Question 1 - Single Best Answer
Identify the layer at the tip of the arrow:
stratum spinosum stratum lucidum stratum basale stratum granulosum stratum corneum
Question 2 - Single Best Answer
Identify the tissue:
thyroid prostate gland mammary gland (proliferative) mammary gland (inactive) breast cancer
Question 3 - Single Best Answer
Identify the tissue at the tip of the arrow:
sebaceous gland cerumenous gland salivary gland sweat gland pancreas
Question 4 - Single Best Answer
Identify the cell at the tip of the arrow:
smooth muscle cell myoid cell endothelial cell fibroblast myoepithelial cell
Question 5 - Single Best Answer
melanocyte smooth muscle cell keratinocyte lymphocyte keratinized cell
Question 6 - Single Best Answer
stratum granulosum stratum corneum stratum spinosum stratum basale stratum lucidum
Question 7 - Single Best Answer
sweat gland mammary gland (inactive) thyroid sebaceous gland mammary gland (proliferative)
Question 8 - Single Best Answer
Identify the structure at the tip of the arrow:
canal of Schlemm Pacinian corpuscle dermal papillae Meissner's corpuscle sweat gland
Question 9 - Single Best Answer
keratinocyte lymphocyte melanocyte keratinized cell squamous cancer cell
Question 10 - Single Best Answer
stratum lucidum stratum granulosum stratum spinosum stratum corneum stratum basale
Question 11 - Single Best Answer
blood vessel sweat gland hair sweat duct Meissner's corpuscle
Question 12 - Single Best Answer
You are on the first day of your preceptorship when the attending asks for your help since you have a more recent background in basic science (don't think it doesn't happen). A patient just had a biopsy of her skin done in order to rule out skin cancer (aka melanoma). They want to know which stain is best for looking at collagen under the microscope. Choose among these:
hematoxalin and eosin Masson trichrome method Periodic Acid Schiff (aka PAS) Rexorcin-fuchsin
Question 13 - Single Best Answer
Melanomas are just one type of skin cancer. These cancers, however, are known to have the following characteristics on examination: 1)asymmetry, 2)irregular borders, 3)pigment ranging in color from brown to red to black, 4)diameter >6mm. These tumors are thought to originate from melanocytes. Here are some photos of melanoma (1, 2, & 3). Notice the range of colors (esp. brown and black) and irregular borders. Which of the following photomicrographs identifies a melanocyte in normal skin?
Question 14 - Single Best Answer
From where do melanocytes originate?
ectoderm mesoderm endoderm neural crest
Question 15 - Single Best Answer
A 32 year old male presents to you, his family physician, because he has noticed a discharge from his left breast. He is both embarrased and concerned. On physical exam, you detect a 3cm by 2cm nodule which is hard and fixed to the chest wall. You now add cancer to your differential diagnosis and decide to biopsy the mass. Which of the following photomicrographs confirms your fear?
Question 16 - Single Best Answer
breast cancer mammary gland (inactive) prostate gland mammary gland (proliferative) thyroid
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