Reading Guided The Study of Body Function I
1. Blood plasma and interstitial fluid are separated from each other and there is little communication and
exchange between these fluids.
True False
2. The secretion of many hormones is regulated through negative feedback inhibition.
True False
3. _______________ glands secrete chemicals through a duct that leads to the outside of a membrane.
A. Endocrine
B. Exocrine
4. Endocrine glands secrete ____________ in response to specific stimuli.
A. enzymes
B. hormones
C. water
D. mucus
5. Neuroglial cells are supporting cells present in the
A. brain.
B. spinal cord.
C. effector organs.
D. Both the brain and spinal cord.
6. ____________ and ____________ are often regulators of effectors in most feedback loops.
A. Enzymes, neurotransmitters
B. Hormones, neurotransmitters
C. Nerves, enzymes
D. Hormones, nerves
E. Enzymes, hormones
7. ____________ trials maximize the number of test participants and include human participants of both sexes,
different ethnic groups, and those who have health problems besides the one that the drug is designed to treat.
A. Phase I clinical
B. Phase II clinical
C. Phase III clinical
D. Phase IV clinical
8. The ____________ is the protein and polysaccharide layer attaching an epithelial tissue to the underlying
connective tissue.
A. goblet cell
B. epidermis
C. basement membrane
D. plasma membrane
9. Tissues are groups of cells that have similar functions.
True False
10. The study of how disease or injury alters physiological processes is termed
A. comparative physiology.
B. the scientific method.
C. pathophysiology.
D. anatomy.
11. The highly branched extensions of a neuron whose function is to receive input from other neurons or
receptor cells are called
A. dendrites.
B. axons.
C. cell bodies.
D. glia.
12. Specialized unicellular glands found in columnar and pseudostratified columnar epithelium that secrete
mucus are
A. cilia.
B. keratin.
C. transitional cells.
D. goblet cells.
13. By affecting diameter the of cutaneous blood vessels, motor nerve fibers in the skin can regulate the rate of
blood flow.
True False
14. A single layer of irregularly shaped epithelial cells found lining the respiratory tract is called
A. simple columnar epithelium.
B. stratified cuboidal epithelium.
C. pseudostratified ciliated columnar epithelium.
D. transitional epithelium.
15. Which of the following is NOT one of the three main parts of a neuron?
A. dendrites
B. cell body
C. neurofibrils
D. axon
16. Which of the following is NOT part of a phase I clinical trial?
A. testing on the target human population
B. testing how the drug is metabolized
C. testing how rapidly the drug is removed from the body
D. testing the most effective administration of the drug
17. Clusters of cells in exocrine glands are termed
A. goblet cells.
B. acini (acinar) cells.
C. islet cells.
D. reticular cells.
18. Insulin is secreted from structures called
A. pancreatic islets.
B. sebaceous glands.
C. apocrine glands.
D. intercalated discs.
19. Since the intracellular and extracellular compartments consist primarily of water, they are said to be
A. hydrophobic.
B. colloids.
C. aqueous.
D. blood.
20. Which of the following is NOT a function of neuroglia?
A. bind neurons together
B. help nourish neurons
C. conduct impulses to effectors
D. modify the extracellular environment of neurons
21. Sebaceous glands are responsible for the lubrication of the skin.
True False
22. The control of hormone secretion by its own effects is called
A. positive feedback.
B. negative feedback.
C. negative feedback inhibition.
D. antagonist effector.
23. Nervous tissue is specialized to produce and conduct electrical impulses.
True False
24. ____________ mg/100 ml is the approximate normal range of blood glucose concentration after fasting.
A. 0 to 80
B. 50 to 150
C. 75 to 110
D. 90 to 120
25. Thermoregulation directly involves
A. apocrine sweat glands.
B. endocrine glands.
C. eccrine sweat glands.
D. sebaceous glands.