A falling blood pH and a rising concentration of CO2 due to emphysema, indicate ________.
A. metabolic acidosis
B. respiratory alkalosis
C. metabolic alkalosis
D. respiratory acidosis
E. None of the choices are correct.
Answer: D
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Which of the following is NOT primarily a function of blood plasma?
A. transport of hormones B. being in osmotic balance with red blood cells C. having plasma proteins that exert an osmotic pressure favoring fluid absorption into the capillaries D. providing clotting factors that are ready to be activated E. transport of oxygen
A college student had a depressed mood and trouble falling asleep. Which chemical neurotransmitter could cause such problems?
A. Acetylcholine B. Epinephrine C. Endorphins D. Serotonin
The follicular phase is characterized by rising concentrations of estrogen.
Answer the following statement true (T) or false (F)
Spinal nerves C5-T1 make up the ________ plexus.
A. sacral B. lumbar C. radial D. brachial E. cervical