People who live in northern latitudes may require supplemental calcium with vitamin D. Explain why
What will be an ideal response
Vitamin D is manufactured by the skin using sunlight and is needed for absorption of dietary calcium. People who live in the north where the winter months are severe may need supplemental vitamin D because of the decreased amount of sunlight exposure.
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The cerebrum consists only of gray matter.
Answer the following statement true (T) or false (F)
Which measure of memory retention assesses the ability to draw information out of storage and into conscious awareness?
a. recall b. retrieval c. interferance d. amnesia e. none of the above
________ structure results primarily from hydrophobic and hydrophilic interactions between the R-groups of the polypeptide chain and water
A) Primary B) Secondary C) Tertiary D) Quaternary E) Pentanary
Which of the following organs secrete hormones?
(1) pancreas (2) liver (3) brain (4) suprarenal cortex (5) suprarenal medulla (6) thymus (7) ovary (8) testis (9) thyroid gland (10) pineal gland A) 2, 4, 6, 8, 10 B) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 C) 1, 4, 5, 6, 7, 8, 9, 10 D) 6, 7, 8, 9, 10 E) 1, 3, 5, 7, 9