Final Exam Questions Flashcards
(140 cards)
1
Q
T or F. The atomic weight is only an average of relative weights of an atom and it’s isotopes, and it may vary from the weight of a specific isotope
A
T
2
Q
T or F. Final preparation for cell division is made during the cell life cycle sub phase called G2.
A
T
3
Q
T or F. The genetic information is coded in DNA by the regular alternation of sugar and phosphate molecules
A
F
4
Q
T or F. Lipids are a poor source of stored energy.
A
F
5
Q
T or F. The elbow is proximal to the shoulder.
A
F
6
Q
T or F. The serous membrane that lines the peritoneal cavity wall is called visceral peritoneum
A
F
7
Q
What produces ATP aerobically?
A
Mitochondrian (B)
8
Q
Site of enzymatic breakdown of phagocytized material?
A
Lysosome (E)
9
Q
Packages proteins for insertion in the cell membrane or for exocytoises
A
Golgi apparatus (C)
10
Q
Site of synthesis of lipid and steroid molecules
A
smooth endoplasmic reticulum (A)
11
Q
Replicate for cell division
A
centrioles (D)
12
Q
Which of the following is a function of a plasma membrane protein in cells?
A
molecular transport through the membrane
13
Q
What does CH4 mean?
A
There is one carbon and 4 hydrogens
14
Q
Which of the following is not an electrolyte?
A
h2o
15
Q
Amino acids going together to make a peptide is a good example of?
A
a dehydration synthesis reaction
16
Q
Crenation is likely to occur in blood cells in what type of solution?
A
Hypertonic
17
Q
A gene in a genome can best be defined as?
A
A segment of DNA that carries the instructions for one polypeptide chain.
18
Q
Thermo regulatory responses to increased heat are regulated by the sympathetic nervous devision?
A
true
19
Q
Sound is generally perceived in the occipital lobe
A
false
20
Q
The optic disc in Shay and the location of the eyeball
A
true
21
Q
Theoretically if you were born without a middle ear you would be able to hear by bone conduction of sound waves?
A
true
22
Q
What are the main function of rods in your eye?
A
provide vision in dim light
23
Q
What structure regulates the amount of light passing through the eye?
A
iris
24
Q
Balance organ is?
A
semicircular canal
25
Houses the organ of corti?
cocchlea
26
Some taste receptors are stimulated by hydrogen ions
true
27
Retinal detachment always results in loss of vision?
false
28
Through direct neural stimulation, the sympathetic nervous system promotes many metabolic affects by hormone division
true
29
the cranial sacral division is another name for the parasympathetic division
true
30
Which does not describe the automatic nervous system?
innervates the muscle cells
31
Which of the following is true about gustatory receptors?
complete adaptation occurs in 1-5 mins
32
Select the correct statement about olfaction?
some of the sensation of olfaction is actually one of pain
33
Receptors for hearing are located in the?
cochlea
34
Select the correct statement about our sense of taste
unami can be triggered by glutamine
35
The secretion of the adrenal medulla to act is a result of?
sympathetic stimulation
36
cardio vascular effects of the sympathetic division include all of the following EXCEPT
dilation of blood vessels serving the skin and viscera
37
Which of these effectors is not directly controlled by the ANS?
skeltal muscle
38
The smooth muscle of the digestive viscera is served largely by the?
10th cranial nerve
39
90% of all parasympathetic fibers stem directly from?
cranial nerve 10
40
Which of the following is not a direct response to parasympathetic stimulation/
dilatation of pupils
41
Dark adaptation involves?
accumulation of rhodopsin
42
Olfactory cells and tastebuds are normally stimulated by?
substances in solution
43
Information in balnce receptors goes directly to?
brain stem reflex centers
44
The vagus nerve does not innervate the?
parotid gland
45
Middle of inner ear bones is called the?
incas
46
Goblet cells are found with pseudo stratified ciliated columnar epithelium?
true
47
An increased rate of breathing as a result of an increased buildup of CO2 in the bloodstream would be best described as an example of?
excretion of metabolic waste
48
What is a specific name for your hip region?
coxxal region
49
The anatomical position is characterized by all of the following except?
palms posteriorly
50
In which cavity are the lungs located?
pleural, ventral and thoracic cavities
51
Which of the following is not true of proteins?
they appear to be molecular carriers of coded hereditary information
52
A solution that has a pH of 2 can best be described as being?
acidic
53
Which of the following does not describe ATP molecules?
pigments
54
What tissue has lacunae, calcium salt and blood vessels?
osceous tissue
55
Epithelial tissue has?
a basement membrane
56
What feature characterizes the simple columnar epithelium in the digestive track?
microvilli
57
Which of these is not considered connective tissue?
muscle
58
Select the correct statement regarding adipose tissue
its primary function is nutrient storage
59
The most common extracellular ion is?
sodium
60
muscle cells that are multi nucleated?
skeletal cells
61
Protein found in large amounts in the outermost epithelial cells is?
colagen
62
The periosteum is a tissue that serves only to protect bone bc not supplied with blood vessels
false. lots of blood vessels
63
All bones formed by inter membranous ossification are called irregular bones
false
64
Ribs number 11 and 12 are true ribs bc they have no anterior attachments
false
65
the largest and strongest facial bone is the maxilla
false (mandible)
66
The site of the dermal ridges that produce the ridges in our fingers
e. Fingerprints
67
Hold hair muscles up in place
a. errector pili muscle
68
Psedoriferous gland
c.
