Q: A solution has a pH of 4. What is the concentration of hydrogen ions $$[H^+] in $$this solution?

$$[H^+] = 1 \times 10$$^{-4}$$ M

Q: Which equation correctly represents the Nernst equation for calculating equilibrium potential?

$$E = \frac{RT}{zF} \ln \frac{[\text{ion outside}]}{[\text{ion inside}]}$$

Question 1

Which of the following best describes the difference between Anatomy and Physiology?

Accepted Answer

Anatomy is the study of the structure of body parts, while Physiology is the study of the function of those parts.

Question 2

Which organ system is primarily responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Circulatory system

Question 3

A patient is experiencing muscle weakness and poor body movement. Which tissue type is most likely affected?

Accepted Answer

Muscle tissue

Question 4

Which of the following is NOT an essential element for life according to Miller’s experiment?

Accepted Answer

Calcium

Question 5

Which functional group is commonly found in amino acids and is responsible for their acidic properties?

Accepted Answer

Carboxyl group ($$-COOH)$$

Question 6

Which of the following best describes the difference between a covalent bond and a hydrogen bond?

Accepted Answer

A covalent bond involves sharing electrons between atoms, while a hydrogen bond is a weak attraction between polar molecules.

Question 7

A solution has a pH of 4. What is the concentration of hydrogen ions $$[H^+] in $$this solution?

Accepted Answer

$$[H^+] = 1 	imes 10$$^{-4}$$ M

Question 8

Which of the following is a correct example of an exergonic reaction in the human body?

Accepted Answer

Hydrolysis of ATP to ADP and $$P_i$$

Question 9

Which equation correctly represents the Nernst equation for calculating equilibrium potential?

Accepted Answer

$$E = \frac{RT}{zF} \ln \frac{[	ext{ion outside}]}{[	ext{ion inside}]}$$

Question 10

Which of the following best explains why enzymes are considered biological catalysts?

Accepted Answer

They speed up chemical reactions without being consumed.

Question 11

A cell is placed in a hypertonic solution. What will happen to the cell?

Accepted Answer

It will shrink as water leaves the cell.

Question 12

Which of the following is a major function of proteins in the cell?

Accepted Answer

Catalyzing biochemical reactions

Question 13

Which process requires energy input and moves substances against their concentration gradient?

Accepted Answer

Active transport

Question 14

Which of the following best describes the role of NADH in cellular respiration?

Accepted Answer

It carries high-energy electrons to the electron transport chain.

Question 15

Which of the following is a correct statement about the fluid mosaic model of the cell membrane?

Accepted Answer

Phospholipids and proteins can move laterally within the membrane.

Question 16

Which of the following is a correct example of a catabolic reaction?

Accepted Answer

Breakdown of glucose during glycolysis

Question 17

Which type of chemical bond is responsible for the primary structure of proteins?

Accepted Answer

Peptide bonds

Question 18

Which of the following best describes the difference between eukaryotic and prokaryotic cells?

Accepted Answer

Eukaryotic cells have a nucleus and membrane-bound organelles, while prokaryotic cells do not.

Question 19

Which of the following is a correct definition of homeostasis?

Accepted Answer

The maintenance of a stable internal environment despite external changes.

Question 20

Which equation correctly represents the relationship between free energy change ($$\Delta G$$), enthalpy ($$\Delta H$$), and entropy ($$\Delta S) at $$temperature $$T$$?

Accepted Answer

$$\Delta G = \Delta H - T\Delta S$$

Foundations of Anatomy & Physiology: Study Guide

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