help for biology?

Its questions for something.

1.)A 12 year old girl is brougth to the emergency room with difficulty breathing. on examination she is found to have dyspnea with audible wheezes and is diagnosed with asthma. The patient is given an inhaled medication (albuterol), Which provides immediate relief of the bronchial constrictive symtoms.

What autonomic nervous system (ANS) receptor does this medication target?

What neurotransmitter is used for these receptor?

2.) A 34-year old pregnant woman complains of tingling of her right index and middle fingers over 2 months' duration. She notes some weakness of her right hand and has begun to drop items such as her coffee cup. She has other wise been healthy and denies any trauma or neck pain.

What is the most likely diagnosis?

What is the anatomic mechanism for this condition?

if dont know any of these, can you please give me some sources where i can find them like links?