What is a primary disadvantage of ultrasonography?

Correct answer: The image quality is heavily operator-dependent.

Explanation

This question asks for a specific drawback of the ultrasonography imaging technique as described in the chapter.

Other questions

Question 1

Which term refers to the scientific study of the body's structures, some of which are so small they can only be observed with a microscope?

Question 2

What is the key difference between gross anatomy and microscopic anatomy?

Question 3

A study focusing on all the muscles, nerves, and blood vessels of the arm would be an example of which approach?

Question 4

Which of the following represents the levels of structural organization of the human body from the simplest to the most complex?

Question 5

An organ is defined as an anatomically distinct structure of the body composed of how many tissue types?

Question 6

The integumentary system, the body's largest organ system, includes which of the following structures?

Question 7

Which metabolic process involves combining smaller, simpler molecules into larger, more complex substances, and requires energy?

Question 8

Which of the following is an example of the body's responsiveness to an internal environmental change?

Question 9

According to Section 1.4, what is the most critical nutrient for human survival?

Question 10

What is one of the body's primary physiological responses to short-term exposure to cold?

Question 11

Decompression sickness (DCS) is caused by a rapid reduction in what?

Question 12

What is the term for the component in a feedback system that monitors a physiological value?

Question 13

In the positive feedback loop of childbirth, what is the initial stimulus?

Question 14

What is the standard reference position for mapping the body's structures, where the body is standing upright with feet at shoulder width and palms facing forward?

Question 15

Which directional term describes a position farther from the point of attachment or the trunk of the body?

Question 16

A cross section of the body is produced by which imaginary two-dimensional plane?

Question 17

The dorsal body cavity is subdivided into which two cavities?

Question 18

What is the function of the fluid produced by serous membranes?

Question 19

Which medical imaging technique uses a computer to analyze several cross-sectional X-rays to reveal minute details about structures in the body?

Question 20

What major advantage does MRI have over CT scans and X-rays?

Question 21

Which organ system is responsible for secreting hormones that regulate bodily processes?

Question 22

What is the smallest independently functioning unit of a living organism?

Question 23

The process of differentiation is included under which major function of human life?

Question 24

The term caudal is a directional term synonymous with which other term?

Question 25

Which body cavity contains the heart and lungs?

Question 26

What is the medical term for clinically induced hypothermia performed to reduce the metabolic rate of an organ or the entire body?

Question 27

In a negative feedback loop for controlling blood glucose, what acts as the sensor?

Question 28

The term 'popliteus' refers to a region posterior to what body part?

Question 29

Which body plane is also known as a coronal plane?

Question 30

Which imaging technique can illustrate physiologic activity, such as nutrient metabolism and blood flow, rather than just static images?

Question 31

The study of the chemistry and physics of the body's structures and how they work together is called what?

Question 32

A group of organs that work together to perform major functions or meet physiological needs of the body is called a(n) ____.

Question 33

Which of the following is NOT listed as one of the four requirements for human life in Section 1.4?

Question 34

A body that is lying down in a face-down orientation is described as being in what position?

Question 35

The diaphragm separates which two body cavities?

Question 36

The parietal layer of a serous membrane does what?

Question 37

Which of the following is an example of an organ system?

Question 38

What is the term for a state of steady internal conditions maintained by living things?

Question 39

A vertical plane that divides the body or an organ into unequal right and left sides is called a ____.

Question 40

Which imaging study is considered the least invasive and is often used in sensitive situations like pregnancy?

Question 41

The study of the functions of the brain, spinal cord, and nerves falls under which branch of physiology?

Question 42

Water makes up about what percentage of an adult's body mass?

Question 43

Which term describes the back or direction toward the back of the body?

Question 44

The abdominopelvic cavity can be subdivided into four quadrants or how many regions?

Question 46

Which of the eleven organ systems is responsible for returning fluid to blood and defending against pathogens?

Question 47

The process by which unspecialized cells become specialized in structure and function is called what?

Question 48

Using directional terms, the thumb (pollex) is ____ to the other digits.

Question 49

The heart is located within a specific region of the thoracic cavity called the ____.

Question 50

Which of the following would be an example of systemic anatomy?