1) the appendicular region consists of the head, neck and trunk.
2) negative feedback is a self-amplifying chain of events that tends to produce rapid
change in the body.
3) organs are made of tissues.
4) blood in the heart chambers provides most of the myocardium’s oxygen and nutrient
needs.
5) the heat-promoting center is located in the hypothalamus, which triggers shivering.
6) parathyroid hormone (pth) binds to receptors on osteoblasts.
7) columnar cells lining the small intestine have a brush border of microvilli on the
apical surface.
8) the optic canal is part of thesphenoid bone.
9) bursae are structures associated with fibrous, cartilaginous, and synovial joints.
10) dna never migrates from the nucleus to the cytoplasm to participate directly in
protein synthesis.
11) the __________ is an especially important center of autonomic control.
a. pons
b. medulla oblongata
c. hypothalamus
d. midbrain
e. pituitary gland
12) the clear gel inside a cell is called __________.
a. matrix
b. ground substance
c. interstitial fluid
d. cytosol
e. tissue fluid
13) the __________ of the small intestine is/are similar to the __________ of the
stomach.
a. villi; pyloric glands
b. rugae; peyer patches
c. intestinal crypts; gastric pits
d. goblet cells; parietal cells
e. pyloric sphincter; ileocecal valve
14) cerebrospinal fluid is secreted by choroid plexuses in the __________ ventricles
and reabsorbed by arachnoid villi in the __________.
a. lateral, third, and fourth; superior sagittal sinus
b. lateral, and third; superior sagittal sinus
c. lateral, third, and fourth; central canal of the spinal cord
d. lateral; central canal of the spinal cord
15) a solution that resists a change in ph when an acid or base is added to it is a(n)
__________.
a. buffer
b. catalyst
c. reducing agent
d. oxidizing agent
e. colloid
16) when you kick a soccer ball, you contract your quadriceps femoris. because the
attachment on the tibia moves towards the attachment on the femur, it is considered the
__________.
a.insertion
b.origin
c.belly
d.innervation
17) neurosomas of the anterior root are located in the __________.
a. gray matter
b. posterior root ganglion
c. white matter
d. anterior rootlets
e. anterior root ganglion
18) which of the followinghas not been implicated in causingleukemia?
a. acquired immunodeficiency syndrome (aids)
b. lead poisoning
c. radiation therapy
d. dehydration
e. immunosuppressant drugs
19) the __________ is not a portion of the urethra.
a. external urethral orifice
b. internal urethral sphincter
c. prostatic urethra
d. membranous urethra
e. spongy urethra
20) which of the following systems shows the least overall senescence?
a. muscular system
b. endocrine system
c. integumentary system
d. reproductive system
e. urinary system
21) which of the following structures houses the spiral organ?
a. cochlea
b. vestibule
c. semicircular duct
d. stapes
e. tympanic cavity
22) the plural of villus (hair) is ____________, whereas the plural of diagnosis is
____________.
a. villuses; diagnosises
b. villi; diagnoses
c. villus; diagnosis
d. villi; diagnosis
e. villuses; diagnosis
23) the outermost layer of the digestive tract, which is composed of a thin layer of
areolar tissue and simple squamous epithelium, is called the __________.
a. lumen
b. muscularis externa
c. submucosa
d. mucosa (mucous membrane)
e. serosa (mesentery)
24) which of the following is not one of the three basic components of a cell?
a. cytoplasm
b. nucleus
c. plasma membrane
d. interstitial fluid
25) in the cerebral cortex, which cells process information on a local level?
a. stellate
b. pyramidal
c. purkinje
d. ependymal