When a nurse draws blood, it is not uncommon for the needle to penetrate which muscle near the cubital region?
A) Supinator
B) Pronator quadratus
C) Semimembranosus
D) Buccinator
E) Pronator teres
E
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Addison disease
A) all of the above. B) decreases blood sodium levels. C) lowers blood pressure. D) increases blood potassium levels.
Answer the following questions true (T) or false (F)
1. Serous fluid lubricates around organs and reduces friction as the organ moves against adjacent structures. 2. Negative feedback loops produce responses in the opposite direction of the initial stimulus while positive feedback loops produce responses in the same direction of the initial stimulus. 3. According to the principle of complementarity of structure and function, structure and function are related only at the cellular level.
In simple autosomal inheritance, phenotypic characters are determined, or controlled, by
A) a single pair of alleles. B) multiple alleles. C) the action of a single gene. D) regulator genes on a different chromosome. E) the genes on the Y chromosome.
Which of the following is true?
A. The resting plasma membrane is more permeable to Na+ than K+. B. The resting membrane potential never reaches an equilibrium point. C. The resting membrane potential is proportional to the tendency for K+ to diffuse out of the cell. D. Negatively charged Cl- ions are attracted by negative charges in the cell. E. The purpose of the sodium-potassium exchange pump is to create an equilibrium of ion concentrations.