The finger-like projections of the mucosa lining the small intestine are called ________
A) rugae
B) mesentery
C) villi
D) papillae
C
Explanation:
A) Rugae are the large folds of the stomach mucosa.
B) Sheets of peritoneum, called mesentery, extend between the loops of intestines.
D) The papillae are raised areas on the surface of the tongue that assist in moving food in the mouth during mastication and swallowing. Taste buds are located between the papillae.
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DNA and RNA are examples of ____
a. proteins b. lipids c. nucleic acids d. carbohydrates
Systole refers to:
A) contraction of atria or ventricles B) relaxation of atria or venticles C) contraction of atria only D) relaxation of ventricles only
Label A represents which structure(s)?
A) bronchus
B) larynx
C) esophagus
D) trachea
E) pharynx
Axons of the corticobulbar tract terminate in the
A) sensory neurons. B) somatic motor neurons in the spinal cord. C) autonomic motor neurons in the spinal cord. D) motor nuclei of cranial nerves. E) nuclei in the thalamus.