Which of the following best defines negative nitrogen balance?
A) Protein breakdown exceeds protein synthesis.
B) It is a condition usually caused by having a diet low in fish and meat.
C) A negative nitrogen balance is normal and is a way of maintaining homeostasis.
D) It occurs when amino acids are broken down by liver enzymes and carried to the bloodstream.
A) Protein breakdown exceeds protein synthesis.
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Which subatomic particles have a positive charge? Which are uncharged?
A) protons; electrons B) electrons; protons C) protons; neutrons D) neutrons; electrons E) electrons; neutrons
Which organ system includes blood vessels and the heart?
Fill in the blank(s) with the appropriate word(s).
Which of the following is a common cause of respiratory acidosis?
a) Loss of bicarbonate ions due to renal dysfunction b) Loss of acid due to vomiting c) Hyperventilation due to pulmonary disease d) Hypoventilation due to emphysema e) All of these are correct
Puberty in a female is characterized by
A. adipose tissue deposition in the breasts and around the hips. B. increased muscle mass, especially in the hips. C. growth of facial hair. D. closure of the uterine tubes. E. growth of chest hair.