________ maintain(s) the healthy balance of Na+ and K+ in body fluid.
A. Cortisol
B. Thyroid hormones
C. Epinephrine
D. Aldosterone
Answer: D
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Sympathomimetic drugs might be used to
A) decrease heart rate. B) decrease blood pressure. C) dilate airways. D) increase gastric motility. E) reduce blood sugar levels.
List the four basic processes of the digestive system, and describe each.
What will be an ideal response?
Which of the following is NOT a type of molecular interaction that determines the tertiary structure of a protein?
A. covalent bonds between purines and pyrimidine bases B. ionic bonds C. Van der Waals forces D. covalent bonds between two cysteine amino acids E. hydrogen bonds
What is the least common but most dangerous form of lung cancer?
A) Mesothelioma B) Small-cell carcinoma C) Squamous cell carcinoma D) Adenocarcinoma