Which organelle modifies, sorts, and packages proteins and lipids for export from the cell?
A) endoplasmic reticulum B) Golgi apparatus
C) mitochondrion D) cytoskeleton
Answer: B
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The release of natriuretic peptides from the heart will cause the following response
A) decrease of ADH release. B) increase in aldosterone release. C) increase in epinephrine. D) increase in norepinephrine. E) increase in blood volume.
Consider a basketball player whose heart is racing during the final moments of a game. With seconds on the clock, she makes a jump shot
Her excitement is a function of her ________ nervous system, and her movements are a function of her _______ nervous system. A. parasympathetic, sympathetic B. sympathetic, parasympathetic C. somatic, sympathetic D. sympathetic, somatic E. somatic, parasympathetic
Which of these is not part of a single individual nephron?
A. Glomerulus B. Distal convoluted tubule C. Nephron loop D. Glomerular capsule E. Collecting duct
Which event typically occurs at the start of a cardiac cycle?
A) Ventricular blood pressure drops until reverse blood flow pushes the cusps of the semilunar valves together. B) Atrial contraction forces a small amount of blood into the relaxed ventricles. C) The semilunar valves open and blood is ejected. D) Ventricular contraction pushes the atrioventricular valves closed. E) The atrioventricular valves opens and the ventricles fill passively.