When the normal heart of a man is injected with physiological concentration of adrenaline it shows

  • A

    Systolic arrest

  • B

    Decreased rate

  • C

    Sustained increased rate

  • D

    First increased then normal rate

Similar Questions

Assertion : Our body secretes adrenaline in intense cold.
Reason : Adrenaline raises metabolic rate

  • [AIIMS 2006]

........ is middle layer of adrenal cortex

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule ?

One of the following symptoms pertain to Addison’s disease

Which of the following is not under direct control of pituitary gland with respect to the regulation of its secretory function