Which receptors trigger the Hering-Breuer inflation reflex, and why is this reflex important?
What will be an ideal response?
Answer: The Hering-Breuer inflation reflex is triggered by a set of mechanoreceptors, the slowly adaptive pulmonary stretch receptors. These detect the amount of tension in the walls of the airways, including the trachea and bronchi. This reflex is thought to protect the lungs from being damaged by overinflation by terminating inhalation.
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Semen contains all of the following except
A) sperm. B) seminal fluid. C) prostaglandins. D) spermatogonia. E) fibrinogen.
Which cells of the ovary convert androgens to estrogens, under the control of follicle stimulating hormone?
A. Theca folliculi cells B. Primary oocytes C. Simple squamous epithelial cells D. Secondary oocytes E. Granulosa cells
Two terms that both refer to internal organs are
A) sympathetic and parasympathetic. B) viscera and somatic. C) splanchnic and ganglionic. D) splanchnic and viscera. E) somatic and preganglionic.
The thermal neutral zone (TNZ) is
a. range of environmental temperatures when the animal does not need to expend large amounts of energy on thermoregulation. b. the body temperatures which an animal maintains while at its basal metabolic rate. c. the range in environmental temperatures where mechanisms involving insulation are sufficient. d. two of these. e. all of these.