PRACTICE TEST: EXAM 1

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1 A researcher who studies mitochondria or ribosomes would belong to which of the following disciplines?
cytology
histology
cardiovascular physiology
neurology
none of these

2 Which of the following would likely require the use of a microscope?
histology
cytology
gross anatomy
all of these
"a" and "b" only

3 For the most part, ZOO 200 is takes a _______________ approach towards the study of human anatomy.
regional
systemic
cytologic
histologic
none of these

4 Which of the following would NOT be regulated by a homeostatic mechanism?
blood cholesterol levels
blood glucose
body temperature
height
thyroid hormone levels

5 The portion of the internal environment where red blood cells, white blood cells, and platelets are all found.
interstitial fluid
cytoplasm
plasma
intracellular fluid
lymph

6 The fluid found between, say, connective tissue cells is part of the __________________ "compartment".
intracellular fluid
interstitial fluid
cytosol
none of these
"a" and "b" only

7 What  “goal” of interacting organ systems helps to ensure cell survival, and thus survival of the organism?
gene activation
mitosis
differentiation
ovum fertilization
homeostasis

8 Site of control center in body temperature homeostasis:
sweat glands in skin
skeletal muscle cells
heart muscle (myocardium)
hypothalamus (in brain)
thyroid gland

9 Homeostasis is defined as a maintenance of a relatively constant:
plasma environment
intracellular environment
external environment
internal environment
interstitial environment

10 Which of the following is directly exposed to the internal environment of the body?
mitochondria
cell nuclei
cells
the stomach
food in the stomach

11 In homeostasis, effectors directly result in: (this info will not be covered on exam #1)
a stimulus
a response
regulation of a homeostatic control center
none of these

12 Which of the following are effectors in body temperature regulation? (this info will not be covered on exam #1)
thymus gland
sebaceous (oil) glands in the skin
blood vessels in the skin
all of these
"b" and "c" only

13 In a cat, the heart is ___________ to the diaphragm.
anterior
superior
cranial
all of these
a" and "c

14 The gall bladder is located in the ____________ of the abdomen.
left upper quadrant
right upper quadrant
left lower quadrant
right lower quadrant

15 The spleen is located in the _____________ region of the abdomen.
hypogastric
epigastric
left hypochondriac
left lumbar
right inguinal

16 The palms of the hand are on the ____________ surface of the body.
posterior
anterior
ventral
cranial
b" and "c

17 A midsagittal section through the abdominal cavity would NOT reveal which organ(s)?
liver
stomach
small intestine
kidney
b" and "d

18 The thoracic cavity also includes which of the following?
pleural cavity
pericardial cavity
peritoneal cavity
all of these
"a" and "b" only

19 A coronal section through the torso would reveal which body cavities?
thoracic
abdominal
both
neither

20 A transverse section through the thoracic cavity could cut through the:
lungs
heart
thymus
all of these
all except "c"

21 Fibroblasts belong to which level of organization?
cellular
tissue
organ
organ system

22 The collagen fibers within a tendon or ligament belong to what level of organization?
cellular
tissue
organ
organ system

23 Which is the only section through the thoracic cavity that might miss the mediastinum?
midsagittal
parasagittal
coronal
transverse
none of these would miss the mediastinum

24 The level of organization at which similar cell types work together for common function:
cellular
tissue
organ
chemical
none of these

25 Interstitial fluid is found at what level of organization?
cellular
tissue
organ
organ systems
none of these

26 A collection of cardiac muscle cells contract as a functional unit because of the presence of
tight junctions
anchoring junctions
gap junctions
all of these
a and c only

27 Which of the following is most directly influenced by homeostatic mechanisms?
cytoplasm
extracellular fluid
plasma membrane
cytosol
none of these

28 One would expect to find desmosomes in all of the following except:
the lining of the small intestine
the urinary bladder wall
the cervix
the wall of the heart
the liver

