Q: Which equation correctly represents the relationship between atomic number and the number of protons in an atom?

$$\text{Atomic Number} = \text{Number of Protons}$$

Question 1

Which statement best explains the concept 'structure defines function' in human anatomy?

Accepted Answer

The shape and arrangement of anatomical structures determine their physiological roles.

Question 2

A patient is placed in a CT scanner to view the anatomical relationship between the heart and lungs. Which plane of reference is most appropriate for this observation?

Accepted Answer

Coronal (frontal) plane

Question 3

Which membrane surrounds organs within the thoracic cavity and provides compartmentalization?

Accepted Answer

Serous membrane

Question 4

Which inorganic compound is referred to as the universal solvent, and why?

Accepted Answer

Water, because it dissolves more substances than any other liquid due to its polarity.

Question 5

A buffer system in blood responds to an increase in pH by:

Accepted Answer

Releasing hydrogen ions ($$\mathrm{H^+}) to $$lower the pH.

Question 6

Which equation correctly represents the relationship between atomic number and the number of protons in an atom?

Accepted Answer

$$	ext{Atomic Number} = 	ext{Number of Protons}$$

Question 7

Which type of chemical bond is the strongest?

Accepted Answer

Covalent bond

Question 8

Which monosaccharides are classified as hexose sugars?

Accepted Answer

Glucose, fructose, galactose

Question 9

Which category of proteins is easily denatured by low pH and high temperature?

Accepted Answer

Globular proteins

Question 10

Which lipoprotein is referred to as 'Bad Cholesterol' and why?

Accepted Answer

LDL, because it transports cholesterol to tissues and can contribute to plaque formation in arteries.

Question 11

Which cytoplasmic organelle is abundant in cells involved in drug detoxification and steroid hormone synthesis?

Accepted Answer

Smooth endoplasmic reticulum

Question 12

A red blood cell placed in a 9% NaCl solution will:

Accepted Answer

Shrink due to water leaving the cell (crenation)

Question 13

Which cytoskeletal element forms cilia and flagella, and what is the structural difference between them?

Accepted Answer

Microtubules; cilia are short and numerous, flagella are long and singular

Question 14

Which phase of the cell cycle does DNA replication occur?

Accepted Answer

S phase of interphase

Question 15

Which nitrogenous base is only present in RNA?

Accepted Answer

Uracil

Question 16

Which tissue type is responsible for covering surfaces and forming glands?

Accepted Answer

Epithelial tissue

Question 17

Which type of cartilage forms most of the embryonic skeleton?

Accepted Answer

Hyaline cartilage

Question 18

Which membrane is the same as skin?

Accepted Answer

Cutaneous membrane

Question 19

Which muscle tissue type is multinucleated and striated?

Accepted Answer

Skeletal muscle

Question 20

Which region of a neuron is referred to as the 'conducting region' and why?

Accepted Answer

Axon, because it transmits electrical impulses away from the cell body

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