Answer the following statements true (T) or false (F)
1. Fingerprints come from the layer of the epidermis called the dermal papilla.
2. The subcutaneous layer contains fat that can be used by the body for energy.
3. Both the dermis and epidermis contain layers of tightly packed cells.
4. As we age, the amount of collagen in skin decreases and the amount of elastic fibers increases.
5. The soft, fine hair of a newborn is called lanugo.
1. FALSE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
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Which of the following statements is false regarding the female reproductive tract?
A) Acidity in the vagina kills most sperm. B) The uterus contains large amounts of fructose nutrients. C) The size of breasts is primarily determined by adipose tissue. D) Cervical cancer may be caused by a virus. E) The inner wall layer of the vagina consists of stratified squamous epithelium, like the skin.
The most important factor determining the percentage of hemoglobin saturation is the:
a. systemic blood pressure b. diastolic blood pressure c. pH of the blood d. PCO2 of the blood e. PO2 of the blood
What functional type of neuron is found in the dorsal root ganglion?
A) both sensory and motor B) sensory C) motor D) There are only interneurons in the dorsa root ganglion.
Which cranial nerve in the diagram is primarily involved in the sense of vision?
a) A b) B c) C d) D e) E