Anatomy Final Test Bank Questions And Answers

ANATOMY FINAL TEST BANK The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the: 1) _______ A) hypothalamus B) pons C) cerebrum D) midbrain E) medulla oblongata - ANSWER- medulla oblongata Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid: 2) _______ A) potassium B) calcium C) sodiumD) chloride E) magnesium - ANSWER- potassium The blood-brain barrier is effective against the passage of: 3) _______ A) nutrients such as glucose B) metabolic waste such as urea C) water D) anesthetics E) alcohol - ANSWER- metabolic waste such as urea The sympathetic and parasympathetic nervous systems are subdivisions of the: 4) _______ A) autonomic nervous system B) voluntary nervous system C) somatic nervous system D) central nervous system E) peripheral nervous system - ANSWER- autonomic nervous system An action potential: 5) _______ A) involves the outflux of negative ions to depolarize the membrane B) involves the influx of negative ions to depolarize the membrane C) is initiated by potassium ion movements D) involves the outflux of positive ions to depolarize the membraneE) is essential