Impulses carried to the heart by means of fibers that secrete acetylcholine are
A) parasympathetic impulses and cause the heart rate to increase.
B) parasympathetic impulses and cause the heart rate to decrease.
C) sympathetic impulses and cause the heart rate to increase.
D) sympathetic impulses and cause the heart rate to decrease.
E) somatic impulses and cause the heart rate to decrease.
Correct Answer:
Verified
Q2: Capillary walls are only one cell layer
Q21: Which of the following structures does NOT
Q22: In an ECG pattern,the T wave is
Q23: The pain of angina pectoris comes from
Q24: In an electrocardiogram (ECG)pattern,the P-Q interval indicates
Q26: The pulmonary circuit
A) sends oxygen-poor blood to
Q26: Venous pathways commonly connect in irregular networks
Q27: When ventricles relax,pressure drops to a minimum
Q29: Osmotic capillary pressure forces fluid out into
Q30: Which of the following represents the correct
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents