Loss of feeling in the thumb and first two fingers is most likely due to a damaged ________ nerve

A) radial
B) musculocutaneous
C) ulnar
D) median
E) axillary


A

Anatomy & Physiology

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Hormones from the adrenal cortex that regulate electrolyte balance are

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The output side of the nervous system

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The juxtaglomerular apparatus ________

A) contains granular cells in the afferent arteriole that sense blood pressure B) contains a region of chemoreceptor cells called the macula densa in the distal nephron loop C) is found where the most distal part of the ascending limb of the nephron loop touches the afferent arteriole, contains granular cells in the afferent arteriole that sense blood pressure, and contains a region of chemoreceptor cells called the macula densa in the distal nephron loop D) is found where the most distal part of the ascending limb of the nephron loop touches the afferent arteriole

Anatomy & Physiology

A healthy individual, weighing 60 kg, is infused with 1 L of isotonic saline to which 20 mEq of K+ has been added. Following the infusion, the plasma [K+] of this individual has increased from 3.5 mEq/L to 7.8 mEq/L

What is the most likely explanation for the development of hyperkalemia in this individual? A. shift of K+ from the ICF into the ECF B. impaired renal excretion of K+ C. the increase in plasma [K+] of 4.3 mEq/L is what is expected from the addition of 20 mEq/L of K+ to the ECF D. contraction of the ECF volume E. development of hyperosmolality

Anatomy & Physiology