Anatomy and Physiology Unit 1 Practice quiz

After you eat lunch, nerve cells in your stomach respond to the distension (the stimulus) resulting from the food. They relay this information to ________. Select one: a. a control center b. a set point c. effectors d. sensors

a. a control center

The smallest independently functioning unit of an organism is a(n) ________. Select one: a. cell b. molecule c. organ d. tissue

a. cell

In observing epithelial cells under a microscope, the cells are arranged in a single layer and look tall and narrow, and the nucleus is located close to the basal side of the cell. The specimen is what type of epithelial tissue? Select one: a. columnar b. stratified c. squamous d. transitional

a. columnar

The cells responsible for the transmission of the nerve impulse are ________. Select one: a. neurons b. oligodendrocytes c. astrocytes d. microglia

a. neurons

Which of the following phases is characterized by preparation for DNA synthesis? Select one: a. G0 b. G1 c. G2 d. S

b. G1

The nucleus and mitochondria share which of the following features? Select one: a. protein-lined membrane pores b. a double cell membrane c. the synthesis of ribosomes d. the production of cellular energy

b. a double cell membrane

Connective tissue is made of which three essential components? Select one: a. cells, ground substance, and carbohydrate fibers b. cells, ground substance, and protein fibers c. collagen, ground substance, and protein fibers d. matrix, ground substance, and fluid

b. cells, ground substance, and protein fibers

Because they are embedded within the membrane, ion channels are examples of ________. Select one: a. receptor proteins b. integral proteins c. peripheral proteins d. glycoproteins

b. integral proteins

CH4 is methane. This compound is ________. Select one: a. inorganic b. organic c. reactive d. a crystal

b. organic

Which of the following is not a difference between DNA and RNA? Select one: a. DNA contains thymine whereas RNA contains uracil b. DNA contains deoxyribose and RNA contains ribose c. DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars d. RNA is single-stranded and DNA is double-stranded

c. DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars

Which of the following is a molecule, but not a compound? Select one: a. H2O b. 2H c. H2 d. H+

c. H2

Which of the following is not a type of tissue? Select one: a. muscle b. nervous c. embryonic d. epithelial

c. embryonic

Which of the following processes is not a cardinal sign of inflammation? Select one: a. redness b. heat c. fever d. swelling

c. fever

C6H12O6 is the chemical formula for a ________. Select one: a. polymer of carbohydrate b. pentose monosaccharide c. hexose monosaccharide d. all of the above

c. hexose monosaccharide

Humans have the most urgent need for a continuous supply of ________. Select one: a. food b. nitrogen c. oxygen d. water

c. oxygen

Which of the following specialties might focus on studying all of the structures of the ankle and foot? Select one: a. microscopic anatomy b. muscle anatomy c. regional anatomy d. systemic anatomy

c. regional anatomy

What is the position of the body when it is in the "normal anatomical position?" Select one: a. The person is prone with upper limbs, including palms, touching sides and lower limbs touching at sides. b. The person is standing facing the observer, with upper limbs extended out at a ninety-degree angle from the torso and lower limbs in a wide stance with feet pointing laterally. c. The person is supine with upper limbs, including palms, touching sides and lower limbs touching at sides. d. None of the above

d. None of the above

In 1901, Wilhelm Röntgen was the first person to win the Nobel Prize for physics. For what discovery did he win? Select one: a. nuclear physics b. radiopharmaceuticals c. the link between radiation and cancer d. X-rays

d. X-rays

Together, just four elements make up more than 95 percent of the body's mass. These include ________. Select one: a. calcium, magnesium, iron, and carbon b. oxygen, calcium, iron, and nitrogen c. sodium, chlorine, carbon, and hydrogen d. oxygen, carbon, hydrogen, and nitrogen

d. oxygen, carbon, hydrogen, and nitrogen

Arrange the following terms in order of increasing specialization: oligopotency, pleuripotency, unipotency, multipotency. Select one: a. multipotency, pleuripotency, oligopotency, unipotency b. pleuripotency, oligopotency, multipotency unipotency c. oligopotency, pleuripotency, unipotency, multipotency d. pleuripotency, multipotency, oligopotency, unipotency

d. pleuripotency, multipotency, oligopotency, unipotency

Striations, cylindrical cells, and multiple nuclei are observed in ________. Select one: a. skeletal muscle only b. cardiac muscle only c. smooth muscle only d. skeletal and cardiac muscles

d. skeletal and cardiac muscles

Metabolism can be defined as the ________. Select one: a. adjustment by an organism to external or internal changes b. process whereby all unspecialized cells become specialized to perform distinct functions c. process whereby new cells are formed to replace worn-out cells d. sum of all chemical reactions in an organism

d. sum of all chemical reactions in an organism

Choose the term that best completes the following analogy: Cytoplasm is to cytosol as a swimming pool containing chlorine and flotation toys is to ________. Select one: a. the walls of the pool b. the chlorine c. the flotation toys d. the water

d. the water