$$\text{Mass number} = \text{Number of protons} + \text{Number of neutrons}$$

Question 1

A patient is stabbed with a screwdriver that enters their right lung. Which body cavity is directly penetrated by the screwdriver?

Accepted Answer

The pleural cavity

Question 2

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, feet slightly apart, palms facing forward, and thumbs pointing away from the body

Question 3

A cut made along the horizontal plane of the body would result in which type of section?

Accepted Answer

Transverse section

Question 4

Which directional term describes a structure that is farther from the attachment of a limb to the trunk?

Accepted Answer

Distal

Question 5

If a person is lying face down, which anatomical term best describes their position?

Accepted Answer

Prone

Question 6

Which of the following best describes the relationship between the chin and the nose?

Accepted Answer

The chin is inferior to the nose

Question 7

Which of the following is a correct description of the serous membranes?

Accepted Answer

They are thin, double-layered membranes that cover the walls and organs in the thoracic and abdominopelvic cavities

Question 8

Which of the following best describes the difference between a molecule and a compound?

Accepted Answer

A molecule consists of two or more atoms, while a compound consists of two or more different kinds of atoms

Question 9

Which of the following elements makes up the largest percentage of the human body by mass?

Accepted Answer

Oxygen

Question 10

A radioactive isotope used in medical imaging emits subatomic particles as it decays. What is this process called?

Accepted Answer

Radioactivity

Question 11

Which of the following best describes potential energy in the context of human physiology?

Accepted Answer

Energy stored in the bonds of chemical substances

Question 12

A midsagittal section of the body would divide the body into which of the following?

Accepted Answer

Equal right and left halves

Question 13

Which of the following is the correct formula for calculating the mass number of an atom?

Accepted Answer

$$	ext{Mass number} = 	ext{Number of protons} + 	ext{Number of neutrons}$$

Question 14

Which of the following best describes the term 'lateral'?

Accepted Answer

Away from the midline of the body

Question 15

Which of the following is a real-world example of energy conversion in the human body?

Accepted Answer

The conversion of chemical energy from glucose into kinetic energy during muscle contraction

Question 16

A patient has a tumor in the mediastinum. Which organ could be directly affected?

Accepted Answer

Heart

Question 17

Which of the following statements about isotopes is correct?

Accepted Answer

Isotopes of an element have the same number of protons but different numbers of neutrons

Question 18

Which of the following best describes the function of serous fluid?

Accepted Answer

It reduces friction between organs within the body cavities

Question 19

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

Accepted Answer

Chemical, cellular, tissue, organ, organ system, organism

Question 20

A patient is experiencing dehydration. Which branch of science would be most helpful in determining the correct solution to use for treatment?

Accepted Answer

Chemistry and biochemistry

Body Organization, Anatomical Terminology, and Basic Chemistry in Anatomy & Physiology

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