Clicker Quiz 1 Anatomy

___________ is the study of the body's structure. Histology Anatomy Embryology Physiology Answer: b. Anatomy © 2013 Pearson Education, Inc. 2

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 © 2013 Pearson Education, Inc. 3

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 © 2013 Pearson Education, Inc. 4

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. © 2013 Pearson Education, Inc. 5

If someone has broken a leg, he or she has damaged the ________ division of the body. Dorsal Appendicular Superficial Axial Answer: b. appendicular © 2013 Pearson Education, Inc. 6

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 © 2013 Pearson Education, Inc. 7

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 © 2013 Pearson Education, Inc. 8

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 © 2013 Pearson Education, Inc.

Vesicles Lysosomes Peroxisomes Inclusions Which organelle contains enzymes that detoxifies the cell from harmful hydrogen peroxide ? Vesicles Lysosomes Peroxisomes Inclusions Answer: c. Peroxisomes © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

The basal lamina arises from which type of tissue? Epithelial tissue Connective tissue Nervous tissue Muscle tissue Answer: a. Epithelial tissue © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

The mucus-secreting cells prevalent in simple columnar epithelium are known as __________. goblet cells cup cells chalice cells mucocells Answer: a. goblet cells © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

Fingerprints are copies of __________. dermal papillae epidermal papillae dermal ridges epidermal ridges Answer: d. epidermal ridges © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

Which three pigments contribute to skin color? Carotene, melanin, hemoglobin Keratin, melanin, hemoglobin Melanin, keratin, hemoglobin Hemoglobin, carotene, keratin Answer: a. Carotene, melanin, hemoglobin © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

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. © 2013 Pearson Education, Inc.

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 © 2013 Pearson Education, Inc.

The skin plays a role in the manufacture of vitamin ______. B C D Answer: d. D © 2013 Pearson Education, Inc.