Question 1

Which of the following best describes the relationship between anatomy and physiology?

Accepted Answer

Anatomy is the study of biological form, and physiology is the study of biological functions; form and function are closely correlated.

Question 2

Which tissue type is primarily responsible for the rapid transmission of information throughout the body?

Accepted Answer

Nervous tissue

Question 3

A patient is diagnosed with a disease that affects the collagen fibers in their body. Which tissue type is most likely to be directly impacted?

Accepted Answer

Connective tissue

Question 4

Which of the following is a correct sequence of organization in animal bodies, from simplest to most complex?

Accepted Answer

Cell → Tissue → Organ → Organ system

Question 5

Which of the following is NOT a function of glial cells in nervous tissue?

Accepted Answer

Transmitting electrical impulses

Question 6

Which hormone is released by the pancreas in response to high blood glucose levels, and what is its primary effect?

Accepted Answer

Insulin; decreases blood glucose by promoting glucose uptake

Question 7

Which of the following best illustrates negative feedback in homeostasis?

Accepted Answer

A hormone causes a response that counteracts the original stimulus.

Question 8

A marine fish is placed in freshwater. Which of the following challenges will it most likely face?

Accepted Answer

Excessive water gain by osmosis

Question 9

Which of the following is a characteristic of steroid hormones?

Accepted Answer

They diffuse across cell membranes and bind to intracellular receptors.

Question 10

Which process is responsible for reclaiming valuable solutes from the filtrate in the vertebrate kidney?

Accepted Answer

Reabsorption

Question 11

Which of the following best describes the role of the hypothalamus in the endocrine system?

Accepted Answer

It acts as a control center, releasing hormones that regulate the pituitary gland.

Question 12

Which of the following is an example of positive feedback in the human body?

Accepted Answer

Release of oxytocin during childbirth, increasing uterine contractions

Question 13

Which of the following is true about endotherms compared to ectotherms?

Accepted Answer

Endotherms can maintain a stable body temperature despite environmental fluctuations.

Question 14

Which of the following is NOT a mechanism by which animals exchange heat with their environment?

Accepted Answer

Photosynthesis

Question 15

A freshwater fish is transferred to a saltwater environment. What is the most immediate physiological challenge it will face?

Accepted Answer

Excessive water loss by osmosis

Question 16

Which of the following best explains why hormones can have specific effects on certain tissues but not others?

Accepted Answer

Only tissues with the appropriate receptors for a hormone can respond to it.

Question 17

Which of the following is a correct statement about osmoregulators?

Accepted Answer

They expend energy to control water uptake and loss.

Question 18

Which of the following is the main nitrogenous waste excreted by most aquatic animals?

Accepted Answer

Ammonia

Question 19

Which of the following best describes the process of acclimatization in thermoregulation?

Accepted Answer

A reversible physiological adjustment to seasonal temperature changes

Question 20

Which of the following is a multi-step process that amplifies hormone signals in the body?

Accepted Answer

The hypothalamic-pituitary axis

Chapter 32: The Internal Environment of Animals – Organization and Regulation

Study Guide - Practice Questions