The jugular notch is a structural feature of the
A) clavicle.
B) rib.
C) sternum.
D) cervical vertebra.
E) thoracic vertebra.
C) sternum.
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Most recipients of cholecystectomies have difficulty digesting fatty foods after the procedure. This is due to the lack of emulsification of lipids during the process of digestion, which makes it harder for lipase to access and break down fats. This means that ________ are not being efficiently released into the small intestine during digestion.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is most correct regarding the intracellular chemical signals known as "second messengers"?
A) Second messengers act through receptors called K-proteins. B) Second messengers usually inactivate protein kinase enzymes. C) Cyclic AMP and calcium may be second messengers. D) Second messengers usually act to remove nitric oxide (NO) from the cell.
Which of the following is NOT true of sensory adaptation?
A. It occurs when a person adjusts to a strong smell in the environment. B. Thermoreceptors commonly undergo sensory adaptation. C. It involves a fading of sensation upon continuous receptor stimulation. D. It commonly occurs in pain receptors. E. All of these are true of sensory adaptation.
What structure in the kidneys indirectly monitors blood pressure and triggers a hormonal response that helps regulate water and electrolyte reabsorption?
A. Afferent arteriole B. Peritubular capillaries C. Juxtaglomerular apparatus D. Glomerular capsule