Avery has high blood pressure and hypernatremia (excess blood sodium ion concentration). The hypersecretion of which hormone could lead to his condition?
A.)glucagon
B.)aldosterone
C.)calcitonin
D.)insulin
B.)aldosterone
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Sodium (NA) has an atomic number of 11. How many electrons are in the outer electron shell of a neutral sodium atom?
A) 1 B) 2 C) 3 D) 4 E) 8
Tomato juice has a pH of 4; therefore, it is considered a(n) ____________________
Fill in the blank(s) with correct word
Each of the following statements concerning the development of the skull is true, except that
A) the bones of the skull develop from a single ossification focus. B) at birth the cranial bones are connected by areas of fibrous connective tissue. C) the growth of the cranium is usually coordinated with the growth of the brain. D) the skulls of infants and adults differ in shape and structure of the skeletal elements. E) the most significant growth of the skull occurs before the age of 5.
In a heterozygous individual for a certain trait, the dominant allele gives Huntington's disease. What is the masked, recessive trait in this individual?
a) Normal vision b) Normal digits c) Normal nervous system d) Polydactyly e) Straight thumb