1. Clicker Quiz 1
Anatomy

2. ___________ is the study of the body's structure.
Histology
Anatomy
Embryology
Physiology
Answer: b. Anatomy
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3. Which of the following is a logical organization?
Atoms, cells, molecules, tissues
Molecules, atoms, cells, tissues
Atoms, tissues, molecules, cells
Atoms, molecules, cells, tissues
Answer: d. Atoms, molecules, cells, tissues
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4. What is the definition of homeostasis?
The ability to maintain relatively stable external conditions even though the inside world changes continuously
When the output shuts off the original effect of the stimulus
The response enhances the original stimulus so that the response is accelerated
The ability to maintain relatively stable internal conditions even though the outside world changes continuously
Answer: d. The ability to maintain relatively stable internal conditions even though the outside world changes continuously
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5. Which of the following is an example of a negative feedback mechanism?
During labor, as uterine contractions begin, levels of the hormone oxytocin continuously rise to further stimulate more contractions.
The thyroid gland releases thyroid hormone under the influence of the hormone TSH. TSH release decreases when thyroid hormone levels reach their set point.
An individual who is incapable of synthesizing thyroid hormone will often develop an enlarged thyroid gland due to continuous TSH stimulation.
Answer: b. The thyroid gland releases thyroid hormone under the influence of the hormone TSH. TSH release decreases when thyroid hormone levels reach their set point.
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6. If someone has broken a leg, he or she has damaged the ________ division of the body.
Dorsal
Appendicular
Superficial
Axial
Answer: b. appendicular
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7. The term ___________ refers to internal organs, while the term _________ refers to body cavity walls.
serosa; pleural
visceral; ventral
serosa; parietal
visceral; parietal
Answer: d. visceral; parietal
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8. Which single abdominopelvic region/quadrant is the bladder located in?
Epigastric region
Hypogastric region
Right and left iliac regions
Right and left lower quadrants
Answer: b. Hypogastric region
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9. The four elements that comprise 96% of living matter are __________.
carbon, sodium, nitrogen, oxygen
carbon, hydrogen, sodium, oxygen
carbon, hydrogen, nitrogen, sodium
carbon, hydrogen, nitrogen, oxygen
Answer: d. carbon, hydrogen, nitrogen, oxygen
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10. Vesicles Lysosomes Peroxisomes Inclusions
Which organelle contains enzymes that detoxifies the cell from harmful hydrogen peroxide ?
Vesicles
Lysosomes
Peroxisomes
Inclusions
Answer: c. Peroxisomes
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11. You would expect that cells that expend a great deal of energy, such as skeletal muscle cells, would have increased quantities of ___________.
Ribosomes
Smooth endoplasmic reticulum
Peroxisomes
Mitochondria
Answer: d. mitochondria
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12. Intensely biosynthetic secretory cells such as neurons would be expected to have greater amounts of _________ than other cells.
Centrioles
Lysosomes
Rough endoplasmic reticulum
Peroxisomes
Answer: c. rough endoplasmic reticulum
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13. Which of the following relationships between a tissue and its general function is not correct?
Epithelial : covering
Connective : digestion
Muscle : movement
Nervous : control
Answer: b. Connective : digestion
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14. The basal lamina arises from which type of tissue?
Epithelial tissue
Connective tissue
Nervous tissue
Muscle tissue
Answer: a. Epithelial tissue
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15. With which portion of an epithelial cell in the stomach would food be in contact?
Basal surface
Apical surface
Basal lamina
Reticular lamina
Answer: b. Apical surface
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16. Which characteristic of epithelial tissues would you expect to find in a duct that is subject to a high degree of pressure (such as the male urethra)?
Cuboidal shape
Simple layering
Pseudostratified layering
Stratified layering
Answer: d. Stratified layering
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17. Which of the following specialized terms reflects the epithelial tissue found lining the inside of blood and lymph vessels?
Epithelium
Endothelium
Mesothelium
Squathelium
Answer: b. Endothelium
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18. The presence of which type of epithelial tissue is a dead giveaway for glands?
Simple squamous
Stratified squamous
Transitional epithelium
Simple cuboidal
Answer: d. Simple cuboidal
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19. The mucus-secreting cells prevalent in simple columnar epithelium are known as __________.
goblet cells
cup cells
chalice cells
mucocells
Answer: a. goblet cells
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20. The principal role of melanin is to __________.
give one that "healthy tan look”
keep the body cool
provide a waterproof layer
shield the nucleus from damage by ultraviolet radiation
Answer: d. shield the nucleus from damage by ultraviolet radiation
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21. A patient taking a drug that inhibits cell division (such as certain chemotherapy drugs) would expect which layer of the epidermis to be affected first?
Stratum corneum
Stratum lucidum
Stratum spinosum
Stratum basale
Answer: d. Stratum basale
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22. Fingerprints are copies of __________.
dermal papillae
epidermal papillae
dermal ridges
epidermal ridges
Answer: d. epidermal ridges
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23. The principal tissue found in the dermal layer is ___________.
dense irregular connective tissue
stratified squamous epithelum
dense regular connective tissue
areolar connective tissue
Answer: a. dense irregular connective tissue
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24. Which three pigments contribute to skin color?
Carotene, melanin, hemoglobin
Keratin, melanin, hemoglobin
Melanin, keratin, hemoglobin
Hemoglobin, carotene, keratin
Answer: a. Carotene, melanin, hemoglobin
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25. The most important role of the eccrine sweat gland is _________.
milk production
stress-induced sweating
body temperature regulation
earwax production
Answer: c. body temperature regulation
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26. What is one major function of arrector pili muscle contraction that is particularly important in nonhuman mammals?
The arrector pili muscle contracts to allow for hair growth.
The arrector pili muscle contracts to shed dead hairs.
The arrector pili muscle contracts to alarm an approaching predator.
All of the above are true.
Answer: c. The arrector pili muscle contracts to alarm an approaching predator.
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27. A female patient with excessive facial hair growth may have which of the following ailments?
Excessive estrogen secretion from the ovaries
Inadequate secretion of insulin from the pancreas
Inadequate secretion of thyroid hormone from the thyroid gland
Excessive secretion of androgens from an adrenal tumor
Answer: d. Excessive secretion of androgens from an adrenal tumor
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28. The skin plays a role in the manufacture of vitamin ______.B C D
Answer: d. D
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