(Single Best Answer) Question 161: A pilot in Sukhoi aircraft is experiencing negative G. Which of the following physiological events will manifest in such situation ?
A) The hydrostatic pressure in veins of lower limb increases B) The cardiac output decreases C) Black out occurs D) The cerebral arterial pressure rises Answer (Select an option above to get the answer):
(Single Best Answer) Question 162: The parvocellular pathway, from the lateral geniculate nucleus to the visual cortex, carries signals for the detection of ?
A) Movement, depth and flicker B) Color vision, shape and fine details C) Temporal frequency D) Luminance contrast Answer (Select an option above to get the answer):
A) Proximal convoluted tubule B) Distal convoluted tubule C) Cortical collecting duct D) Medullary collecting duct Answer (Select an option above to get the answer):
A) It inhibits secretion of prolactin B) It stimulates synthesis of estradiol C) It stimulates secretion of TSH D) It inhibits secretion of FSH Answer (Select an option above to get the answer):
A) Absence of semen B) Absence of sperm in ejaculate C) Absence of sperm motility D) Occurence of abnormal sperm Answer (Select an option above to get the answer):