A:-Only ii

B:-Only iii

C:-Only i and iii

D:-Only iii and iv

Correct Answer:- Option-C

Question94:-Which of the following is/are correct statement about Olfactory
receptors ?

i. Dendrites of each nueron terminates in a knob containing 12 to 20 cilia.

ii. The cilia are unmyelinated process of about 5-10 um in length.

iii. Human olfactory epithelium contains 10-15 million of bipolar olfactory sensory
neurons.

iv. The cilia contains specific receptors for odorants.

A:-Only i and iii

B:-Only ii and iii

C:-Only ii and iv

D:-All the above i, ii, iii and iv
Correct Answer:- Option-C

Question95:-A 45 year old man who suffering from fever and sore throat was found
positive for Covid-19 RT-PCR blood test. He also complained about diminished taste
sensation. Which of following statement is/are wrong about taste sensation ?

i. Dysgeusia causes a metallic, salty, foul or rancid taste.

ii. Taste disturbances can also occur under conditions in which serotonin and
norepinephrine levels are altered.

iii. Administration of a 5-HT reuptake inhibitor reduces bitter taste and sour
thresholds.

iv. Administration of a norepinephrine reuptake inhibitor reduces sensitivity to
sweet and bitter taste.

A:-Only ii

B:-Only iii and iv

C:-Only iii

D:-None of the above
Correct Answer:- Option-B

Question96:-Cognential myasthenic syndrome can affect neuromuscular
transmission by following ways.

i. AchE deficiency.

ii. Abnormal presynaptic release of Ach.

iii. Defective AchR function.

iv. Mutation in the « subunit of the human AchR.

A:-Only i, ii and iii
C:-Only iii and iv

D:-All the above i, ii, iii and iv