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HESI A2, V1 (2019)- CHEMISTRY EXAM QUESTIONS
Qs and Ans Expert- Explanation
This Exam contains:
-Guarantee passing score -16 Questions and Answers -format set of multiple-choice -Expert- Explanation
Question 1: B. A 5-carbon sugar
Answer:
How many amino acids are essential for human life?
- 20
- 22
- As many as 585
- Amino acids are not essential for life.
Question 2: B. Glucose from proteins and fats
Answer:
The 3 in the power of 10^3 is called the:
- Coefficient
- Significand
- Subscript
- Exponent
Question 3: What would be the oxidation state of the sulfur atom is sulfuric acid, H(2)SO(4)?
- +4
- +5
- +6
- +8
Answer:
- +6
Question 4: False
Answer:
How many amino acids are in a dipeptide?
- 3
- An even number
- An odd number
- 2
- Proton acceptors
- Proton donors
- Electron acceptors
- Electron donors
Question 5: Acids are:
Answer:
- Proton donors
Question 6: How many neutrons does carbon 14 (^14C) have?
- 6
- 7
- 8
- 9.
Answer:
- 8
*Carbon usually has 6 protons. 14-6= 8
Question 7: D. 2
*Di=2
Answer:
Glycogen is:
- A plant starch
- A disaccharide
- An animal starch
- Not a starch or a disaccharide
Question 8: C. An animal starch
Answer:
Gluconeogenesis is a process that produces:
- Energy and ATP
- Glucose from proteins and fats
- DNA and RNA
- Fat from glucose and proteins
Question 9: What is the strongest type of chemical bond?
- Covalent
- Hydrogen
- Ionic
- Dipole interactions
Answer:
- Covalent
Question 10: D. Exponent
Answer:
A pentose is:
- Pentateuch
- A 5-carbon sugar
- One of the bases of the base pairs in DNA and RNA
- Found in DNA but not RNA
Question 11: See #9 in HESI Book
Answer:
What is the correct name for MgSO(4)?
- Magnesium sulfate
- Manganese
- Magnesium sugar
- Manganese silicate
Question 12: An individual who weights 125 lb weighs how much in kilograms?
- 56.8 kg
- 2750 kg
- 68.5 kg
- 100 kg
Answer:
- 56.8 kg
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