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Only should be positioned immediately before the word or phrase it limits. If the intent is to say which prescriptions were filled (the urgent ones and no others), place only in front of “the urgent prescriptions,” as in B. Option A could imply the pharmacist’s sole action was filling (not verifying, calling, etc.), which shifts the meaning to the verb. Option C changes meaning to imply there existed a single set of urgent prescriptions (the only ones), not that non-urgent prescriptions were excluded. Option D suggests the action happened exclusively this morning (not yesterday or later), again shifting what’s limited. TEAS editing items often hinge on adverb placement; reread each option and ask “What exactly is only limiting?” Then pick the sentence where only sits directly before that element. When in doubt, try paraphrasing: “No non-urgent prescriptions were filled”—this matches B’s structure and intent.

Oxytocin and antidiuretic hormone (ADH/vasopressin) are made by hypothalamic neurons (paraventricular and supraoptic nuclei, respectively). They are transported down axons via the hypothalamo-hypophyseal tract and stored/released from the posterior pituitary (neurohypophysis) into the bloodstream. Therefore, B (oxytocin) fits the pattern. Prolactin and growth hormone (A and C) are produced and secreted by the anterior pituitary (adenohypophysis). TSH (D) is also an anterior pituitary trophic hormone that stimulates the thyroid gland. TEAS endocrine mapping: Posterior pituitary stores/releases hypothalamic hormones (ADH, oxytocin); anterior pituitary synthesizes its own hormones under hypothalamic releasing/inhibiting control via the hypophyseal portal system (e.g., TRH→TSH, CRH→ACTH, GnRH→LH/FSH, GHRH→GH, dopamine ⟶ inhibits prolactin). Clinically, posterior pituitary dysfunction can cause diabetes insipidus (ADH deficiency) or issues with uterine contraction/milk ejection (oxytocin), while anterior disorders alter growth, thyroid function, and adrenal axes.

Convert pounds to kilograms: ( \text{kg} = \frac{22}{2.2} = 10\ \text{kg}). Apply the mg/kg dose: (12\ \text{mg/kg} \times 10\ \text{kg} = 120\ \text{mg}). Thus, C is correct. Option A (100 mg) would fit a 8.33 kg child at 12 mg/kg or a misapplied 10 mg/kg order. Option B (110 mg) suggests rounding the weight to 9.2 kg or arithmetic slip. Option D (132 mg) comes from multiplying 12 by 11 (as if 22 lb = 11 kg), which ignores the 2.2 conversion. TEAS dosage items hinge on unit alignment: carry the units through with dimensional analysis (22\ \text{lb} \times \frac{1\ \text{kg}}{2.2\ \text{lb}} \times \frac{12\ \text{mg}}{1\ \text{kg}} \rightarrow \text{mg}). Because 22 lb converts exactly to 10 kg with the 2.2 factor, the math is tidy, but you should still confirm reasonableness: a 10-kg child at 12 mg/kg yields a two-digit dose ending in zero (120 mg), matching the correct choice.

Essential (restrictive) appositives identify which person/thing you mean and are not set off by commas; nonessential appositives add extra information and are set off by commas. In A, “atorvastatin” is essential because “the medication” would be vague without the specific drug; therefore no commas are used—correct. B incorrectly treats the drug name as nonessential; removing it (“The medication lowers LDL cholesterol”) weakens identification and changes precision. C lacks the closing comma after a nonessential name; if “our pharmacist” is already specific, “Jordan Kim” is a nonessential identifier and should be bracketed with two commas. D misplaces a single comma and leaves an introductory fragment; again, a pair of commas is required if the name is nonessential. TEAS editing requires asking: “If I remove the appositive, is meaning intact and the noun still specific?” If yes, use commas (nonessential). If no, omit commas (essential). In clinical writing, correct apposition prevents ambiguity: “The antibiotic vancomycin was started” (essential drug identification) vs “Dr. Alvarez, our infectious disease consultant, recommended therapy” (nonessential descriptor).

Percent increase = (\frac{\text{new} - \text{original}}{\text{original}} \times 100%). Difference: (80 - 64 = 16). Divide by original: (16 \div 64 = 0.25). Convert to percent: (0.25 \times 100% = 25%). Thus, C is correct. Option A (20%) corresponds to (12.8/64), not our change. B (22.5%) often arises from averaging errors or dividing by the new value. D (30%) would require a difference of (0.30 \times 64 = 19.2) bpm, which did not occur. TEAS traps often swap the base; unless asked for “percent of the new value,” use the original as the denominator. Sanity check: 25% of 64 is (0.25 \times 64 = 16), matching the actual increase.