All of the following are true of epidermal ridges except that they
A) extend into the hypodermis.
B) increase surface area and friction on fingertips.
C) cause ridge patterns on the surface of the skin.
D) produce patterns that are determined partially genetically.
E) interconnect with the dermal papillae.
A
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Which region of the uterine tube captures the ovum?
A) ampulla B) anterior segment C) infundibulum D) posterior segment E) isthmus
The inner cell mass of the blastocyst is destined to become the ________:
a. embryo b. trophoblast c. chorionic villi d. placenta
In general, the effects of natriuretic peptides are ________ to those of the renin-angiotensin system
A) synergistic B) antagonistic C) permissive D) additive E) integrative
Which of the following is false?
A. Melatonin makes us feel alert and awake. B. The pineal gland is found within the diencephalon of the brain. C. The pineal gland secretes melatonin in a cyclical fashion. D. The pineal gland forms part of the epithalamus.