Question 1

Which body cavity contains the lungs and heart?

Accepted Answer

Thoracic cavity

Question 2

A patient is experiencing a fever due to an infection. Which feedback mechanism is most likely responsible for the body's attempt to return to normal temperature?

Accepted Answer

Negative feedback

Question 3

Which of the following best describes the function of the integumentary system?

Accepted Answer

Prevents water loss, entry of germs, and synthesizes vitamin D

Question 4

A vertical section through the body, dividing it into anterior and posterior regions, is called a:

Accepted Answer

Frontal (coronal) plane

Question 5

Which of the following is the best explanation for why cells are considered the smallest units of living things?

Accepted Answer

Cells contain the simplest structure to fulfill all of the characteristics necessary to be considered alive

Question 6

Which of the following statements about homeostatic imbalance is TRUE?

Accepted Answer

It is considered the cause of most diseases

Question 7

Which type of chemical bond is formed between oppositely charged ions?

Accepted Answer

Ionic bond

Question 8

Which of the following is a good example of a positive feedback mechanism?

Accepted Answer

Enhancement of labor contractions

Question 9

A transverse cut just above the knees would divide the body into:

Accepted Answer

Superior and inferior portions

Question 10

Which of the following is NOT a function of the muscular system?

Accepted Answer

Synthesizing vitamin D

Question 11

Which directional term means 'away from the point of attachment of a limb to the trunk'?

Accepted Answer

Distal

Question 12

Which of the following best describes a hydrogen bond?

Accepted Answer

Bond between a hydrogen atom with partial positive charge and an atom with slightly negative charge

Question 13

Which of the following is a function of the lymphatic system?

Accepted Answer

Removes and filters fluid from tissues, includes vessels and nodes

Question 14

Which of the following is NOT a characteristic of proteins?

Accepted Answer

They appear to be the molecular carriers of coded hereditary information

Question 15

Which of the following is a general function of a fibrous protein?

Accepted Answer

Structural framework

Question 16

Which of the following best describes the role of the control center in a feedback loop?

Accepted Answer

Receives input and determines the appropriate response

Question 17

Which of the following is the smallest particle of an element that retains its properties?

Accepted Answer

Atom

Question 18

Which type of energy is associated with the movement of charged particles (electrons)?

Accepted Answer

Electrical energy

Question 19

Which of the following best describes a molecule of salt (NaCl)?

Accepted Answer

Ionic compound

Question 20

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

Accepted Answer

Visceral pericardium covers the outer surface of the heart, and parietal pericardium lines the internal walls of the heart

Anatomy & Physiology: Human Body Orientation, Chemistry, Cells, and Tissues – Study Guide

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