A&P I 2013 Comp Exam Name ____________________________________________
Russo
Figure 12.1
Using Fig. 12.1, Match the following:
1) White fiber tracts
Answer: A
Diff: 1
Page Ref: 440; Fig. 12.10
2) Thalamus
Answer: B
Diff: 1
Page Ref: 440; Fig. 12.10
3) Pons
Answer: D
Diff: 1
Page Ref: 440; Fig. 12.10
4) Hypothalamus
Answer: C
Diff: 1
Page Ref: 440; Fig. 12.10
5) Medulla Oblongata
Answer: E
Diff: 1
Page Ref: 440; Fig. 12.10
Multiple Choice
6) Which fissure separates the cerebral hemispheres?
A) central fissure
B) longitudinal fissure
C) parieto-occipital fissure
D) lateral fissure
Answer: B
Diff: 1
Page Ref: 431; Fig. 12.4
Figure 15.3
Using Figure 15.3, match the following:
7) Acts as a reflexively activated diaphragm to vary pupil size.
Answer: C
Diff: 2
Page Ref: 548-549; Fig15.4
8) The only tissue in the body that can be transplanted from one person to another with
little or no rejection.
Answer: B
Diff: 2
Page Ref: 548-549; Fig15.4
9) Controls lens shape.
Answer: A
Diff: 2
Page Ref: 548-549; Fig15.4
10) Holds the retina firmly against the pigmented layer.
Answer: E
Diff: 2
Page Ref: 548, 551 Fig15.4
11) Fluid blockages cause glaucoma.
Answer: D
Diff: 2
Page Ref: 548, 553 Fig15.4
Match the following:
A) Vestibule
B) Pharyngotympanic tube
C) Tympanic membrane
D) Otoliths
12) Ear stones.
Diff: 1
Page Ref: 580
13) Connects the middle ear with the nasopharynx.
Diff: 1
Page Ref: 572
14) Separates external acoustic meatus from the middle ear.
Diff: 1
Page Ref: 572
15) Contains utricle and saccule.
Diff: 1
Page Ref: 576
16) Detects linear acceleration.
Diff: 1
Page Ref: 573
Answers: 12) D 13) B 14) C 15) A 16) A
T/F
17) The acidity of a solution reflects the free hydrogen ions in the solution
Answer: TRUE
Diff: 2
Page Ref: 40-41
18) A chemical bond is an energy relationship between outer electrons and neighboring
atoms.
Answer: TRUE
Diff: 1
Page Ref: 31
19) All organic compounds contain carbon.
Answer: TRUE
Diff: 1
Page Ref: 41
20) A dipeptide can be broken into two amino acids by dehydration synthesis.
Answer: FALSE
Diff: 1
Page Ref: 48; Fig. 2.18
21) The pH of body fluids must remain fairly constant for the body to maintain
homeostasis.
Answer: TRUE
Diff: 1
Page Ref: 40-41
22) Mixtures are combinations of elements or compounds that are physically blended
together but are not bound by chemical bonds.
Answer: TRUE
Diff: 2
Page Ref: 29
Multiple Choice
23) Select the correct statement about isotopes.
A) Isotopes of the same element have the same atomic number but differ in their atomic
masses.
B) All the isotopes of an element have the same number of neutrons but differing
numbers of electrons.
C) All the isotopes of an element are radioactive.
D) Isotopes occur only in the heavier elements.
Answer: A
Diff: 2
Page Ref: 27
24) The four elements that make up about 96% of body matter are ________.
A) carbon, oxygen, phosphorus, calcium
B) nitrogen, hydrogen, calcium, sodium
C) carbon, oxygen, hydrogen, nitrogen
D) sodium, potassium, hydrogen, oxygen
Answer: C
Diff: 2
Page Ref: 26; Tbl. 2.1
25) ________ is fat soluble, produced in the skin on exposure to UV radiation, and
necessary for normal bone growth and function.
A) Vitamin K
B) Cortisol
C) Vitamin A
D) Vitamin D
Answer: D
Diff: 1
Page Ref: 46; Tbl. 2.2
Match the following:
A) Nucleus
B) Microtubules
C) Endoplasmic reticulum
D) Ribosomes
E) Nucleoli
26) Plays a role in the synthesis of steroid-based hormones and proteins.
Diff: 2
Page Ref: 94; Table 3.3
27) The actual site of protein synthesis.
Diff: 1
Page Ref: 94; Table 3.3
28) Hollow cytoskeletal elements that act as organizers for the cytoskeleton.
