Related Questions

Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by custorners who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.
A An inherited condition can cause both weak eyesight and dry eyes
B Physical exertion causes dry eyes in many people who wear contact lenses.
C Most people who have dry eyes do not wear contact lenses.
D Most people who wear contact lenses do not have dry eyes.
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
Indirect contact heat exchangers are preferred over direct contact heat exchangers, because
A Heat transfer co-efficient are high
B There is no risk of contamination
C There is no mist formation
D Cost of equipment is lower
We feel cool when we sit near the fan, this is because
A Fan gives cool air.
B Fan cools surrounding air.
C Air vapourises the sweat on our body.
D We feel cool when air touches the body.
The closest meaning of the word 'bizarre' in the sentence: that they created quite a sensation ' is ---
A Beautiful
B Ugly
C Dull
D Peculiar
Ascending tracts carrying touch sensation are
A Tract of gall
B Anerior spinothalamic tract
C Spinocerebellar tract
D Spinotectal tract
E Lateral spinothalamic tract
Pressure sensation is detected by the
A Free nerve ending
B Merkel’s discs
C Pacinian corpuscles
D Meissner’s corpuscles
E Ruffini corpuscles
Fast pain sensation
A Terminate in the somatosensory cortex
B Is received by the free nerve endings
C Is carried by anterior spinothalmic tract
D Is transmitted by type C fiber
E Receptor is sensitive to substance-P
Pain sensation
A Is received by naked nerve ending
B Increased by local rise of [K+]
C May be blocked by analgesics
D Finally terminates in the thalamus
E Is carried by dorsal lemniscal system
Consider the electromagnetic radiations having wavelengths 200 nm, 500 nm and 1000 nm. Which wavelength (s) of the following can make visual sensation to a human eye?
A 200 nm and 500 nm
B 500 nm and 1000 nm
C 500 nm only
D 200 nm and 1000 nm

Next steps