★ Physiology Quiz
Which statement regarding the sinoatrial node is TRUE?
A. it is innervated by the vagal nerve
B. SA node reaches threshold faster than other heart structures
C. is located in the right atrial wall near the opening of the superior vena cava
D. it does not have a stable resting potential
E. all of the answers
Select your answer:
Topics:
Cardiovascular System Human Eye Medical Microbiology Cell Theory and Cell Organelles Oral Hygiene The Digestive System Human Eye and Colorful World Specialties: Neurological and Geriatric Pathophysiology_Endocrine Muscle Tissue Discovery of DNA Body Fluids Mutations, Replication, and Cancer Musculoskeletal Anatomy: Knee Cancer & Cell CycleOther quiz:
Deficiency Diseases › ViewVitamin A deficiency causes ___________
A. Goitre
B. Beri-Beri
C. Night Blindness
D. Osteoporosis
Teeth and Microbes › View
The part of the tooth that can be seen above the gum is called the _________.
A. pulp
B. dentine
C. crown
D. enamal