An enzyme that joins two substrates using energy is a
A) transferase.
B) lipase.
C) ligase.
D) kinase.
E) hydrolase.
C) ligase.
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A clinician induces contraction of the gastrocnemius and soleus and notices that the foot does not plantar flex as expected. Which of the following would be a logical diagnosis?
A. Peroneal nerve injury B. Ruptured calcaneal tendon C. Anterior compartment syndrome D. Shinsplints E. Lateral plantar nerve injury
Gastrin, histamine, endorphins, serotonin, cholecystokinin, and somatostatin are hormones or paracrines that are released directly into the lamina propria. Which of the following cell types synthesize and secrete these products?
A) enteroendocrine cells B) parietal cells C) zymogenic cells D) mucous neck cells
Which of the following is not true of the urethra?
A. The type of epithelium found in the mucous coat changes between the base of the urinary bladder and the external urethral orifice. B. It contains two sphincters, one composed of smooth muscle, and the other composed of skeletal muscle. C. It contains urethral glands, which secrete protective mucus into the lumen of the urethra. D. It is about the same length in males and females. E. All of these are true of the urethra.
Which of the following factors will not increase the net filtration pressure to move fluid out of capillaries?
A) decreased plasma albumin B) increased blood hydrostatic pressure C) decreased blood colloidal pressure D) decreased net filtration rate E) decreased lymphatic flow