Question 1

A histology slide shows a tissue with a single layer of tall, rectangular cells, each with an oval nucleus located near the base. Goblet cells are interspersed among the epithelial cells. Which type of epithelium is most likely being observed?

Accepted Answer

Simple columnar epithelium

Question 2

A patient has a genetic defect that prevents the formation of collagen fibers. Which connective tissue would be most directly affected by this defect?

Accepted Answer

Dense regular connective tissue

Question 3

When using a compound light microscope, the total magnification is calculated by multiplying the magnification of the ocular lens by the magnification of the objective lens. If the ocular lens is $$10	imes$$ and the objective lens is $$40	imes$$, what is the total magnification?

Accepted Answer

$$400	imes$$

Question 4

Which of the following best describes the function of the stratum corneum in the epidermis?

Accepted Answer

It provides a waterproof barrier and protects underlying tissues.

Question 5

A histology image shows a tissue with chondrocytes located in lacunae and a glassy, homogeneous matrix. Which type of cartilage is this?

Accepted Answer

Hyaline cartilage

Question 6

A student is examining a slide of nervous tissue and identifies large, star-shaped cells with prominent nuclei. Which cell type is most likely being observed?

Accepted Answer

Neuron

Question 7

Which of the following structures is found in the dermis but not in the epidermis?

Accepted Answer

Dermal papillae

Question 8

A tissue sample from the trachea shows ciliated cells and goblet cells arranged in a way that appears to be stratified, but all cells touch the basement membrane. What is the correct classification of this epithelium?

Accepted Answer

Pseudostratified columnar epithelium

Question 9

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

Accepted Answer

They allow for rapid communication and synchronized contraction between cardiac muscle cells.

Question 10

A patient presents with a skin wound that is slow to heal. Upon examination, it is found that the tissue has a low density of blood vessels. Which layer is most likely involved?

Accepted Answer

Epidermis

Question 11

Which of the following is a characteristic feature of dense regular connective tissue?

Accepted Answer

Parallel bundles of collagen fibers

Question 12

A histology slide shows a tissue with multiple layers of cells, with the apical layer consisting of flat, scale-like cells. Which type of epithelium is this?

Accepted Answer

Stratified squamous epithelium

Question 13

Which of the following best explains why the epidermis is considered avascular?

Accepted Answer

It lacks blood vessels and receives nutrients by diffusion from the dermis.

Question 14

A tissue sample from the urinary bladder shows cells that appear cuboidal when relaxed and squamous when stretched. What is the name of this epithelium?

Accepted Answer

Transitional epithelium

Question 15

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

Accepted Answer

Support for blood vessels

Question 16

A blood smear is examined under a microscope. Which of the following cell types would NOT be visible in a typical blood smear?

Accepted Answer

Chondrocyte

Question 17

Which of the following best describes the function of the basement membrane in epithelial tissues?

Accepted Answer

It anchors the epithelium to underlying connective tissue and regulates exchange of materials.

Question 18

A slide of compact bone shows small dark spaces arranged in concentric circles around a central canal. What are these spaces called?

Accepted Answer

Lacunae

Question 19

Which of the following best explains why smooth muscle tissue does not appear striated under the microscope?

Accepted Answer

Its actin and myosin filaments are not arranged in regular, repeating patterns.

Question 20

A patient has a disorder affecting the axillary lymph nodes. Which system is primarily involved?

Accepted Answer

Lymphatic system

Anatomy & Physiology Lab Study Guide: Microscopy, Histology, and Organ Systems

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