The function of the peritubular capillaries is:?
A) collection of urine
B) exchange of waste products and nutrients
C) micturition
D) blood flow
B
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If the optimal pH for Taq polymerase is about 7.2, why are the reaction buffers manufactured to
have a pH of about 8.5? A) Hydrogen bonds form poorly at neutral to acidic pHs. B) Optimal reaction conditions for Taq polymerase are generally not used because rapid incorporation of nucleotides into a growing DNA chains leads to more errors. C) Unincorporated nucleotides are unstable at neutral to acidic pHs. D) pH is temperature dependent, and at the optimal temperature for Taq polymerase to function, the buffer pH will decrease.
Which of the following is it important to consider when administering and monitoring drugs with a narrow therapeutic range?
a. A toxic effect can develop even with properly dosed or small amounts of a drug. b. The prescribed dose should be sufficient to have a therapeutic effect. c. The client may not have enough of a therapeutic effect. d. Client age has no effect on the therapeutic effect.
Light intensity physical activity consists of ________ and may include ________
A) three METs or fewer: stretching B) three METs or fewer; jogging C) one MET; skipping D) one MET; jogging
The history of health education as an emerging profession is just over ________ years old
A) 100 B) 500 C) 1,000 D) 5,000