29 Which of the following is not a typical feature of epithelial tissue?
closely packed cells
presence of an apical surface
lots of cell junctions
plentiful blood supply
presence of a basement membrane

30 Which general tissue type is typically found deep to a basement membrane?
connective
epithelial
nervous
muscle
none of these

31 The dominant tissue type found within the pancreas:
connective
epithelial
nervous
muscle
none of these

32 Which structure would exhibit cells with the highest mitotic rates?
biceps brachii
spinal cord
lining of the stomach
subcutaneous fat
shaft of hair

33 Which of the following is not a typical location for ciliated epithelium?
trachea
small intestine
Fallopian tubes
none of these have cilia
all of these have cilia

34 Which of the following would be the most metabolically active?
cuboidal cells
squamous epithelial cells
columnar epithleial cells
red blood cells

35 Which of the following would be in contact with the external environement?
lining of the oral cavity
lining of the esophagus
lining of the stomach
linining of the trachea
all of these

36 Which tissue type would be most susceptible to environmental insults?
nervous
connective
epithelial
muscle
all would be equally susceptible

37 Which tissue can regenerate most easily after injury?
epithelial
connective
nervous
muscle

38 If an epithelial tissue were to line a cavity subject to wear and tear, which type of cell arrangement may be expected?
stratified
pseudostratified
simple
none of these

39 To maximize diffussion rates through an epithleial layer, which epithelial cell shape and arrangement would be expected?
transitional
simple cuboidal
simple columnar
simple squamous
b" or "c

40 Which of the following is NOT a characteristic of most connective tissues?
highy vascular
abundant extracellular material
cells arranged in layers like epithelial tissues
cells widely separated

41 A tissue with lots of fibroblasts could be expected to have lots of:
fibrin
adipose cells
muscle fibers
nerve fibers
collagen

42 Which would contain connective tissue with abundant elastin?
bone
tendons
lungs
kidney
liver

43 Goblet cells would be typically found associated with:
ciliated epithelium
simple squamous epithelium
endocrine glands
stratified squamous epithelium
none of these

44 Which tissue would take the longest to heal if injured?
dense irregular CT
stratified squamous
hyaline cartilage
bone

45 A drug stimulates osteoblast activity, and thus may be effective in the treatment of which condition?:
anemia
acne
Alzheimer's
the common cold
thinning bones

46 A common location for elastic cartilage:
External ear
Tip of nose
Intervertebral disks
All of these
"a" and "b" only

47 Which of the following connective tissues has the richest blood supply?
adipose tissue
dense regular connective tissue
bone tissue
areolar tissue
all of the above are avascular

48 Cartilage is strong because of _________, resilient because of ____________.
collagen; elastin
collagen; reticular fibers
collagen; chondroitin sulfate
elastin; chondroitin sulfate
elastin; collagen

49 If the collagen in bone tissue were destroyed (with the rest of the tissue unaffected); what could be expected?
soft bone tissue
bone tissue full of holes
brittle bone tissue
none of these

50 Most of the body's white blood cells are found:
in the blood
in the interstitial fluid
in the lymph fluid
within lymphatic tissue
none of these

51 When one loses weight, what is actually happening at the tissue level?
a decrease in the number of fat cells.
a decrease in the size of pre-existing fat cells.
conversion of adipose tissue into areolar connective tissue.
conversion of adipose tissue into dense irregular connective tissue.

52 A common location for areolar connective tissue:
between the skin and underlying muscle.
structural frameworks within solid organs such as the liver or kidney
the brain
none of these

53 In what structure listed would disrupted fibroblast activity have the greatest effect?
Eustachian tube
epidermis
tendons
bone marrow
lining of stomach

54 Chondroblasts would be associated with:
developing skin
mesenchyme
developing cartilage
mature bone tissue

55 The inner framework or "scaffolding" of solid organs such as the liver is formed primarily by:
reticular fibers
collagen fibers
elastic fibers
hyaluronic acid
chondrotin sulfate

