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1-3
Integumentary System
| Question | Answer |
|---|---|
| The integumentary system has all of the following functions EXCEPT | synthesizing vitamin E |
| The subcutaneous layer is ___ the dermis and epidermis | inferior to |
| Blood vessels are lacking in the | epidermis |
| Skin color and protection from UV radiation is provided by | melanocytes |
| Cutaneous carcinomas arise from | epithelial cells |
| Eumelanin is the pigment responsible for | dark hair |
| Keratin is the protein that makes | calluses and finger nails |
| Arrector pili are muscles associated with | follicles |
| Keeping skin soft and pliable is the job of | sebaceous glands |
| Acne is a physiological problem associated with | sebaceous glands |
| Urea and uric acid are two of the ingredients that make up | sweat |
| Finger and toe nails arise from ___ tissue | epithelial |
| Blood vessels, sweat and sebaceous glands, and hair follicles are contained within the | dermis |
| How many chromosomes do human sex cells contain? | 23 |
| Sperm temperature should optimally be kept at | 34 deg. C |
| Sperm temperature can be regulated by the actions of the | gubernaculum |
| Interstitial cells are responsible for manufacturing | male sex hormones |
| Sperm are stored for maturity in the | epididymis |
| The first semen-producing gland(s) that sperm encounter upon ejaculation is the | seminal vesicles |
| Cowper's gland is the alternate name for the | bulbourethral gland |
| Aiding sperm motility and helping neutralize the acid vaginal environment is the job of the | prostate gland |
| Sperm cells are able to fertilize the egg cell for up to | 48 hours |
| 3 mL of semen would contain about ____ sperm | 360 million |
| Optimal pH for normal semen would be about | 7.5 |
| Nitric acid's role in the male reproductive system is | stimulating erection |
| All of the following control male reproductive function EXCEPT the | adrenal gland |
| Male reproductive system parts in order | seminiferous tubules, epididymis, ductus deferens, seminal vesicles, prostate gland, bulbourethral gland, urethra |
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