Question 1

Which of the following best describes the principle of complementarity of structure and function?

Accepted Answer

Function always reflects structure; what a structure can do depends on its specific form.

Question 2

A patient has a mutation that causes their red blood cells to be spherical rather than biconcave. Which principle explains why this affects oxygen transport?

Accepted Answer

Principle of complementarity of structure and function

Question 3

Which of the following is an example of a negative feedback mechanism in the human body?

Accepted Answer

Regulation of blood glucose by insulin

Question 4

Which level of structural organization is correctly matched with its description?

Accepted Answer

Organ level: contains two or more types of tissues

Question 5

A person is exposed to high altitude, where atmospheric pressure is lower than at sea level. Which survival need is most directly affected?

Accepted Answer

Oxygen

Question 6

Which of the following best illustrates the concept of homeostasis?

Accepted Answer

The body temperature remains around 37°C despite external temperature changes.

Question 7

Which of the following is NOT a necessary life function?

Accepted Answer

Photosynthesis

Question 8

A patient with diabetes mellitus has difficulty maintaining stable blood glucose levels. Which component of the homeostatic control system is most likely malfunctioning?

Accepted Answer

Control center (pancreas)

Question 9

Which of the following best describes the role of effectors in a homeostatic control system?

Accepted Answer

They provide the means to respond to a stimulus.

Question 10

Which scenario is an example of positive feedback?

Accepted Answer

Blood clotting after a vessel injury

Question 11

If a person is unable to excrete metabolic wastes efficiently, which necessary life function is directly impaired?

Accepted Answer

Excretion

Question 12

Which of the following best explains why water is essential for survival?

Accepted Answer

It provides the watery environment necessary for chemical reactions.

Question 13

A scientist is studying the microscopic structure of liver tissue. Which field of anatomy is she working in?

Accepted Answer

Histology

Question 14

Which of the following is a correct sequence of the levels of structural organization in the human body, from simplest to most complex?

Accepted Answer

Chemical → Cell → Tissue → Organ → Organ system → Organism

Question 15

Which of the following is an example of how the muscular system contributes to maintaining boundaries?

Accepted Answer

By forming sphincters that separate internal compartments

Question 16

A person is unable to sense pain from a hot object and does not withdraw their hand. Which necessary life function is impaired?

Accepted Answer

Responsiveness

Question 17

Which of the following best describes metabolism?

Accepted Answer

All chemical reactions that occur in body cells, including catabolism and anabolism

Question 18

Which of the following is a real-world example of homeostatic imbalance?

Accepted Answer

An elderly person develops type 2 diabetes due to decreased efficiency of control systems

Question 19

Which of the following best explains why the body needs to maintain normal body temperature?

Accepted Answer

To ensure that rates of chemical reactions remain optimal

Question 20

A researcher is studying how the kidneys filter blood to form urine. Which division of physiology is this an example of?

Accepted Answer

Renal physiology

Introduction to Human Anatomy and Physiology: The Human Body—An Orientation

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