Exam 3: BIO210 / BIO 210 (Latest 2024 / 2025 Update) Anatomy and Physiology for Science Majors I Exam | Questions and Verified Answers | 100% Correct | Grade A - GCU

Exam 3: BIO210 / BIO 210 (Latest 2024 / 2025 Update) Anatomy and Physiology for Science Majors I Exam | Questions and Verified Answers | 100% Correct | Grade A - GCU Question: which ion is present in higher concentration inside the cell Answer: potassium Question: which ion is present in higher concentration outside of the cell Answer: sodium Question: which ion is responsible for depolarization Answer: sodium Question: which ion is responsible for repolarization Answer: potassium Question: nondecremental Answer: action potentials do not get weaker with distance Question: ionotropic receptors Answer: ligand-gated receptors for small ions with no second messenger Question: metatropic receptors Answer: G-protein coupled receptors Question: second messenger Answer: enzyme produced to open/close other cell receptors Question: excitatory neurotransmitters Answer: promotes AP, causes depolarization Question: inhibitory neurotransmitters Answer: suppresses AP, causes hyperpolarization