Cole Trickle has bad acne. This affects the oil glands attached to his hair follicles, which are ______ glands and are examples of which type of gland?
ceruminous; holocrine
sebaceous; merocrine
sweat glands; apocrine
sebaceous; holocrine
mammary glands; apocrine
The Correct Answer is D
A. ceruminous; holocrine
Ceruminous glands are found in the ear canal and produce earwax (cerumen). They are modified apocrine glands, not related to acne.
B. sebaceous; merocrine
Sebaceous glands are correct, but they are holocrine, not merocrine. Merocrine glands release their product via exocytosis without cell destruction.
C. sweat glands; apocrine
Apocrine sweat glands produce a different type of secretion and are more associated with body odor in the axillary/genital areas. They’re not oil glands and not typically involved in acne.
D. sebaceous; holocrine
Sebaceous glands secrete oily sebum into hair follicles and are holocrine in nature, meaning the entire cell disintegrates to release the product-often leading to clogged pores and acne.
E. mammary glands; apocrine
Mammary glands are modified apocrine glands but are responsible for milk production, not involved in acne or oil secretion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. forms the parietal and frontal bones
These bones are formed by intramembranous ossification, not endochondral. Intramembranous ossification occurs directly from mesenchyme.
B. results when the mesenchyme condenses into a fibrous CT around brain
This describes intramembranous ossification, not endochondral. Endochondral ossification uses a cartilage model, not fibrous connective tissue.
C. occurs when bones develop from cartilage models
Endochondral ossification is the process by which long bones and most bones of the body are formed by replacing a hyaline cartilage model with bone.
D. occurs when multiple centers of ossification converge together
While multiple ossification centers do form during endochondral ossification (e.g., primary in diaphysis, secondary in epiphyses), this does not define the process-it’s development from a cartilage model that is essential.
Correct Answer is A
Explanation
A. squamous cell carcinoma
This cancer arises from the keratinocytes of the stratum spinosum, often due to UV damage, and can metastasize if not treated early.
B. melanoma
Melanoma arises from melanocytes, which are found in the stratum basale, not the stratum spinosum.
C. basal cell carcinoma
This cancer originates from basal cells of the stratum basale, the deepest layer of the epidermis.
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