Diff: 2
Page Ref: 95; Table 3.3
29) Dense spherical bodies in the nucleus that are the synthesis site for ribosomal RNA.
Diff: 1
Page Ref: 96; Table 3.3
30) Houses DNA and RNA.
Diff: 1
Page Ref: 95; Table 3.3
Answers: 26) C 27) D 28) B 29) E 30) A
Multiple Choice
31) What moves cell organelles from one location to another inside a cell?
A) Motor proteins
B) Microtubules
C) Microfilaments
D) Intermediate filaments
Answer: A
Diff: 2
Page Ref: 88-89
32) Once solid material is phagocytized and taken into a vacuole, which of the following
statements best describes what happens?
A) A ribosome enters the vacuole and uses the amino acids in the "invader" to form new
protein.
B) A lysosome combines with the vacuole and digests the enclosed solid material.
C) The vacuole remains separated from the cytoplasm and the solid material persists
unchanged.
D) The phagocytized material is stored until further breakdown can occur..
Answer: B
Diff: 1
Page Ref: 86-87
33) Riboswitches are folded RNAs that act as switches to turn protein synthesis on or off
in response to ________.
A) changes in the environment
B) specific tRNAs
C) specific codes from the DNA
D) the presence or absence of ubiquitins
Answer: A
Diff: 1
Page Ref: 105
34) Which of the following is a function of a plasma membrane protein?
A) circulating antibody
B) molecular transport through the membrane
C) forms a lipid bilayer
D) oxygen transport
Answer: B
Diff: 1
Page Ref: 65-66; Fig. 3.4
35) Which of the following statements is correct regarding RNA?
A) Messenger RNA, transfer RNA, and ribosomal RNA play a role in protein synthesis.
B) If the base sequence of DNA is ATTGCA, the messenger RNA template will be
UCCAGU.
C) There is exactly one specific type of mRNA for each amino acid.
D) rRNA is always attached to the rough ER.
Answer: A
Diff: 2
Page Ref: 102
36) Which of the following would not be a constituent of a plasma membrane?
A) glycolipids
B) messenger RNA
C) glycoproteins
D) phospholipids
Answer: B
Diff: 1
Page Ref: 63-65
37) Mitosis ________.
A) is the formation of sex cells
B) is division of the nucleus
C) creates diversity in genetic potential
D) is always a part of the cell cycle
Answer: B
Diff: 1
Page Ref: 98
38) The electron microscope has revealed that one of the components within the cell
consists of pinwheel array of 9 triplets of microtubules arranged to form a hollow tube.
This structure is a ________.
A) centrosome
B) centriole
C) chromosome
D) ribosome
Answer: B
Diff: 2
Page Ref: 89
39) ________ epithelium appears to have two or three layers of cells, but all the cells are
in contact with the basement membrane.
A) Stratified cuboidal
B) Stratified columnar
C) Transitional
D) Pseudostratified columnar
Answer: D
Diff: 1
Page Ref: 120-122
40) A many-layered epithelium with cuboidal basal cells and flat cells at its surface
would be classified as ________.
A) simple cuboidal
B) simple squamous
C) transitional
D) stratified squamous
Answer: D
Diff: 2
Page Ref: 122
41) Select the correct statement regarding epithelia.
A) Simple epithelia form impermeable barriers.
B) Stratified epithelia are tall, narrow cells.
C) Stratified epithelia are present where protection from abrasion is important.
D) Pseudostratified epithelia consist of at least two layers of cells stacked on top of one
another.
Answer: C
Diff: 2
Page Ref: 119
42) Lengthwise, long bone growth during infancy and youth is exclusively through
________.
A) interstitial growth of the epiphyseal plates
B) the secretion of bone matrix into the medullary cavity
C) differentiation of osteoclasts into osteocytes
D) calcification of the matrix of the zone underlying articular cartilage
Answer: A
Diff: 2
Page Ref: 185-186
43) Growth of bones is controlled by a symphony of hormones. Which hormone is of
greatest importance for bone growth during infancy and childhood?
A) thyroid hormone
B) somatomedins
C) growth hormone
D) prolactin
Answer: C
Diff: 2
Page Ref: 186-187
44) In some cases the epiphyseal plate of the long bones of children closes too early.
What might be the cause?
A) overproduction of thyroid hormone
B) elevated levels of sex hormones
C) too much vitamin D in the diet
D) osteoblast activity exceeds osteoclast activity
Answer: B
Diff: 2
Page Ref: 186
T/F
45) A stimulus traveling toward a synapse appears to open calcium ion channels at the
presynaptic end, which in turn promotes fusion of synaptic vesicles to the axonal
membrane.
