Question 1

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

Accepted Answer

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

Question 2

A patient is experiencing a drop in blood glucose levels. The pancreas detects this change and releases glucagon, which causes the liver to release glucose into the blood, restoring normal levels. Which type of feedback mechanism is illustrated in this scenario?

Accepted Answer

Negative feedback

Question 3

Which of the following correctly lists the levels of structural organization in the human body from simplest to most complex?

Accepted Answer

Atom, molecule, cell, tissue, organ, organ system, organism

Question 4

Which directional term would best describe the relationship of the heart to the lungs?

Accepted Answer

The heart is medial to the lungs.

Question 5

A surgeon makes an incision that separates the body into anterior and posterior sections. Which anatomical plane is being used?

Accepted Answer

Coronal (frontal) plane

Question 6

Which of the following is a characteristic of serous membranes?

Accepted Answer

They line body cavities that do not open to the exterior and secrete a lubricating fluid.

Question 7

Which of the following best describes the difference between intracellular and extracellular fluid?

Accepted Answer

Intracellular fluid is the fluid within cells, while extracellular fluid is the fluid outside cells.

Question 8

Which of the following is an example of passive transport across a cell membrane?

Accepted Answer

Facilitated diffusion

Question 9

A cell receives a signal from a hormone that binds to a receptor on its surface, triggering a cascade of events inside the cell. What type of receptor is most likely involved?

Accepted Answer

Cell surface (membrane-bound) receptor

Question 10

Which of the following best describes the process of cellular adhesion?

Accepted Answer

The process by which cells stick to each other or to the extracellular matrix

Question 11

Which of the following is NOT a characteristic of epithelial tissue?

Accepted Answer

It contains abundant extracellular matrix.

Question 12

A gland that releases its secretions directly into the bloodstream is classified as which type of gland?

Accepted Answer

Endocrine gland

Question 13

Which of the following best explains why connective tissue differs from epithelial tissue?

Accepted Answer

Connective tissue has abundant extracellular matrix, while epithelial tissue has very little.

Question 14

A patient is diagnosed with peritonitis, an inflammation of a serous membrane. Which body cavity is most directly affected?

Accepted Answer

Abdominal cavity

Question 15

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

Accepted Answer

They prevent substances from passing between adjacent cells.

Question 16

Which of the following is a correct example of directional terminology?

Accepted Answer

The nose is superior to the chin.

Question 17

A scientist is studying the signaling process by which a neuron releases a neurotransmitter that binds to a receptor on a neighboring cell. Which type of cell signaling is this?

Accepted Answer

Paracrine signaling

Question 18

Which of the following best describes the difference between negative and positive feedback in homeostasis?

Accepted Answer

Negative feedback opposes the original stimulus, while positive feedback amplifies it.

Question 19

A tissue sample is observed to have cells that are flat, tightly packed, and arranged in multiple layers. Which type of epithelial tissue is this most likely to be?

Accepted Answer

Stratified squamous epithelium

Question 20

A patient has a tumor in the dorsal body cavity. Which organ could be affected?

Accepted Answer

Brain

Anatomy & Physiology: Introduction and Cells & Tissues Study Guide

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