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1) some people suffer involuntary urination due toincompetence of what muscle?
a. external urethral sphincter
b. bulbospongiosus
c. compressor urethrae
d. ischiocavernosus
e. levator ani
2) which of the bones below does not belong to the appendicular skeleton?
a. clavicle
b. patella
c. ethmoid
d. ulna
e. fibula
3) in which condition are the lungs infected with mycobacterium and produce fibrous
nodules around the bacteria, leading to progressive pulmonary fibrosis?
a.pneumonia
b.dyspnea
c.pneumothorax
d.tuberculosis
e.rhinitis
4) the __________ is not an organ of the urinary system.
a. urethra
b. liver
c. ureter
d. urinary bladder
e. kidney
5) which of these does not prevent the spontaneous formation of a clot?
a. the presence of tissue thromboplastin
b. the smooth prostacyclin-coated endothelium of blood vessels
c. the dilution of thrombin when blood flows at a normal rate
d. the presence of antithrombin in plasma
e. the presence of heparin in plasma
6) oxygen has an atomic number of eight. when two oxygen atoms come together, they
form a(n) __________ bond.
a.hydrogen
b.nonpolar covalent
c.polar covalent
d.ionic
e.van der waals
7) the antebrachium contains the __________.
a. radius and ulna
b. humerus
c. carpals and metacarpals
d. scapula and clavicle
e. phalanges
8) a human isborn before his/her nervous system has matured. this is traceable to
__________.
a. their inability to regulate body temperature
b. skeletal adaptations to bipedalism
c. the arboreal habits of early primates
d. the conditions of modern civilization
e. the diet of early species of homo
9) the __________ performs the work of the heart.
a. fibrous skeleton
b. pericardial cavity
c. endocardium
d. myocardium
e. epicardium
10) leukopoiesis begins with the differentiation of __________.
a. pluripotent stem cells
b. precursor cells
c. colony-forming units
d. myeloblasts
e. lymphoblasts
11) polio can sometimes damage the brainstem respiratory centers and result in which
condition?
a.a bohr effect
b.adult respiratory distress syndrome
c.a pneumothorax
d.atelectasis
e.ondine's curse
12) because of the great deal of active transport that occurs here, the __________ of
one's nephrons collectively account for about 6% of one's daily resting atp and caloric
consumption.
a. proximal convoluted tubules
b. distal convoluted tubules
c. loops of henle
d. collecting ducts
e. glomeruli
13) which skin color is most likely to result from anemia?
a. pallor
b. erythema
c. hematoma
d. albinism
e. jaundice
14) chemicals in a solution can move down a concentration gradient. this means the
chemical will move from the area of__________ concentrationto the area of_________
concentration.
a. high; high
b. low; low
c. equal; equal
d. low; high
e. high; low
15) when you spin while sitting in a swivel chair with your eyes closed, you can sense
this movement by means of your __________.
a. cochlea
b. saccule
c. semicircular ducts
d. utricle
e. spiral organ (organ of corti)
16) which of the following is contained within gray matter?
a. glial cells, axons of motor neurons, and schwann cells
b. glial cells and myelinated fibers
c. neurosomas, dendrites, and proximal parts of axons of neurons
d. the distal part of axons of lower order motor neurons
e. glial cells only
17) __________ stimulates the interstitial cells of the testes to secrete __________.
a. gonadotropin-releasing hormone (gnrh); lh
b. follicle-stimulating hormone (fsh); androgen-binding protein (abp)
c. luteinizing hormone (lh); androgen-binding protein (abp)
d. luteinizing hormone (lh); testosterone
e. luteinizing hormone (lh); estrogen
18) platelets release __________, a chemical vasoconstrictor that contributes to the
vascular spasm.
a. heparin
b. thrombin
c. thromboplastin
d. prostacyclin
e. serotonin
19) eye color is caused by genes at multiple loci. this phenomenon is called
__________.
a. pleiotropy
b. sex linkage
c. polygenic inheritance
d. incomplete dominance
e. multiple carriers