Answer: TRUE
Diff: 3
Page Ref: 407-410
46) If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and
destroy them.
Answer: TRUE
Diff: 3
Page Ref: 389
47) The overlapping functions of the nervous system are sensory input, integration, and
motor output.
Answer: TRUE
Diff: 1
Page Ref: 387
48) The autonomic nervous system is under voluntary control; whereas, the somatic
nervous system is involuntary.
Answer: FALSE
Diff: 1
Page Ref: 387
49) Axon diameter and degree of myelination determine nerve impulse conduction
velocity.
Answer: TRUE
Diff: 1
Page Ref: 406
Multiple Choice
50) An inhibitory postsynaptic potential (IPSP) is associated with ________.
A) a change in sodium ion permeability
B) hyperpolarization
C) opening of voltage-regulated channels
D) lowering the threshold for an action potential to occur
Answer: B
Diff: 1
Page Ref: 411
51) Neuroglia that control the chemical environment around neurons by buffering
potassium and recapturing neurotransmitters are ________.
A) astrocytes
B) oligodendrocytes
C) microglia
D) Schwann cells
Answer: A
Diff: 1
Page Ref: 389
52) Schwann cells are functionally similar to ________.
A) ependymal cells
B) microglia
C) oligodendrocytes
D) astrocytes
Answer: C
Diff: 1
Page Ref: 390
53) Immediately after an action potential has peaked, which cellular gates open?
A) sodium
B) chloride
C) calcium
D) potassium
Answer: D
Diff: 2
Page Ref: 401
54) During muscle contraction, myosin cross bridges attach to which active sites?
A) myosin filaments
B) actin filaments
C) Z discs
D) thick filaments
Answer: B
Diff: 1
Page Ref: 289
55) Which of the following surrounds the individual muscle cell?
A) perimysium
B) endomysium
C) epimysium
D) fascicle
Answer: B
Diff: 1
Page Ref: 278; Fig. 9.1
T/F
56) A resting potential is caused by a difference in the concentration of certain ions inside
and outside the cell.
Answer: TRUE
Diff: 2
Page Ref: 286
57) The effect of a neurotransmitter on the muscle cell membrane is to modify its ion
permeability properties temporarily.
Answer: TRUE
Diff: 2
Page Ref: 286
58) When a muscle fiber contracts, the I bands diminish in size, the H zones disappear,
and the A bands do not diminish in length.
Answer: TRUE
Diff: 2
Page Ref: 285
59) The thin filaments (actin) contain a polypeptide subunit G actin that bears active sites
for myosin attachment.
Answer: TRUE
Diff: 2
Page Ref: 281
Multiple Choice
60) After nervous stimulation stops, what prevents ACh in the synaptic cleft from
continuing to stimulate contraction?
A) calcium ions returning to the terminal cisternae
B) the tropomyosin blocking the myosin once full contraction is achieved
C) acetylcholinesterase destroying the ACh
D) the action potential stops going down the overloaded T tubules
Answer: C
Diff: 2
Page Ref: 286
Xtra Credit (1 point each)
1) Which of the following does not serve as a signal for cell division?
A) repressor genes
B) joining of cyclins and Cdks
C) loss of contact inhibition
D) shrinking surface-to-volume ratio
Answer: A
Diff: 3
Page Ref: 99
2) Caveolae are closely associated with all of the following except ________.
A) lipid rafts
B) receptors for hormones
C) enzymes involved in cell regulation
D) enzymes involved in cell metabolism
Answer: D
Diff: 3
Page Ref: 76
3) Normal bone formation and growth are dependent on the adequate intake of ________.
A) calcium, phosphate, and vitamin D
B) potassium, phosphate, and vitamin D
C) sodium, calcium, and vitamin E
D) vitamin D, phosphate, and chloride
Answer: A
Diff: 3
Page Ref: 187
4) If a motor neuron in the body were stimulated by an electrode placed about midpoint
along the length of the axon ________.
A) the impulse would move to the axon terminal only
B) muscle contraction would occur
C) the impulse would spread bidirectionally
D) the impulse would move to the axon terminal only, and the muscle contraction would
occur
Answer: C
Diff: 3
Page Ref: 400-401
5) Which of the following statements is most accurate?
A) Muscle tension remains relatively constant during isotonic contraction.
B) T tubules may be sliding during isotonic contraction.
C) The I band lengthens during isotonic contraction.
D) Myofilaments slide during isometric contractions.
Answer: A
Diff: 3
Page Ref: 297-298