The olfactory foramina are found in which of the following bones?
A) ethmoid
B) sphenoid
C) temporal
D) nasal
E) zygomatic
A
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An illness causes Doug to experience severe diarrhea and an accompanying loss of bicarbonate-rich secretions. How can this metabolic acidosis be compensated?
A) increased respiratory rate and depth B) increased renin secretion C) hypoventilation D) enhanced sodium ion loss in urine
Nucleic acids are polymers of units called
A) amino acids. B) fatty acids. C) ribose. D) nucleotides. E) bases.
What is a main difference between the modes of action of peptide hormones and steroid hormones?
A. Peptide hormones bind to intracellular receptors, whereas steroid hormones bind to receptors on the cell surface. B. Peptide hormones act as second messengers, whereas steroid hormones bind to receptors in the cytosol. C. Peptide hormones bind to receptors on the cell surface, whereas steroid hormones act as second messengers. D. Peptide hormones bind to receptors on the cell surface, whereas steroid hormones bind to intracellular receptors. E. There are no differences; both act by binding to intracellular receptors.
Which of the following combining forms means diaphragm?
A. pneum/o B. pulmon/o C. phren/o D. pharyng/o