69
region that thickens remarkably when one gains weight
b. hypodermis
70
a fracture in the shaft of a bone would break the
diaphysis
71
Select the most correct statement concerning skin cancer
melanomas are rare but must be removed quickly to prevent them from metastasizing
72
Osteogenisis is the process of?
bone formation
73
Which of the following bones is not weight bearing?
the fibula
74
Which of the folliwng glands produces hormones that tend to decrease blood calcium levels?
the thyroid gland
75
Acne is a disorder associated with?
sebaceous glands
76
Burns are devastating because of grand fluid loss. How do physicians estimate?
Rule of 9s
77
The term dipole refers to?
the internal layer of spongy bone in flat bones
78
Bones are protected and lined with a tissue called?
periosteum
79
The inner osteogenic layer consists primarily of
osteoclasts and osteoblasts
80
Which of the following is a bone marking that indicates a projection that helps to form joints
ramus
81
Normal bone formation is dependent on the adequate intake of?
calcium, phosphate and vitamin d
82
Which of the following bones is adapted to support weight and tension stress?
compact bone
83
The cell responsible for secreting the matrix of bone is?
osteoblast
84
The periosteum is secured to the underlying bone by connective tissue called?
perferating fibers
85
the articulation that most closely resembles a hinge in the body involves which bones?
humorous and ulna
86
what are the small spaces in bone tissue in which osteocytes live?
lacunae
87
Cause goose bumps?
errector pili
88
multinucleate cells that destroy
osteoclasts
89
endomysium=B fascicle=D binds muscle into functional groups=A perimysium=E muscle fiber the smallest part=c
memorize
90
During isometric contraction, the energy used produces movement
false
91
all joints permit some degree of movement
false
92
movement at the hip does not have as wide a range as at the shoulder
true
93
muscles only pull, never push
true
94
Thin filaments, actin, contain a polypeptide substance called g actin that is an active site for myosin attachments
true
95
trapezius=b
trees major
levator =a
memorize
96
What does oxygen deficit represent?
difference bw amount needed and amount actually used
97
which of the following would be recruited later in muscle stimulation when contractile strength increases?
motor units with larger less excitable neurons
98
Myoglobin stores oxygen in
muscle cells
99
which of the following are composed of myosin
the thick filaments
100
the muscle cell membrane is called the?
sarcolemma
101
Fibrous joint that is a peg and socket joint is a?
gomphosis
102
Ligaments that protect the alignment of the tibial and fibril condyles?
cruciate ligaments
103
What are menisci?
semilunar cartilage pads
104
A hip joint is a good example of?
a multiaxial joint
105
What is a muscle that provides a major force proudcing a specific movement called?
an agonist
106
Which of the following statements is true regarding the total number of skeletal muscles in the human body?
there are over 600
107
The term biceps, triceps, quadriceps, tells you what about this muscle
the number of origins
108
In the synaptic cleft of the neuromuscular junction there is a neurotransmitter called?
ACh
109
A fluid filled sac that slides over a tendon
bursa
110
When cross bridges fail to detach due to absent ATP after death
rigormortis
111
Powerful forearm extenson
triceps brachii
112
Reflexes are rapid automatic responses to stimuli
true
113
large diameter nerve fibers conduct impulses much faster that small diameter
true
114
There are 41 pairs of spinal nerves
false
115
Flat EEG is a good indicator of deep sleep
false
116
```
integration center E
sensory neurons C
effector B
motor neuron D
receptor A
```
memorize
117
The patellar knee jerk reflex is an example of?
a stretch reflex
118
gateway to cerebrum
thalamus
119
motor command center
cerebellum
120
survival center
brainstem
121
executive suite
cerebrum
122
visceral command center
hypothalamus
123
this cranial nerve along with one and two is purely somatic sensory
E
124
this nerve along with the abducens ocular motor passes through the superior orbital fissure
C
125
the purely sensory nerve that has two divisions
E
126
one of the alternatives this nerve along with 9 and 12 is primarily and exclusively a motor nerve
C
127
this nerve is characterized by a crossing at the ventral midline of the brain
B
128
The nerve has 3 major branches, the maxillary, mandibular and ophthalmic divisions
D
129
Which of the following is not considered a special somatic?
pain
130
What are the ciliated CNS neuroglia that play an active role in moving CSF called?
ependymal cells
131
Bipolar neurons are commonly found in?
the retina of the eye
132
Which of the following is not a special characteristic of neurons?
they are mitotic
133
Saltatory conduction is made possible by?
a myelin sheath
134
The arbor vitae refers to?
cerebellum white matter
135
The brainstem consists of?
the midbrain, pons and medulla
136
the blood brain barrier is effective against
metabolic waste such as urea
137
Inhibitory post synaptic potential is associated with?
hyperpolarization
138
Which of the following nerves does not arise from your brachial plexus?
phrenic nerve
139
A reflex that causes muscle relaxation
golgi tendon reflex
140
The ___ nerve is the largest of the cranial nerves and provides sensation from 3 branches to our face
trigeminal
