$$\text{Mass Number} = \text{Atomic Number} + \text{Number of Neutrons}$$

$$\text{ATP} + \text{H}_2\text{O} \rightarrow \text{ADP} + \text{P}_i + \text{Energy}$$

Question 1

Which of the following is NOT one of the eight necessary life functions required to maintain life?

Accepted Answer

Photosynthesis

Question 2

A patient is experiencing a rapid increase in blood clotting after a vessel injury. Which type of feedback mechanism is responsible for this process?

Accepted Answer

Positive feedback

Question 3

Which term best describes a body part that is closer to the midline of the body?

Accepted Answer

Medial

Question 4

The thoracic cavity contains which of the following organs?

Accepted Answer

Lungs

Question 5

Which membrane lines the ventral body cavity and covers the organs within it?

Accepted Answer

Serous membrane

Question 6

Which abdominal quadrant would you examine for pain associated with appendicitis?

Accepted Answer

Right lower quadrant

Question 7

Which equation correctly represents the relationship between atomic number, mass number, and neutrons in an atom?

Accepted Answer

$$	ext{Mass Number} = 	ext{Atomic Number} + 	ext{Number of Neutrons}$$

Question 8

Which of the following best describes a covalent bond?

Accepted Answer

A bond formed by the sharing of electron pairs between atoms

Question 9

Which of the following is a buffer system that helps maintain acid-base homeostasis in the blood?

Accepted Answer

Bicarbonate buffer system

Question 10

A triglyceride is composed of which building blocks?

Accepted Answer

Three fatty acids and one glycerol

Question 11

Which of the following best explains the difference between saturated and unsaturated fatty acids?

Accepted Answer

Saturated fatty acids have only single bonds; unsaturated fatty acids have one or more double bonds

Question 12

Where in the body are phospholipids most abundantly found?

Accepted Answer

In the cell membrane

Question 13

Which molecule is considered the most important steroid in the body and is a precursor for other steroid hormones?

Accepted Answer

Cholesterol

Question 14

Which of the following is a correct pairing of nitrogenous bases in DNA?

Accepted Answer

Adenine pairs with thymine

Question 15

Which equation correctly represents the hydrolysis of ATP?

Accepted Answer

$$	ext{ATP} + 	ext{H}_2	ext{O} ightarrow 	ext{ADP} + 	ext{P}_i + 	ext{Energy}$$

Question 16

Which of the following best describes the difference between kinetic and potential energy in the context of muscle contraction?

Accepted Answer

Kinetic energy is the energy of movement during contraction; potential energy is stored in the muscle before contraction

Question 17

Which of the following is a real-life example of a chemical exchange reaction in the human body?

Accepted Answer

Conversion of glucose and oxygen to carbon dioxide and water during cellular respiration

Question 18

Which factor would NOT increase the rate of a chemical reaction in the body?

Accepted Answer

Decreasing concentration of reactants

Question 19

Which structural level of a protein is characterized by the folding of polypeptide chains into alpha helices and beta sheets?

Accepted Answer

Secondary structure

Question 20

Which of the following is a difference between fibrous and globular proteins?

Accepted Answer

Fibrous proteins provide structural support; globular proteins function as enzymes and hormones

Anatomy & Physiology Study Guide: Chapters 1 & 2

Study Guide - Practice Questions