Oxidized nicotinamide adenine dinucleotide (NAD) has ________ two hydrogens.
lost
gained
shared
lost
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The brain ventricle located between the pons and the cerebellum is the _____ ventricle
A. third B. lateral C. fourth D. median E. falx
Which of the following statements regarding intrinsic regulation of the heart is true?
A. If cardiac muscle cells are slightly stretched, they have a stronger contraction force. B. The heart's pumping effectiveness is greatly influenced by small changes in afterload. C. Stretching the SA node will decrease generation of action potentials in the node. D. If cardiac muscle cells are slightly stretched, they have a weaker contraction force. E. Decreased venous return increases cardiac output.
How does the kidney respond to vasoconstriction of the renal artery?
A) The kidney will activate the baroreceptors to stimulate the cardioinhibitory center of the medulla oblongata. B) The kidney will release erythropoietin and renin is released which leads to angiotensin II activation. C) The kidney will stimulate the release of cortisol by the nearby adrenal glands. D) The kidney will stimulate the heart to release natriuretic peptides. E) The kidney will activate the sympathetic nervous system release of epinephrine and norepinephrine.
Which region of the brain contains two ventricles?
A) diencephalon B) cerebellum C) midbrain D) cerebrum E) brainstem