Which of the following components is not one of the formed elements in blood?
a) Erythrocytes
b) Plasma
c) Platelets
d) Leukocytes
Answer: b) Plasma
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Distension of the gastric wall leads to secretion of histamines from the lamina propria. This is an example of ________ response
A) neural B) local C) muscular D) hormonal E) antagonistic
Compare the structure and function of endocrine and exocrine glands.
What will be an ideal response?
Water loss through the epidermis could cause a serious threat to health and well-being. Which of the following protects us against excessive water loss through the skin?
A) Glycolipids that are secreted by keratinocytes into extracellular spaces. B) The dermis is the thickest portion of the skin and water cannot pass through it. C) Fat associated with skin prevents water loss. D) The size and shape of the cells that make up the stratum spinosum, as well as the thick bundles of intermediate filaments.
The Hering-Breuer inflation reflex is important in regulating the forced ventilations that accompany strenuous exercise. This reflex is initiated by __________.
a. olfactory receptor stimulation along the airway b. stretch receptor stimulation located in the smooth muscle of bronchioles c. chemoreceptor stimulation in the aorta and carotid arteries d. baroreceptor stimulation in the aorta and carotid arteries