Which of the following is proportional to the amount of tension produced by a skeletal muscle?
A) the length of the latent period
B) the length of the relaxation phase
C) the number of motor units activated
D) the threshold voltage
Answer: C) the number of motor units activated
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The ____ and ____ enable the kidneys to produce urine of varying concentrations and volumes depending on the body's needs
a. Na+-K+ ATPase pump; co-transport carriers b. juxtaglomerular apparatus; vasa recta c. podocytes; peritubular capillaries d. medullary vertical osmotic gradient; vasopressin e. renin-angiotensin-aldosterone system; renal pyramids
Someone with an asthenic build
A. has a slight build with a long, narrow, and shallow thorax that is wider more superiorly. B. has an average build with respect to height, weight, and torso length. C. has a massive, truncated build with a short, broad, and deep thorax. D. None of the above
Medial means "to the side."
Indicate whether the statement is true or false.
Alkaloids produce the ________ taste sensation.
A. umami B. sour C. bitter D. salty E. sweet