General Histology Module Test

QUESTION 01

Which organelle is especially abundant in a protein-secreting cell?

A. Rough endoplasmic reticulum B. Smooth ER only C. Peroxisome only D. Centrosome

QUESTION 02

Which organelle primarily modifies and sorts many newly synthesized proteins?

A. Golgi apparatus B. Nucleolus C. Centrosome D. Peroxisome

QUESTION 03

Euchromatin is generally associated with:

A. More active transcription B. Permanent DNA loss C. No nuclear activity D. Only mitosis

QUESTION 04

Mitochondria are especially numerous in cells with:

A. High ATP demand B. No metabolism C. Only extracellular matrix D. No cytoplasm

QUESTION 05

Which epithelial type is best suited for rapid diffusion?

A. Simple squamous B. Stratified squamous C. Transitional D. Keratinized stratified

QUESTION 06

Pseudostratified epithelium is called 'pseudo' because:

A. All cells contact the basement membrane B. It has no nuclei C. It is actually connective tissue D. It is avascular only in disease

QUESTION 07

Microvilli primarily function to:

A. Increase surface area for absorption B. Move mucus by beating C. Produce collagen D. Form myelin

QUESTION 08

Motile cilia primarily help:

A. Move material along an epithelial surface B. Increase bone strength C. Store fat D. Produce antibodies

QUESTION 09

Epithelium is usually:

A. Avascular B. Highly vascular within the epithelial sheet C. Made only of collagen D. Without polarity

QUESTION 10

The basement membrane lies mainly between:

A. Epithelium and underlying connective tissue B. Two bones C. Two neurons D. Blood and plasma

QUESTION 11

Fibroblasts are major producers of:

A. Extracellular matrix B. Myelin C. Hemoglobin D. Bile

QUESTION 12

Dense regular connective tissue is found characteristically in:

A. Tendons B. Alveolar lining C. Brain cortex D. Epidermis

QUESTION 13

Collagen fibers are especially important for:

A. Tensile strength B. Electrical conduction C. Hormone secretion D. Gas exchange

QUESTION 14

Elastic fibers primarily allow tissues to:

A. Stretch and recoil B. Calcify C. Conduct action potentials D. Phagocytose bacteria

QUESTION 15

Skeletal muscle fibers are typically:

A. Long, striated and multinucleated B. Branched with central nuclei only C. Spindle-shaped and nonstriated D. Avascular epithelial cells

QUESTION 16

Cardiac muscle is characterized by:

A. Intercalated discs B. No striations C. Multiple peripheral nuclei in every cell D. Absence of cell junctions

QUESTION 17

Smooth muscle cells are typically:

A. Spindle-shaped with central nuclei B. Long multinucleated fibers C. Branched with intercalated discs D. Keratinized cells

QUESTION 18

Oligodendrocytes form myelin in the:

A. Central nervous system B. Peripheral nervous system C. Epidermis D. Tendon

QUESTION 19

Schwann cells are associated with:

A. Peripheral nerves B. CNS ventricular lining only C. Bone matrix D. Hepatic sinusoids

QUESTION 20

Astrocytes are glial cells of the:

A. Central nervous system B. Peripheral ganglia only C. Skeletal muscle D. Cartilage

QUESTION 21

Microglia are best described as:

A. Immune-surveillance cells of the CNS B. Myelinating cells of the PNS C. Bone-forming cells D. Smooth muscle cells

QUESTION 22

A tube cut transversely often appears:

A. Circular or oval B. Always longitudinal C. Always triangular D. Invisible

QUESTION 23

The first step in slide identification should usually be:

A. Assess overall architecture at low magnification B. Guess from one nucleus C. Ignore tissue layers D. Use color alone

QUESTION 24

Histologic artifact may result from:

A. Folding or shrinkage during preparation B. Normal cell function only C. Blood flow only D. Innervation

QUESTION 25

The most reliable histologic identification uses:

A. Multiple structural features and context B. One isolated color C. One cell only D. The label without inspection

General Histology Test