$$\text{pH} = -\log_{10}[H^+]$$

$$\text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2 \rightarrow 6\text{CO}_2 + 6\text{H}_2\text{O} + \text{ATP}$$

Question 1

Which directional term best describes the position of the heart relative to the sternum?

Accepted Answer

Posterior

Question 2

A patient has a stab wound in the left hypochondriac region. Which abdominal quadrant is most likely affected?

Accepted Answer

Left upper quadrant

Question 3

Which of the following best describes the function of the mitochondria in a human cell?

Accepted Answer

Synthesizes ATP, providing energy for cellular processes

Question 4

Which type of chemical bond is the strongest among the following?

Accepted Answer

Covalent bond

Question 5

A solution with a pH of 5 is considered:

Accepted Answer

Acidic

Question 6

Which organelle is responsible for synthesizing proteins in the cell?

Accepted Answer

Ribosome

Question 7

Which process describes the movement of water from an area of higher concentration to lower concentration across a semipermeable membrane?

Accepted Answer

Osmosis

Question 8

Which of the following is a function of the cardiovascular system?

Accepted Answer

Transport oxygen, nutrients, and remove waste

Question 9

Which level of organization is immediately above 'cell' in the human body?

Accepted Answer

Tissue

Question 10

Which of the following best describes a buffer in a biological system?

Accepted Answer

A solution that resists changes in pH, even when small amounts of strong acid or base are added

Question 11

Which of the following is true about facilitated diffusion?

Accepted Answer

It requires a transport protein but does not require energy

Question 12

Which phase of the cell cycle involves the synthesis of DNA?

Accepted Answer

S phase

Question 13

Which of the following is a correct sequence for the response pathway in homeostasis?

Accepted Answer

Stimulus → sensor → control center → effector → response

Question 14

Which of the following best describes the role of enzymes in biological reactions?

Accepted Answer

They act as catalysts, speeding up reactions by lowering activation energy

Question 15

Which of the following is a correct formula for the calculation of pH?

Accepted Answer

$$	ext{pH} = -\log_{10}[H^+]$$

Question 16

A cell placed in a hypertonic solution will:

Accepted Answer

Lose water and shrink

Question 17

Which of the following best describes the primary structure of a protein?

Accepted Answer

The sequence of amino acids in the polypeptide chain

Question 18

Which organelle is responsible for packaging and sorting proteins made by the rough ER?

Accepted Answer

Golgi apparatus

Question 19

Which of the following is a correct description of homeostasis?

Accepted Answer

A constant state that must be maintained for the body to be functioning well

Question 20

Which of the following is a correct equation for cellular respiration's overall reaction?

Accepted Answer

$$	ext{C}_6	ext{H}_{12}	ext{O}_6 + 6	ext{O}_2 ightarrow 6	ext{CO}_2 + 6	ext{H}_2	ext{O} + 	ext{ATP}$$

Anatomy & Physiology: Foundational Concepts and Cellular Structure

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