Question 1

Which of the following best differentiates anatomy from physiology?

Accepted Answer

Anatomy examines the structure of body parts, while physiology investigates their function.

Question 2

A patient presents with dehydration. Which property of water is most critical in maintaining body temperature during dehydration?

Accepted Answer

Water's high heat capacity

Question 3

Which organelle is primarily responsible for ATP production in human cells?

Accepted Answer

Mitochondrion

Question 4

A mutation causes the sodium-potassium pump to malfunction. What immediate effect would this have on a neuron’s resting membrane potential?

Accepted Answer

The resting membrane potential would approach zero, reducing excitability.

Question 5

Which of the following equations correctly represents the Law of Thermodynamics as it applies to energy transfer in the human body?

Accepted Answer

$$\Delta E = Q - W$$

Question 6

A patient’s blood pH drops to 7.1. Which buffer system is most responsible for correcting this acidosis?

Accepted Answer

Bicarbonate buffer system

Question 7

Which of the following best describes the function of tight junctions in epithelial tissue?

Accepted Answer

They prevent leakage of substances between cells.

Question 8

A patient with cystic fibrosis has thick mucus in the respiratory tract. Which cellular structure is most likely malfunctioning?

Accepted Answer

Cilia

Question 9

Which of the following is a correct sequence of layers in the epidermis from deepest to superficial?

Accepted Answer

Stratum basale, stratum spinosum, stratum granulosum, stratum corneum

Question 10

Which equation best represents the osmotic pressure ($$\Pi) $$across a semipermeable membrane?

Accepted Answer

$$\Pi = iMRT$$

Question 11

A patient is unable to absorb nutrients due to damage in the small intestine. Which tissue type is most likely affected?

Accepted Answer

Epithelial tissue

Question 12

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

Accepted Answer

Enzymes lower the activation energy, speeding up reactions.

Question 13

A patient with severe burns loses large amounts of plasma. Which plasma membrane component is most critical for maintaining cell integrity?

Accepted Answer

Cholesterol

Question 14

Which of the following is NOT a function of the skin?

Accepted Answer

Production of red blood cells

Question 15

Which equation correctly describes the relationship between pressure, volume, and temperature in the lungs during respiration?

Accepted Answer

$$PV = nRT$$

Question 16

A patient is diagnosed with diabetes mellitus. Which organ is primarily responsible for insulin production?

Accepted Answer

Pancreas

Question 17

Which of the following best describes homeostasis?

Accepted Answer

The maintenance of a stable internal environment

Question 18

A patient with a genetic disorder cannot produce collagen. Which tissue type will be most affected?

Accepted Answer

Connective tissue

Question 19

Which of the following is a correct description of the plasma membrane’s arrangement?

Accepted Answer

A double layer of phospholipids with proteins embedded throughout

Question 20

A patient is experiencing muscle weakness due to low calcium levels. Which equation best represents the role of calcium in muscle contraction?

Accepted Answer

$$Ca^{2+} + $$Troponin \rightarrow Contraction$$

Anatomy & Physiology Semester 1 Final Study Guide: Key Concepts and Review

Study Guide - Practice Questions