Question 1

Which organ system is primarily responsible for protecting the body from environmental hazards and regulating body temperature?

Accepted Answer

Integumentary system

Question 2

A patient presents with a broken femur. Which organ system is directly affected?

Accepted Answer

Skeletal system

Question 3

Which directional term describes a structure that is closer to the head than another structure?

Accepted Answer

Superior

Question 4

If a surgeon makes a cut that divides the body into right and left halves, which plane is being used?

Accepted Answer

Sagittal plane

Question 5

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

Accepted Answer

Producing hormones

Question 6

A patient has damage to the parietal pericardium. Which organ is most directly affected?

Accepted Answer

Heart

Question 7

Which cell organelle is responsible for producing ATP, the cell’s main energy currency?

Accepted Answer

Mitochondrion

Question 8

During which phase of the cell cycle does DNA replication occur?

Accepted Answer

S phase

Question 9

Which anatomical term refers to a structure that is farther from the point of attachment to the trunk?

Accepted Answer

Distal

Question 10

A patient has fluid accumulation in the pleural cavity. Which serous membrane is involved?

Accepted Answer

Pleura

Question 11

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, feet together, arms at sides, palms facing forward

Question 12

Which organ system includes the spleen, lymph nodes, and tonsils?

Accepted Answer

Lymphatic system

Question 13

Which body cavity contains the heart and lungs?

Accepted Answer

Thoracic cavity

Question 14

Which of the following is a function of the smooth endoplasmic reticulum?

Accepted Answer

Lipid synthesis

Question 15

If a patient has a tumor in the right lower quadrant (RLQ) of the abdomen, which organ could be affected?

Accepted Answer

Appendix

Question 16

Which phase of mitosis is characterized by the alignment of chromosomes along the center of the cell?

Accepted Answer

Metaphase

Question 17

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

Accepted Answer

Reduces friction between organs during movement

Question 18

A patient has damage to the visceral peritoneum. Which organ system is most likely affected?

Accepted Answer

Digestive system

Question 19

Which of the following equations correctly represents the relationship between the number of chromosomes before and after mitosis in a human cell?

Accepted Answer

$$n_{before} = n_{after}$$

Question 20

Which of the following best explains why the anatomical position is important in medical terminology?

Accepted Answer

It allows for consistent reference points when describing locations and relationships of body structures.

Anatomy & Physiology Laboratory Study Notes: Body Organization, Anatomical Terms, Membranes, and Cell Structure

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