A 21-year-old male is brought to the ER due to worsening neck stiffness and pain for the past 2 hours. He states that his neck is locked to the left and he cannot move it. He is alert and oriented . His temperature is 37.1 C, pulse is 89/ min, respiration 17/min , and blood pressure is 125/75 mm Hg. he has a history of schizophrenia and recently his doctor has added risperidon to his drug regimen. On examination, his neck is rigid and fixed in flexion and rotated to the left. The persistent myocyte stimulation causes a substance to be released from the sarcoplasmic reticulum. This substance most likely binds to which of the following proteins to cause this patient's symptoms?

Question

A 21-year-old male is brought to the ER due to worsening neck stiffness and pain for the past 2 hours. He states that his neck is locked to the left and he cannot move it. He is alert and oriented . His temperature is 37.1 C, pulse is 89/ min, respiration 17/min , and blood pressure is 125/75 mm Hg. he has a history of schizophrenia and recently his doctor has added risperidon to his drug regimen. On examination, his neck is rigid and fixed in flexion and rotated to the left. The persistent myocyte stimulation causes a substance to be released from the sarcoplasmic reticulum.  This substance most likely binds to which of the following proteins to cause this patient's symptoms?

Quizplus · Accepted Answer

Eductional Objective: Calcium store in SR in myocyte which release and bind to troponin c and allow myosin to bind with actin filament and muscle contraction occur.

A 21-Year-Old Male Is Brought to the ER Due to Worsening