In the embryo, parallel ridges named digital rays are visible. Which structures will they become?
A. Fingers and toes
B. Leg and forearm
C. Ribs and vertebrae
D. Tarsals and metatarsals
E. The ulna and radius
A. Fingers and toes
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Which term below best describes an excitable when a resting membrane potential is present?
a. polarized. b. depolarized. c. hyperpolarized. d. repolarized. e. nonpolarized.
If nothing else is removed from the filtrate once it reaches the late distal tubules, the urine excreted would have which of the following properties?
A) low osmolarity and large volume B) low osmolarity and low volume C) high osmolarity and large volume D) devoid of ions and large volume E) high osmolarity and low volume
Differentiate terminal bronchioles from respiratory bronchioles
What will be an ideal response?
Which of the following statements is true?
A. The hair follicle has a hypodermal root sheath. B. Both the hair root and hair shaft contain living cells. C. The matrix forms the hair surface. D. The hair follicle is not associated with sebaceous glands. E. Undamaged hair follicles can help regenerate damaged epithelium.