Systems Lab Exam 1

What is arrow B pointing at?

objective lenses

What knob is arrow D pointing at?

focus

Which lens is controlled by the knob at the arrow?

auxillary

What is the function of the circled lenses?

magnification change

What is this lens called?

condenser

Choose all components that you can/should use to adjust the focus of the image (not the magnification).

A and D

What should you do if there is too much light on the slide for your eyes?

A. Adjust the light source

B. Change the objective lens

C. Close one eye

D. Move the condenser lens farther from the stage

E. Cry

A. Adjust the light source

What does this knob do?

stage control

What happens if the condenser lens is moved too far from the microscope stage?

A. Refraction increases; slide looks fuzzy

B. Slide goes out of focus

C. Too much light on the slide

A. Refraction increases; slide looks fuzzy

Which part of this cell is more eosinophilic?

A. A - apical part with lots of secretory vesicles

B. B - basal part with lots of ribosomes on RER

A. A - apical part with lots of secretory vesicles

Which cell has the most heterochromatin in its nucleus?

C

What type of staining is displayed in these images?

eosinophilic structures

What type of staining is displayed by the nuclei in these images?

basophilic

What is a cytoplasmic structure that usually stains eosinophilically?

mitochondria, ECM proteins, secretory granules, cytoskeleton

What is a cytoplasmic structure that usually stains basophilically?

RER, ribosomes

Identify the structure at the arrow

Nucleolus

Identify the structure at the arrow

nucleolus

What is the chromatin pattern of this nuclei?

euchromatic

What is the chromatin pattern of this nuclei? (red arrow)

euchromatic

What is the chromatin pattern of this nuclei?

heterochromatic

What is the chromatin pattern of this nuclei? (yellow arrow)

heterochromatic

What is this plane of section?

transverse/cross section

What is this plane of section?

transverse/cross section

What is this plane of section?

longitudinal section

What is this plane of section?

longitudinal section

What is this plane of section?

oblique section

What is this plane of section?

oblique section

What is this plane of section?

tangential section

Which labeled structure is best describe as being in cross section?

C

Which cell demonstrates prophase?

D

Identify the eosinophilic structures at the arrows.

Collagen in dense irregular tissue

Which of these cells is an eosinophil?

B

What is this plane of section?

tangential section

Identify this

secretory granules

Identify this

secretory vesicles

What stage of mitosis is this?

prophase

What stage of mitosis is this?

metaphase

What image depicts the anaphase stage of mitosis?

A

What image depicts the telophase stage of mitosis?

B

Classify this connective tissue

mesenchyme

Identify the mesenchymal cell at the arrow.

stellate

Classify this connective tissue

loose connective tissue

Classify this connective tissue

dense irregular connective tissue

Classify this connective tissue

dense irregular connective tissue

Classify this connective tissue

dense irregular connective tissue

Classify this connective tissue

dense regular connective tissue

Classify this connective tissue

dense regular connective tissue

Classify this connective tissue

adipose tissue

Classify this connective tissue.

adipose tissue

Which sample is elastic cartilage?

B

Identify the eosinophilic structure at the arrow.

collagen

Identify this

collagen fibers in loose connective tissue

Identify the structure at the arrows

elastic lamellae

Identify this blood vessel found in the wall of the aorta

elastic artery

What causes the blue staining of the extracellular matrix of this tissue?

GAGs

Identify this cell

fibroblasts

Identify this cell

fibroblasts

Identify this cell

adipocytes

Identify this cell

macrophage

Identify this cell

macrophage

What organelle causes the clear area next to the nucleus in this plasma cell?

Golgi

Identify this cell

eosinophil

Identify this cell

neutrophil

Identify the circled cells

neutrophils

Identify this cell

lymphocyte

Identify this cell

mast cell

Identify this cell

plasma cell

Identify the cell at the arrow.

Hypertrophied chondrocytes (in fetal long bone formation)

Addition of extracellular matrix at the level of the arrow is an example of what type of growth?

appositional

Identify the cells at the arrow.

Osteoblasts

Identify this epithelia shape

cuboidal

Classify the epithelium

Simple columnar non-keratinized

Identify this epithelia shape

columnar

Identify the indicated space in this bone unit.

lacunae

Identify the cells at the arrow.

Goblet cells

Identify this area (yellow arrow)

basement membrane

Specifically identify the layer indicated by the bracket.

Dermis papillary layer

Which bone tissue is developing directly from mesenchyme?

B

Identify this epithelial feature

goblet cell

What is the function of the brown granules in the cell at the arrow?

melanin - protection of nucleus from UV

Identify the makeup of this brush border

microvilli

Identify the skin structure circled in the right image

sebaceous gland

Identify the eosinophilic tissue at the arrow.

Bone matrix/bone ECM/osteoid

Identify this epithelial feature

cilia

What type of surface structure contains microtubules?

cilia

Identify this surface feature

stereocilia

What is the classification of the epithelium?

simple columnar with cilia

Which is the apical surface of this duct cell?

C

Where is the basement membrane?

A

Which skin gland shows evidence of apocrine secretion?

A

Identify the structure circled in the right image, seen in the skin.

Merocrine gland

Specifically name this outer layer of the heart (a serous membrane sitting on a layer of fat).

epicardium

Identify this layer of the periosteum in this developing bone.

periosteum

Identify the nucleus at the arrow

satellite

Identify the structures at the arrows, seen here in cross section.

axon

Classify the cell layers

simple

Classify this epithelium

stratified squamous non-keratinized

Classify this epithelium

simple cuboidal

Classify this epithelium

pseudostratified columnar with cilia and goblet cells

Classify this epithelium

stratified cuboidal