Question 1

Which subdivision of anatomy focuses on the study of structures that are large enough to be seen without magnification?

Accepted Answer

Gross anatomy

Question 2

A patient presents with a tumor in the mediastinum. Which body cavity is directly involved?

Accepted Answer

Ventral body cavity

Question 3

Which imaging technique uses a radioactive tracer to visualize metabolically active tissues?

Accepted Answer

PET scan

Question 4

Which primary germ layer gives rise to the nervous system and skin?

Accepted Answer

Ectoderm

Question 5

A midsagittal section divides the body into:

Accepted Answer

Equal right and left portions

Question 6

Which of the following best describes the function of negative feedback in homeostasis?

Accepted Answer

It maintains parameters within a standard range by reversing deviations

Question 7

In the control of blood sugar, which hormone lowers blood glucose levels?

Accepted Answer

Insulin

Question 8

Which directional term means 'toward the midline of the body'?

Accepted Answer

Medial

Question 9

A patient is lying face up on an examination table. What is the anatomical term for this position?

Accepted Answer

Supine

Question 10

Which serous membrane directly covers the surface of the heart?

Accepted Answer

Visceral pericardium

Question 11

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

Accepted Answer

Atomic, molecular, cellular, tissue, organ, organ system, organism

Question 12

A break in a blood vessel triggers platelets to release chemicals that attract more platelets, forming a clot. This is an example of:

Accepted Answer

Positive feedback

Question 13

Which body system is primarily responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Cardiovascular system

Question 14

Which imaging technique is best for visualizing soft tissues such as the brain and spinal cord without using ionizing radiation?

Accepted Answer

MRI

Question 15

Which tissue type is specialized for contraction and movement?

Accepted Answer

Muscle tissue

Question 16

A patient with cirrhosis develops ascites. In which body cavity does the abnormal fluid accumulate?

Accepted Answer

Peritoneal cavity

Question 17

Which of the following best describes the anatomical position?

Accepted Answer

Body is erect, feet on the floor, arms at sides, palms facing forward

Question 18

Which plane divides the body into anterior and posterior portions?

Accepted Answer

Frontal (coronal) plane

Question 19

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

Accepted Answer

Production of movement

Question 20

A patient is experiencing increased breathing rate due to elevated blood CO$$_2$$ levels. According to the homeostatic control system, what is the stimulus?

Accepted Answer

Elevated blood CO$$_2$$ levels

Introduction to Human Anatomy & Physiology: Organization, Subdivisions, and Homeostasis

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