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7) 7) What is the outcome or aldosterone signalling? A) Increased number of Na/+pumps resulting in increased sodium reabsorption & potassium loss B) decreased number of Na+/+pumps resulting in more sodium being secreted C) a decrease in blood pressure by increasing the loss of fluid from the renal system D) Increased excretion of water from the body 8) Which division of the nervous system causes a reflex dilation of bronchioles? A) parasympathetic B) visceral sensory 5) sympathetic D) somatic 9) What is the best description of the pulse" that you can feel at your wrist, neck, arm, etc? A) atrioventricular valve closure B) diastolic BP C) systolic BP D) semilunar valve closure 10) ir blood vessels citate, what happens to blood pressure? A) it increases B) it falls C) it remains unchanged until the HR changes D) it rises 10) 11) 11) During a left-ward shift or O2.Hgb binding, usually occurring during hyperventilation, what effect does increased pO2 and decreased pCO2 have on the diameter of bronchioles and pulmonary blood vessels? A) dilated bronchioles, dilated arterioles B) constricted bronchioles, dilated arteriolos C) dilated bronchioles, constricted arteriolos D) constricted bronchioles, unchanged arteriole 12) 12) Which of the following directly require ATP In skeletal muscle contraction? (Choose all that apply) A) Shifting of tropomyosin by troponin B) Release of tropomyosin blocking troponin C) Restoring membrane potentials back to resting potentials D) Release of Cat* from SR