What is the pka - Study guides, Class notes & Summaries
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APhA NAPLEX Review Questions And Answers 2022/2023
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If the pka of a weak acid is 2.5, at which pH will this drug become more ionized? 
 
A. pH 5 
B. pH 2.5 
C. pH 1.5 
D. pH 1 - Answer - A. For a weak acid, a higher pH increases ionization 
 
Which equation describes the rate of drug dissolution from a tablet? 
 
A. Fick's Law 
B. Henderson-Hasselbalch equation 
C. Michaelis-Menten equation 
D. Noyes-Whitney equation - Answer - D. The Noyes-Whitney equation describes the rate of drug dissolution from a tablet. Fick's first law of diffusion is s...
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ABFAS boards (Rear foot and forefoot) Questions and Answers Rated A+
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Properties of Calcium phosphate antibiotic beads non exothermic 
Must use powder 
Peaks at 3 hours and then elutes over 72 hours 
120 day shelf life 
Most common 5th metatarsal fracture Avulsion fracture (about 50% of 5th met fractures) 
normal IM between 4 and 5? 
normal lateral bowing angle? IM= 6.5-9.0 
bowing angle=2.6 
What is the Myerson procedure? use of EHB in correction of HAV. 
What is biologic fixation? stewart classification 5th met base fracture 
benefit of ropivicaine over bupivain...
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Biochemistry 1430 midterm (All Questions Answered Correctly)
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Typical Van der Waals energies are about: correct answers 2-4 kJ/mol 
 
A possible drug to treat COVID-19 has been discovered and is known to be a weak acid. At the pH of blood (7.4) the concentrations of acid and conjugate base are 0.075 and 0.025 respectively. What is its pKa? correct answers 3.00 
 
What is the [A-]/[HA] ratio whent he weak acid is in solution alone pH unit above its pKa? correct answers 10:1 
 
What are the primary chemical components present in a phosphate buffer at pH 7.4?...
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CHM 129 EXAM 3 Questions With 100% Solved Solutions!!
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Acids and bases are usually demoted as strong or weak, what's the difference? - Answer-- Strong acids 
and bases - reaction with water is 
approximately 100% 
- Weak acids and bases - reaction with water is much less than 100% 
What does acid and base strength not dictate? - Answer-Acid or base strength is not a measure of 
concentration 
What are some examples of strong acids? - Answer-HNO3, HCl, H2SO4 and HClO4 are strong acids 
What are electrolytes and what's the connection to acids? - Ans...
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Chem 241L Pollev Questions And Answers Latest Update 2024
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What form of bromo blue was soluble in the organic layer? 
 
a. Acidic 
b. Basic 
c. Both 
d. Neither - correct answers acidic bc its neutral 
 
What form of bromo blue was soluble in the aqueous layer? 
 
a. Acidic 
b. Basic 
c. Both 
d. Neither - correct answers basic bc it has charge on it and the aq layer in lab was polar and the basic layer was also polar 
 
when looking at the full spectra of the promo blue ranging from ph 5 to 10, the absorbance values converge. What is this point called?...
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ABFAS boards (Rear foot and forefoot) Questions and Answers Rated A+
- Exam (elaborations) • 68 pages • 2024
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ABFAS boards (Rear foot and forefoot) 
Questions and Answers Rated A+ 
 
Properties of Calcium phosphate antibiotic beads non exothermic 
Must use powder 
Peaks at 3 hours and then elutes over 72 hours 
120 day shelf life 
 
Most common 5th metatarsal fracture Avulsion fracture (about 50% of 5th met fractures) 
 
normal IM between 4 and 5? 
 
normal lateral bowing angle? IM= 6.5-9.0 
bowing angle=2.6 
 
What is the Myerson procedure? use of EHB in correction of HAV. 
 
What is biologic fixation?...
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TKA 2.0 Competency Exam Questions and Answers 2024/2025
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What data transfers from a PKA to TKA conversion? 
 Patient name + ID + Operative Side 
 Screen captures 
 CT data 
 Segmentation 
 CT landmarks 
What happen to surgeon preferences from a PKA to TKA conversion? 
 They become default 
What happens to CT landmarks new to 2.0 in a pka to tka conversion? 
 they are left blank 
When the segmentation is transferred from a pka to tka is it able to be edited? 
 if originally planned in the sagital plane then yes 
if orginially pl...
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CHEM 129 EXAM 3 Questions With 100% Correct Answers
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CHEM 129 EXAM 3 Questions With 100% 
Correct Answers 
Acids and bases are usually demoted as strong or weak, what's the difference? - answer- 
Strong acids and bases - reaction with water is 
approximately 100% 
- Weak acids and bases - reaction with water is much less than 100% 
What does acid and base strength not dictate? - answerAcid or base strength is not a measure 
of concentration 
What are some examples of strong acids? - answerHNO3, HCl, H2SO4 and HClO4 are 
strong acids 
What are ele...
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Chem 241 Questions And Answers Latest Update
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What is a major safety concern for the griganrd lab - correct answers Et2O flammability 
 
What are two features of a good solvent - correct answers soluble at high temps, doesn't react with compound being purified 
 
Mixtures of two compounds will lead to what type of MP - correct answers lower and braoder 
 
___________ solvents will dissolve the substance when hot, but not when cold - correct answers crystalization 
 
What leads to larger, purer crystals - correct answers slow cooling 
 
How...
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions.
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions. 
What are proteins made from? -Answer- amino acids 
What are some functions of proteins? (5) -Answer- structural, enzymatic, transport, 
defense, contractile 
Which isomer of carbohydrates is used in animals? -Answer- D 
What are DNA and RNA made of? -Answer- nucleic acids 
All lipids are formed from... -Answer- acetyl Co-A 
Complex lipids -Answer- phospholipids and glycolipids 
Simple lipids -Answer- triglycerides 
functions ...
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