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is a 40-question final examination. Each question is worth 0.5 point.
The study of tissues is
In a negative
feedback mechanism, the response of the effector
a. reverses the original stimulus
enhances the original stimulus
has no effect on the original stimulus
is usually damaging to the body
creates a cycle that leads away from homeostasis
Covalent bonds form
atomic nuclei fuse
molecules become ionized
neutrons are transferred from one atom to another
protons are lost from atoms
e. electrons are shared between two atoms
Reactions that use
water to split molecules apart are called _______ reactions.
are the body’s source of immediate energy
are the building blocks of nucleotides
c. provide much of the structure of body cells and tissues
contain the genetic information of the cell
insulate and cushion the body
separates the nucleus from the rest of the cell
is a rigid protein membrane
is not permeable
has a single layer of phospholipids
e. regulates movement of materials into and out of the
are binding sites for other molecules
utilize the G protein complex to function
are found only on endoplasmic reticulum
allow cells to recognize one another
e. provide a “door” through which extracellular
molecules can enter the cell
Which of the
following is a function of epithelial tissue?
conduction of action potentials
b. secretion and absorption of molecules
support of other tissue types
a. functions as an insulator and a site of energy storage
exists in three forms: yellow, red, and brown
contains large amounts of extracellular matrix
is composed of relatively small cells
does not contain lipids
Skin color is the
result of the
a. quantity of melanin in the skin
number of keratinocytes in the skin
amount of fat in the hypodermis
thickness of the stratum basale
number of melanocytes in the skin
What does structure
“B” represent on the diagram?
a. hair follicle
b. arrector pili
e. sebaceous gland
blood calcium levels are low
b. calcitonin secretion
c. calcium absorption is
d. bones produce more bone
e. osteoblast activity
does structure “A” represent on the bone diagram?
a. cancellous bone
c. epiphyseal lines
does structure “A” represent?
figure illustrates bones of the right upper limb. What does
figure illustrates bones of the right lower limb. What does
joint between the head of the radius and the proximal end of the ulna is
a _____ joint.
e. ball and socket
does structure “A” represent on the diagram?
b. articular cartilage
d. fibrous capsule
e. synovial membrane
of the following is composed of myosin molecules?
b. I Bands
c. Z disks
does “B” represent on the diagram?
depolarization phase of
d. repolarization phase of
flexion of the elbow represents a
a. class I lever system
b. class II lever system
class III lever system
d. class IV lever system
e. non-lever system
muscle “A” on the diagram.
a. orbicularis oculi
does “A” represent?
c. pectoralis major
d. biceps brachii
e. serratus anterior
central nervous system includes the
c. spinal nerves
d. cranial nerves
e. sensory receptors
structure “A” on the neuron.
a. Schwann cell
b. Node of Ranvier
c. neuron cell body (soma)
figure is a process figure of the chemical synapse. What does
a. postsynaptic membrane
b. synaptic cleft
c. synaptic vesicle
d. voltage-gated calcium
of the following combinations indicates the correct distribution of
spinal nerve pairs?
a. 7 cervical – 12 thoracic
– 6 lumbar – 5 sacral – 1 coccygeal
b. 7 cervical – 12 thoracic
– 5 lumbar – 6 sacral – 1 coccygeal
c. 8 cervical – 12 thoracic
– 6 lumbar – 4 sacral – 1 coccygeal
8 cervical – 12 thoracic
– 5 lumbar – 5 sacral – 1 coccygeal
e. 7 cervical – 13 thoracic
– 6 lumbar – 5 sacral – 1 coccygeal
component “A” on the reflex arc.
a. sensory receptor
b. effector organ
c. sensory neuron
small lesion in the brainstem which resulted in a rapid heart rate,
intense vasoconstriction, and elevated blood pressure would probably be
located in the
a. consists of a broad band
of gray matter
b. is found at the base of
the transverse fissure
is a band of commissural
fibers that connects the right cerebral hemisphere to the left cerebral
d. connects the frontal
lobe to the occipital lobe
e. connects the frontal
lobe to the parietal lobe
nerve has branches that extend to the thoracic and abdominal viscera?
a. facial nerve
c. trigeminal nerve
d. glossopharyngeal ner
of the following is a somatic sense?
area “A” on the cerebral cortex.
a. visual cortex
primary motor cortex
c. primary somatic sensory
d. motor speech area
e. sensory speech area
figure is a sagittal section of the eye. What does “A”
of the following is NOT an effector controlled by the autonomic nervous
a. cardiac muscle
d. smooth muscle in blood
e. smooth muscle in the
structure “C” on the bottom diagram.
a. autonomic ganglion
b. somatic motor neuron
c. effector organ (smooth
muscle of GI tract)
e. preganglionic neuron
neurotransmitters into ducts
secretes chemicals that
reach their targets through the bloodstream
c. communicates via
d. contains organs called
e. is isolated from the
the following events in the intracellular receptor model:
1: Hormone receptor complex binds
2: Messenger RNA directs synthesis of specific proteins.
3: Hormone binds to receptors either in cytoplasm or nucleus.
4: Messenger RNA synthesis is activated.
5: Synthesized proteins produce the response of the cell.
Which of these events occurs in the nucleus?
a. 1, 3, 5
1, 3, 4
c. 1, 2, 3
d. 3, 4, 5
e. All events occur in the
a. rests in the sella
b. is also called the
c. is located inferior to
the pituitary gland
regulates the secretory activity
of the pituitary gland
e. is located superior to
major secretory products of the zona glomerulosa of the adrenal cortex
e. cortisol and ADH