# Mixing xanax with alcohol

A7 E The molar mass of mixing xanax with alcohol sodium chloride (NaCl) is 58 (23 + 35). The molar mass of potassium chloride (KCl) is 74 (39 + 35). For NaCl: 0.47g/58 = 0.008 moles and for KCl: 0.30g/74 = 0.004 moles. Total moles of chloride are 0.012 moles (0.008 + 0.004), which is equivalent to 12 millimoles (0.012 X 1000). A8 B A concentration of 6 mmol/L is equivalent to 0.006 moles/L.

The amount of potassium/L is 0.234 g (0.006 X 39); 0.234 g is equivalent to 234 mg/ 1000 mL.

In 20 mL, the amount of potassium **i buy tramadol online** is 4.68 mg (234/1000 **cheap hydrocodone link online phentermine** X 20).

A9 E A concentration of 0.1% w/w means 0.1 g in 100 g. In order mixing xanax with alcohol to prepare 30 g of 0.1% w/w, 0.03 g are required (0.1 X 30/100); 0.03 g is equivalent to 30 mg. A10 E A 2% w/v solution is equivalent to 2 g in 100 mL. Hence in 5 litres, 100 g of powder are required (5000 mL X 2g/100mL). However, a 100 g of powder would also contain 5 g (5 g in 100 g = 5% w/w) of moisture, so to counteract, you need 105 g of powder. A11 D A 4% solution means 4 mL of chlorhexidine in 100 mL. Hence a 200 mL solution means 8 mL (0.008 litres) of the solute. To prepare a 1 : 500 solution, 0.008 litres : 4 litres (0.008 X 500). A12 E In 24 hours a total of 36 L are removed (1.5 L X 24 hours). Given that the serum concentration is 2 mg/L, a total of 72 mg (36 L X 2) are removed. An amount of 50 g cream contains 1.25 g ketoprofen, therefore 100 g cream contains 2.5 g (100 X 1.25/50) which is equivalent to 2.5% v/v. A14 D In 50 mL there are 200 mg voriconazole, in 2.5 mL there are 10 mg (200 X 2.5/50). In 1 hour 10 mg are delivered, which is equivalent to 0.133 mg/kg per hour (10 mg/75 kg), that is, 133 pg/kg per hour. A15 C An amount of 50 000 pg (500 pg X 100 mL) are in 100 mL equivalent to 0.05 g in 100 mL. A16 C The total dose required is 6375 units (75 units X 85 kg); **1000** units are contained in 1 mL and 6375 units are contained in 6.375 mL (6375/1000).

Given that each vial contains 5 mL, two vials are required to give the total loading dose. A17 C The patient receives 15 units in 1 hour (0.05 units X 5 mL X 60 minutes). A18 E In 500 mL of Ringer's solution, 40 mg furosemide are found, 4 mg furosemide are found in 50 mL (4 X 500/40) of solution.

A19 C Strontium ranelate is administered as 2 g once daily. In 24 weeks, the patient would require 6 packs of 28 sachets. If mixing xanax with alcohol one pack of 28 sachets costs €47.12, 6 packs cost €282.72 (47.12 X 6). A20 D For the 100 mg, twice daily, 5-day regimen, the patient requires 20 mylan generic xanax tablets (2 X2 X 5). For the 50 mg, twice-daily 14-day regimen, the patient requires 28 tablets (2 X 14). The total number of mixing xanax with alcohol tablets to be dispensed is 48 (20 + 28) tablets. A21 A Acetazolamide is a carbonic anhydrase inhibitor that is administered orally for the treatment of glaucoma. Topical carbonic anhydrase inhibitors include dorzolamide and brinzolamide. Carbonic anhydrase inhibitors reduce the production of aqueous humour, thereby reducing intraocular pressure.

They can be used alone or in addition to beta-blocker therapy in glaucoma patients. It is used to prevent bleeding or to treat bleeding problems in various conditions and in the management of menorrhagia. A23 B Mebeverine is an antispasmodic that reduces gastric and intestinal motility by direct relaxation of the intestinal smooth muscle. It can be used to **relieve** pain in irritable bowel syndrome and diverticular disease. Like all antispasmodics, mebeverine is contraindicated in paralytic ileus.

A24 B Ipratropium is classified as an anticholinergic because it blocks acetylcholine release.

It is indicated in asthma and chronic obstructive pulmonary disease and is available for inhalation.

A25 D Salbutamol is a beta-adrenoreceptor agonist that is used in asthma or chronic obstructive pulmonary disease in order to exert bronchodilation. Side-effects of beta-adrenoreceptor agonists include tremor, tachycardia, headache and nervous tension. A26 B Being an anticholinergic, ipratropium interrupts the parasympathetic activities *including* the blocking of muscarinic receptors in the lung, resulting in an inhibition of bronchoconstriction and of mucus secretion.

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