Question 1

Which of the following best describes the difference between visceral and parietal serous membranes?

Accepted Answer

Visceral membranes cover the organs within the cavities, while parietal membranes line the walls of the body cavities.

Question 2

A patient presents with a stab wound to the left lower quadrant of the abdomen. Which organs are most likely at risk?

Accepted Answer

Descending colon and left ovary (in females)

Question 3

Which of the following best describes the plasma membrane according to the fluid mosaic model?

Accepted Answer

A dynamic bilayer of phospholipids with embedded proteins that can move laterally.

Question 4

Which equation correctly represents the process of bone mineralization?

Accepted Answer

$$Ca^{2+}$$ + $$PO_4$$^{3-} \rightarrow $$Ca_3$$($$PO_4)_2$

Question 5

Which of the following is NOT a function of epithelial tissue?

Accepted Answer

Contraction

Question 6

A cell is observed to have microvilli, intermediate filaments, and abundant mitochondria. Which function is this cell most likely specialized for?

Accepted Answer

Absorption and structural support

Question 7

Which phase of mitosis is characterized by the alignment of chromosomes along the equatorial plane?

Accepted Answer

Metaphase

Question 8

Which of the following best explains why cartilage heals more slowly than bone?

Accepted Answer

Cartilage is avascular, limiting nutrient delivery and repair.

Question 9

Which connective tissue type is most likely to be found in tendons and ligaments, and what is its primary function?

Accepted Answer

Dense regular; resisting tensile forces in one direction

Question 10

Which of the following best describes the role of osteoclasts in bone remodeling?

Accepted Answer

Osteoclasts resorb bone by secreting acids and enzymes.

Question 11

A patient with osteoporosis is at increased risk for fractures because:

Accepted Answer

Their bones have decreased mineral density.

Question 12

Which of the following is a correct sequence of events in fracture repair?

Accepted Answer

Hematoma formation $$\rightarrow$$ fibrocartilaginous callus $$\rightarrow$$ bony callus $$\rightarrow$$ bone remodeling

Question 13

Which of the following best describes the function of ground substance in connective tissue?

Accepted Answer

Serves as a medium for nutrient and waste exchange

Question 14

Which equation best represents the process of transcription in protein synthesis?

Accepted Answer

$$DNA \rightarrow mRNA$$

Question 15

Which of the following is a function of the periosteum in bone repair?

Accepted Answer

It provides a source of osteoprogenitor cells for bone regeneration.

Question 16

Which of the following best describes the difference between endocrine and exocrine glands?

Accepted Answer

Endocrine glands secrete hormones directly into the bloodstream; exocrine glands secrete products into ducts.

Question 17

Which of the following is a characteristic of hyaline cartilage?

Accepted Answer

Has a glassy matrix with fine collagen fibers

Question 18

Which of the following best explains the importance of fontanelles in the infant skull?

Accepted Answer

They allow for rapid bone growth and expansion of the brain.

Question 19

Which of the following is a correct description of the anatomical position?

Accepted Answer

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

Question 20

Which of the following best describes the function of the extracellular matrix in connective tissue?

Accepted Answer

It supports and anchors cells, allowing tissue to withstand mechanical stress.

Anatomy & Physiology: Foundational Concepts, Cells, Tissues, and Skeletal System Study Guide

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