FREE NURSING AND STUDY GAMES ABOUT A P WEEK 2

PDF Download FREE NURSING AND STUDY GAMES ABOUT A & P WEEK 2

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -113 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: An element that contains the same number of protons but different numbers of neutrons is called a(n)

Answer:

isotope.Question 2: Acids:

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are proton donors.taste sour.release hydrogen ions in an aqueous solution.Question 3: Amino acids frequently become joined by:

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peptide bonds.

Question 4: Which of the following are subatomic particles?

Proton Electron Radon Neutron

Answer:

Proton, Electron, Neutron.Question 5: Peptide bonds join together molecules of:

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amino acids.

Question 6: Which of the following represents properties of water?

Answer:

High specific heat High heat of vaporization Strong polarity Question 7: The term glycoprotein, a combination of two words, tells you that the compound is made of _____, with _____ being the dominant component.

Answer:

carbohydrate and protein; protein Question 8: What can form as the result of a chemical reaction between acids and bases, are electrolytes, will form crystals if the water is removed.

Answer:

Salts

Question 9: Which subatomic particles carry a charge?

Answer:

Protons and electrons

Question 10: Which of the following is not true of carbohydrates?

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They include substances commonly called sugars.They are the body's primary source They are a part of both DNA and RNA. of energy.Question 11: The water molecule has two distinct ends, each with a partial electrical charge.Because of this structure, water is said to be

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polar.

Question 12: The most abundant element essential to life is

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carbon.Question 13: Which of the following elements is least likely to combine with another element?

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Helium Question 14: The elements carbon, hydrogen, oxygen, and nitrogen make up which percentage of the human body?

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96%

Question 15: True/ False

A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid.

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False

Question 16: Which of the following bonds are the weakest?

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Hydrogen Question 17: The carbon-containing molecules formed by living things are often called

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organic molecules.Question 18: Prostaglandins and steroids share which of the following characteristics?

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Both have a ring structure in their molecule.

Question 19: The atomic number tells you the

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number of protons in the nucleus.

Question 20: A negatively charged subatomic particle that moves around the nucleus is a(n):

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electron.Question 21: A chemical bond formed by the sharing of one or more pairs of electrons between the outer shells of two atoms is called a(n) _____ bond.

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covalent Question 22: The reaction between hydrogen and oxygen needed to form water is an example of

a:

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synthesis reaction.Question 23: Which of the following is polymer of glucose that is sometimes referred to as animal starch?

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Glycogen Question 24: An ionic bond is formed by:

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a positive and a negative ion attracting each other.Question 25: Atoms with fewer than eight electrons in the outer energy level will attempt to lose, gain, or share electrons with other atoms to achieve stability. This tendency is called the

Answer:

octet rule.Question 26: A structural lipid found in the cell membrane is a:

Answer:

triglyceride.steroid.