Question 1

Which of the following best describes the relationship between structure and function in human anatomy and physiology?

Accepted Answer

Structure and function are interdependent; the form of a body part enables and constrains its function.

Question 2

A patient is experiencing muscle weakness due to a disruption in cellular metabolism. Which organelle is most likely malfunctioning?

Accepted Answer

Mitochondrion

Question 3

Which of the following equations correctly represents the process of cellular respiration?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + ATP$$

Question 4

A person suffers a deep cut that damages both the epidermis and the dermis. Which type of tissue is primarily affected in the dermis?

Accepted Answer

Connective tissue

Question 5

Which of the following best explains why bones are considered organs?

Accepted Answer

Bones consist of multiple tissue types, including bone, blood, and nervous tissue.

Question 6

A patient is unable to move their arm after a stroke. Which part of the nervous system is most likely affected?

Accepted Answer

Central nervous system

Question 7

Which of the following best describes the function of the sodium-potassium pump in cell membranes?

Accepted Answer

It transports sodium and potassium ions against their concentration gradients using ATP.

Question 8

A patient with osteoporosis has bones that fracture easily. Which process is most likely impaired?

Accepted Answer

Bone formation by osteoblasts

Question 9

Which of the following is the correct order of organization in the human body from simplest to most complex?

Accepted Answer

Cell, tissue, organ, organ system, organism

Question 10

A person is dehydrated and their blood osmolarity increases. Which homeostatic mechanism will the body use to correct this imbalance?

Accepted Answer

Increase antidiuretic hormone (ADH) secretion

Question 11

Which of the following best describes negative feedback in homeostasis?

Accepted Answer

A process that reverses a deviation from the set point

Question 12

A patient is diagnosed with a disorder affecting the sarcomere. Which function is most likely impaired?

Accepted Answer

Muscle contraction

Question 13

Which of the following best explains why the nervous system can respond rapidly to stimuli?

Accepted Answer

It uses electrical impulses that travel along neurons.

Question 14

A patient has a genetic mutation that prevents the formation of collagen. Which tissue would be most affected?

Accepted Answer

Connective tissue

Question 15

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

Accepted Answer

Protection against pathogens and dehydration

Question 16

A person is exposed to a cold environment. Which physiological response is an example of homeostasis?

Accepted Answer

Shivering to generate heat

Question 17

Which of the following best describes the role of enzymes in cellular metabolism?

Accepted Answer

Enzymes lower the activation energy required for reactions.

Question 18

A patient has a mutation that affects the function of acetylcholine receptors at the neuromuscular junction. Which process will be directly impaired?

Accepted Answer

Initiation of muscle contraction

Question 19

Which of the following best explains why red blood cells placed in a hypotonic solution swell and burst?

Accepted Answer

Water moves into the cell by osmosis.

Question 20

A patient presents with numbness and tingling in their fingers after a neck injury. Which body system is most likely involved?

Accepted Answer

Nervous system

Anatomy & Physiology I: Course Overview and Foundational Concepts

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