mainly for forced expiration

Choose the INCORRECT statement about the ventral respiratory group:

is responsible for passive expiration

Choose the correct statement about the dorsal respiratory group:

is involved in generating the basic respiratory rhythm

Choose the correct statement about the factor that does not affect directly HbO2 formation:

velocity of circulation

Choose the correct statement about the normal breathing rate in adult at rest:

12-16 resp / min

The volume of air involved in gas exchange at rest is formed from:

tidal volume and functional residual capacity minus dead space volume

Choose the INCORRECT statement about the transport of CO2 in tissue capillaries:

H2O and Cl- pass from RBC into plasma

Choose the INCORRECT statement about the transport of CO2 in lung capillaries:

carbonic anhydrase catalyzes the formation of H2CO3 in the lungs

Central chemoreceptors (involved in the regulation of respiration) are sensible to:

changes of H + concentration in cerebrospinal fluid

Choose the respiratory change which occurs in case of injury of spinal cord at C1 segment:

apnea

Choose the correct statement about the mechanism of breathing at rest:

only inspiration is active

The lungs follow the chest movements as a result of:

decrease of pleural pressure

Apnea occurs in the case of transection of CNS:

at the lower bulbar level (below decussation of pyramids)

Choose the correct statement about gas exchange in lungs and tissues:

by diffusion

Choose the correct statement about the pneumotaxic center:

parabrochial nucleus is located in the upper part of pons

Choose INCORRECT statement about pneumothorax:

pleural pressure is greater than atmosheric in open pneumothorax

Choose the correct statement about the intra-alveolar pressure:

is lower than atmospheric pressure during inspiration

Choose the correct statement about the mechanism of forced breathing:

both phases are are active

Choose the correct statement about the changes produced by hypoventilation:

hypoxia, hypercapnia and respiratory acidosis

Choose that factor DOES NOT affect directly the gas diffusion rate across the respiratory membrane:

volume of anatomic dead space

Choose the correct statement about intrapleural pressure during inspiration:

becomes more negative

Choose the correct statement about the CO2 transport:

pasess in tissular capilaries from tissues by diffusion

What type of receptors transmit impulses to the lateral geniculate body ?

photoreceptors

What type of receptors send impulses to the medial geniculate body?

phonoreceptors

Which are the clinical abnormalities of the cerebellum?

ataxia

What neurotransmitter is decreased in Parkinson's disease?

dopamine

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