Hydrochloric acid is secreted into the stomach by ____ cells
a. chief
b. zymogenic
c. parietal
d. beta
c
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When a neuromodulator slows the reuptake of a neurotransmitter or causes expression of an increased number of receptors on postsynaptic neurons, the effect is called
A. facilitation. B. temporal summation. C. spatial summation. D. presynaptic potentiation. E. recruitment.
The beta cells in the pancreatic islets produce insulin
Indicate whether the statement is true or false
Which statement BEST distinguishes metabolic acidosis from respiratory acidosis?
A) Metabolic acidosis is a disturbance in blood pH caused by exercise as opposed to hyper- or hypoventilation. B) Metabolic acidosis is a disturbance in blood pH caused by something other than an abnormal PCO2. C) Metabolic acidosis occurs due to changes in blood glucose as opposed to changes in PO2 and PCO2. D) Metabolic acidosis occurs due to changes in PO2 as opposed to PCO2. E) Metabolic acidosis occurs due to changes in bicarbonate as opposed to PCO2.
A 22-year-old female is given the results of her blood test and she notices that her calcium levels are high. Which of the following hormones is most likely to be elevated?
A) calcitonin B) thyroid-stimulating hormone C) parathyroid hormone D) prolactin