2525549
Pregunta 1
Pregunta
A 4-7 HZ rhythm normally occurs in:
Respuesta
-
Hypothalamus
-
Hippocampus
-
Parito-occipital area
-
Frontal area
Pregunta 2
Pregunta
all are true about RAS EXCEPT:
Respuesta
-
I essential for initiation & maintainence of consciousness
-
Is a complex polysynaptic system which extends from the brain stem to the spinal cord
-
Receives impulses from ascending sensory tracts
-
sends impulses to Non specific thalamic nuclei from which impulses are projected diffusely to all parts of the Cortex
Pregunta 3
Pregunta
Pleasure centers & punishment centers are located in :
Respuesta
-
Mammillary bodies
-
Limbic system
-
Precentral gyrus
-
Prefrontal gyrus
Pregunta 4
Pregunta
Hypothalamus protects the body against hypolycemia by:
Respuesta
-
Decrease insulin release
-
Increase glucagon release
-
Increase sympathetic activity & epinephrine release
-
Increase thyroxine release
Pregunta 5
Pregunta
what is true about memory :
Respuesta
-
Implict memory is the unconscious recall of information
-
Explicit memory is stored in basal ganglia and cerebellum
-
Sensory memory is the long term recall of information
-
Short term memory is due to protein synthesis
Pregunta 6
Pregunta
The normal range of IOP is:
Respuesta
-
5-20 mmHg
-
10-24 mmHg
-
15-30 mmHg
-
20-40 mmHg
Pregunta 7
Pregunta
Lens has high RI due to :
Respuesta
-
Highly curved posterior surface
-
It's transparency
-
High protein concentration in lens
-
It's avascular
Pregunta 8
Pregunta
Center of accommodation reflex is:
Respuesta
-
Edinger westiphal nucleus
-
Pretectal area of midbrain
-
Lateral Geniculate body
-
Superior colliculus
Pregunta 9
Pregunta
All the following causes Myopia EXCEPT:
Respuesta
-
Aphakia
-
Keratonous
-
Spasm of ciliary muscles
-
Lens dislocation
Pregunta 10
Pregunta
Pilocarpine causes miosis by:
Respuesta
-
Stimulates muscarinic receptors
-
Inhibits cholinesterase enzyme
-
Stimulates Edinger westiphal nucleus
-
None of above
Pregunta 11
Pregunta
What part of retina contains only cones and is the area of greatest visual acuity :
Respuesta
-
Ciliary body
-
Ora serrata
-
Fovea centralis
-
Optic disk
Pregunta 12
Pregunta
The round window is connected directly to which:
Respuesta
-
Scala tympani
-
External auditory meatus
-
Cochlear duct
-
Scala vestibuli
Pregunta 13
Pregunta
Which of the following is not a character of tympanic membrane:
Respuesta
-
Resonator
-
Amplifies sound vibration
-
Aperiodic
-
Damped
Pregunta 14
Pregunta
In middle ear:
Respuesta
-
Air limits the movement of the bony ossicles
-
Organ of corti overlies the basilar membrane
-
It is filled with endolymph
-
Air equalizes the pressure on the sides of the drum
Pregunta 15
Pregunta
Regarding olfaction :
Respuesta
-
Olfactory receptors are slowly adapting
-
The only sensation in the body not perceived in thalamus
-
Olfactory receptors are widely distributed in the nasal cavity
-
Olfactory receptors respond to stimulation is hyperpolarized
Pregunta 16
Pregunta
The lowest rate of plasma clearence is :
Respuesta
-
Creatinine
-
Glucose
-
Urea
-
Inulin
Pregunta 17
Pregunta
The glomerular filtration:
Respuesta
-
PH is not similar to plasma
-
Osmolality about 100
-
Its specific gravity is less than specific gravity of plasma
-
Is totally free from Protien
Pregunta 18
Pregunta
What is the primary disturbance seen in metabolic acidosis:
Respuesta
-
Increased Na
-
Increased K
-
Decreased HCo3
-
None of above
Pregunta 19
Pregunta
External sphincter opened during micturition by:
Respuesta
-
Hypogastric n. , excitation
-
Sacral parasympathetic n. , excitation
-
Pudendal n. , inhibition
-
Pudendal n. Excitation
Pregunta 20
Pregunta
The greater percentage of Na reabsorption in:
Respuesta
-
PCT
-
DCT
-
CT
-
Loop of henle
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.