Question 1

Which of the following best describes the relationship between tissues, organs, and organ systems in the body's organization?

Accepted Answer

Tissues form organs, and organs work together in organ systems.

Question 2

Which tissue type is primarily responsible for covering body surfaces and lining body cavities, and what is its main protective function?

Accepted Answer

Epithelial tissue; it acts as a barrier that substances must physically pass through to enter the body.

Question 3

A patient suffers a tendon injury. Which type of connective tissue is most likely affected, and what is its main structural component?

Accepted Answer

Dense fibrous connective tissue; collagen fibers

Question 4

Which of the following is NOT a function of blood as a connective tissue?

Accepted Answer

Providing rigidity and strength to bones

Question 5

Which muscular tissue type is voluntary, striated, and attached to bones by tendons?

Accepted Answer

Skeletal muscle

Question 6

A nerve impulse travels faster due to the presence of a myelin sheath. Which cell type is responsible for forming this sheath in the peripheral nervous system?

Accepted Answer

Schwann cell

Question 7

Which organ system is primarily responsible for the rapid coordination and regulation of other body systems?

Accepted Answer

Nervous system

Question 8

Which of the following best explains why epithelial tissue is more likely to become cancerous compared to other tissue types?

Accepted Answer

It constantly replaces its cells through frequent cell division.

Question 9

Which organ system absorbs fat from the digestive system and collects excess tissue fluid?

Accepted Answer

Lymphatic system

Question 10

A person is experiencing difficulty in maintaining blood pH and fluid balance. Which organ system is most directly responsible for regulating these parameters?

Accepted Answer

Urinary system

Question 11

Which of the following is an example of negative feedback in homeostasis?

Accepted Answer

The pancreas secretes insulin when blood sugar is high, causing cells to take up glucose and return blood sugar to normal.

Question 12

Which formula best represents the concept of homeostasis as the maintenance of a constant internal environment despite external changes?

Accepted Answer

$$\Delta E_{internal} \approx 0$$ where $$E_{internal} is $$the internal environment variable

Question 13

Which tissue type is characterized by cells that are widely separated by a noncellular matrix, often containing collagen fibers?

Accepted Answer

Connective tissue

Question 14

Which organ system is responsible for receiving food, digesting it, and allowing nutrient molecules to enter the blood?

Accepted Answer

Digestive system

Question 15

Which of the following best describes the function of intercalated discs in cardiac muscle?

Accepted Answer

They allow impulses to spread rapidly from cell to cell.

Question 16

A patient has a deficiency in platelets. Which physiological process would be most directly affected?

Accepted Answer

Blood clotting

Question 17

Which of the following is a correct sequence of biological organization from smallest to largest?

Accepted Answer

Cell → Tissue → Organ → Organ system → Organism

Question 18

Which tissue type is NOT subdivided into more types and is responsible for receiving stimuli and conducting nerve impulses?

Accepted Answer

Nervous tissue

Question 19

Which organ system includes the skin and accessory structures, serving as a barrier between the body and the outside world?

Accepted Answer

Integumentary system

Question 20

Which of the following best explains how the respiratory and urinary systems work together to maintain homeostasis?

Accepted Answer

The respiratory system exchanges gases with the blood, while the urinary system removes metabolic wastes from the blood.

Chapter 22: Organization of the Animal Body and Homeostasis – Essentials of Anatomy & Physiology

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