Physiology MCQ Questions — 9,072 Free Practice Questions – Page 367

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3295 Physiology

Satiety centre is located at ?

AVentromedial nucleus of hypothalamus

BDorsomedial nucleus of hypothalamus

CPeritrigonal area

DLateral nucleus

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3296 Physiology

Patients with syncope cannot maintain sufficient cardiac output to meet peripheral perfusion demands. Which of the following BEST describes cardiac output?

ACardiac output = end diastolic volume - end systolic volume

BCardiac output = hea rate X mean aerial pressure

CCardiac output = hea rate X stroke volume

DCardiac output = stroke volume X mean aerial pressure

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3297 Physiology

In restrictive lung disease, TLC is –

AIncreased

BDecreased

CNo change

DMay be increased or decreased

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3298 Physiology

All of the following decrease with age EXCEPT:

ATotal lung capacity

BPa02

CFRC

DFEV1

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3299 Physiology

Saltatory conductions occurs

AConduction in presynaptic to post synaptic neuron

BMuscles of the T-tubule system

CIn. Myelinated axons, the jumping of depolarization from node to node

DA axon can conduct impulse in both direction

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3300 Physiology

Concentration of sodium channel in nerve in per square foot is

A1.6 x 10-5 to 1.9 X-2 per square foot

B6.6 x 10-6 to 3.9 X-3 per square foot

C1.6 x 10-6 to 1.9 X-3 per square foot

D6.6 x 10-5 to 3.9 X-2 per square foot

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3301 Physiology

Aerial blood gas analysis in Carbon monoxide poisoning shows:

APO2 less, O2 saturation normal

BPO2 normal, O2 saturation less with normal or slightly decreased PCO2

CPO2 less, O2 saturation normal

DPO2 less, O2 saturation decreased

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3302 Physiology

Neurological basis for “Phantom limb” phenomenon:

ABell-Magendie law

BWeber-feschner Law

CPsychodynamic theory

DLaw of projection

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3303 Physiology

During cardiac examination of a newborn infant, a murmur is detected, and the diagnosis of patent ductus aeriosus is made. Which of the following best describes the direction of blood flow through the patent ductus aeriosus in this infant?

AFrom aoa to left pulmonary aery

BFrom aoa to left pulmonary vein

CFrom aoa to right pulmonary aery

DFrom left pulmonary aery to aoa

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Physiology MCQ Questions — Page 367