Answer the following statements true (T) or false (F)
1 Secretory products are released from gland cells by exocytosis in merocrine secretion.
2 Aprocrine secretion occurs when gland cells lose part of their cytoplasm along with the secretory product.
3 Endocrine secretions are discharged, often through a duct, onto the surface of the skin or the epithelial lining of an internal passageway that communicates with the exterior.
4 Holocrine secretion occurs when gland cells become packed with secretory products and then burst apart, releasing the secretion and destroying the cells.
5 Exocrine secretory products (hormones are released into the surrounding tissues.
1 TRUE
2 TRUE
3 FALSE
4 TRUE
5 FALSE
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Answer the following statements true (T) or false (F)
1. Events recorded in a lie detector examination are controlled by the sympathetic division. 2. All splanchnic nerves are sympathetic. 3. Splanchnic nerves pass through the abdominal aortic plexus. 4. The structures that specifically exhibit vasomotor tone are mostly under sympathetic control. 5. Because many of the same cardiac cells are innervated by both parasympathetic and sympathetic fibers, the influence of the two divisions on the heart is synergistic.
Pam's daughter is born cross-eyed. As she grows, the problem does not improve. Her physician suggests cutting an eye muscle to bring the eyes into a more normal position. Which muscle will the doctor cut?
A) inferior rectus B) lateral rectus C) medial rectus D) superior rectus E) superior oblique
Which of the following processes occurs during the contraction of skeletal muscle?
A. Calcium ions dissociate from troponin. B. Z discs move closer together. C. Myofibrils slide over each other. D. The myofilaments become shorter. E. Calcium ions are taken up by the terminal cisterns.
If the volume of an enclosed space increases, how does the pressure of the gas in the space change?
A) The pressure of the gas will decrease. B) The pressure of the gas will remain constant. C) The pressure of the gas will increase. D) Boyle's law can't be used to explain the behavior of the gas.