A researcher discovered a sensory receptor that detects decreasing oxygen concentrations in the blood
According to the principles of negative feedback, it is likely that stimulation of this sensory receptor will produce which of the following types of responses?
A. a decrease in heart rate
B. an increase in the respiratory rate
C. an increase in physical activity
D. unconsciousness
E. both a decrease in heart rate and an increase in the respiratory rate
B
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What is adiponectin?
A. A hormone secreted by the stomach lining that enhances appetite B. A hormone made in the hypothalamus that decreases appetite after a fatty meal C. A hormone made in fat tissue and secreted into the circulation, where it affects the response to insulin D. A nutrient that causes weight gain
What are tendinous intersections?
A. Round tendonlike structures attaching muscle to bone B. Fibrous, perpendicular insertions between successive sheets or blocks of muscle C. Flat sheets of connective tissue used for muscle insertion D. Thin layers of muscle used to attach two other muscles together E. Narrow, vertical, fibrous strips used to attach muscle sheaths of the left and right rectus abdominis
The ejaculatory duct forms from the merging of the ________ and the ________.
A. ductus deferens; seminal vesicle B. bulbourethral gland; urethra C. prostate gland; urethra D. epididymis; ductus deferens E. ductus deferens; bulbourethral gland
The main difference between symptoms and signs is that signs are _____________by the health care professional.
Fill in the blank(s) with the appropriate word(s).