56 Through the microscope you observe a tissue with plasma cells, macrophages,and fibroblasts. Which tissue type is it?
blood
areolar
fibrocartilage
elastic cartilage
none of these

57 Which tissue would heal the fastest?
bone
dense irregular CT
simple columnar
hyaline cartilage

58 Which fiber types would one expect to find in ligaments?
reticular fibers
collagen fibers
elastic fibers
all of these
b" and "c

59 What is the function of the canaliculi found within bone tissue?
makes the tissue lighter
makes the tissue stronger
helps to distribute nutrients to the osteocytes
no known function

60 In the osseous tissue making cancellous (spongy) bone, one would find:
Haversian canals
concentric lamellae
osteocytes in lacunae
all of these
b" and "c

61 In which of the following would red cell production most likely take place?
compact bone in the sternum
spongy bone in the pelvic girdle
spongy bone in the tibia
all of these
b" and "c

62 Which of the following is true of plasma cells?
they can be found in plasma
they can be found in areolar connective tissue.
they produce antibodies
all of these are true
none of these are true

63 All else remaining equal, decreased activity of osteoclasts may lead to:
decreased bone tissue production
net increase in bone tissue density
decreased bone tissue destruction
none of these
"b" and "c" only

64 Found In the bone tissue making up the shaft of a femur:
Haversian canals
trabeculae
red bone marrow
all of these
none of these

65 The collagen fibers in bone tissue matrix result in _______ bones.
strong
hard
both
neither

66 The most abundant white blood cell:
monocyte
eosinophil
basophil
neutrophil
lymphocyte

67 Blood clot formation requires sufficient levels of:
eosinophils
B lymphocytes
T lymphocytes
platelets
basophils

68 Decreased numbers of megakaryocytes might result in:
increased rates of infection
decreased antibody production
abnormally high levels of hemoglobin
problems forming blood clots
none of these

69 What is a typical white blood cell count?
10,000 per cubic mm of blood
100,000 per cubic mm of blood
10,000 per cubic cm of blood
100,000 per cubic mm of blood
none of these

70 Which of the following are produced in red bone marrow?
neutrophils
eosinophils
basophils
all of these
none of these

71 Smooth muscle is found:
in the heart
in skeletal muscles
in the walls of blood vessels
all of these

72 Without intercalated disks, what would happen?
individual cardiac muscle cells would not contract rhythmically.
each cardiac muscle cell would contract rhythmically, but indepedently of its neighboring cell
cardiac muscle tissue would disintegrate
none of these

73 The endomysium is composed of
dense regular connective tissue
dense irregular connective tissue
reticular connective tissue
none of these

74 At the "ends" of a skeletal muscle, the various connective tissue components (such as the perimysium and epimysium) merge to form:
periosteum
perichondrium
ligaments
tendons
none of these

75 The striations of skeletal and cardiac muscle cells are due to:
variations in the color of the sarcolemma (the muscle cell membrane)
alternating bands of elastic and collagen fibers in the sarcoplasm (the muscle cell cytoplasm)
precise arrangements of actin and myosin proteins within the sarcoplasm
none of these
a' and 'b

76 Microglia:
are CNS macrophages
produce myelin
form the blood-brain barrier
generate nerve impulses
none of these

77 The location of a motor neuron cell body whose axon forms a synapse with a skeletal muscle cell:
in the skeletal muscle
in a nerve going to the skeletal muscle
in either the brain or spinal cord, depending on the location of the skeletal muscle
none of these

78 With malfunctioning oligodendrocytes, one may have a problem forming ____________________ in _____________________.
myelin; brain
myelin; nerves
myelin; spinal cord
all of these
a' and 'c

79 An unmyelinated axon would not have:
nerve impulses
a cell body
a cell membrane
nodes of Ranvier
none of these

80 If you look at a brain that has been sectioned, you would note neural tissue of two different shades: light and dark. In which would you expect to find the greatest numbers of synapses?
light
dark
both
neither


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