The time following an action potential during which a membrane cannot respond to another stimulus, regardless of its strength, is called the relative refractory period
Indicate whether the statement is true or false
F
Absolute refractory period
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Suppose you have two traits controlled by genes on separate chromosomes. If sexual reproduction occurs between two heterozygous parents, what will be the genotypic ratio of all possible gametes?
What will be an ideal response?
Which of the following responses to a fall in arterial pressure accounts for the ability of the kidneys to autoregulate GFR?
A. decreased resistance of the efferent arteriole B. increased delivery of fluid to the end of the proximal tubule C. increase resistance of the afferent arteriole D. increased [NaCl] in tubular fluid at the macula densa E. decreased resistance of the afferent arteriole
During the preparatory phase for an underhand softball pitch, the hand holding the ball is drawn behind the body prior to the forward swing of the arm. When the hand is drawn behind the body, which of the following movements occurs at the shoulder?
A. flexion B. extension C. hyperextension D. circumduction
Which of the following nerves from the sacral plexus goes to the external genitalia?
a. obturator b. iliohypogastric c. genitofemoral d. pudendal