此问题已重新计分。

Skin covering the _________
blank
has sweat glands but no hair follicles or sebaceous glands.
forearm
buttocks
abdomen
fingertips
back

Question

此问题已重新计分。

Skin covering the _________
blank
 has sweat glands but no hair follicles or sebaceous glands.
forearm
buttocks
abdomen
fingertips
back

BlackTom AI · Accepted Answer

The question asks which skin region is described as having sweat glands but no hair follicles or sebaceous glands.

Option analysis:
- Forearm: The skin here generally contains hair follicles and sebaceous glands along with sweat glands. This region is not characterized by the absence of hair follicles or sebaceous glands, so this option is unlikely to be correct.
- Buttocks: Similar to the forearm, the skin on the buttocks includes hair follicles and sebaceous glands in typical anatomy. It does not fit the description of lacking both hair follicles and sebaceous glands.
- Abdomen: Much like other typical body skin regions, the abdomen has hair follicles and sebaceous glands; thus it does not match the stated condition.
- Fingertips: The distal skin of the fingertips (the finger pads) contains eccrine sweat glands but lacks hair follicles and sebaceous glands. This aligns exactly with the description provided in the question.
- Back: The back skin also contains hair follicles and sebaceous glands, so it does not fit the criteria of having sweat glands but no hair follicles or sebaceous glands.

From these analyses, the option that best fits the description is the fingertips, since it uniquely lacks hair follicles and sebaceous glands while possessing sweat glands. However, the original data shows an empty set of answer options, which means the explicit enumeration above is based on standard anatomical knowledge rather than the provided choices. Given the typical anatomical pattern, the expected correct answer would be fingertips, corresponding to option D in a standard list. Regardless of that, the key reasoning hinges on the absence of hair follicles and sebaceous glands paired with the presence of sweat glands in the fingertip skin.

此问题已重新计分。 Skin covering the _________ blank has sweat glands but no hair follicles or sebaceous glands. forearm buttocks abdomen fingertips back单项选择题

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