Solved by a verified expert:1. The study of tissues is
a. cytology
b. histology
c. molecular biology
d. microbiology
e. surface anatomy
2. In a negative feedback mechanism,
the response of the effect or
a. reverses the original stimulus
b. enhances the original stimulus
c. has no effect on the original
stimulus
d. is usually damaging to the body
e. creates a cycle that leads away
from homeostasis
3. Covalent bonds form when
a. atomic nuclei fuse
b. molecules become ionized
c. neutrons are transferred from one
atom to another
d. protons are lost from atoms
e. electrons are shared between two
atoms
4. Reactions that use water to split
molecules apart are called _______ reactions.
a. dehydration
b. synthesis
c. hydrolysis
d. reversible
e. oxidation
5. Proteins
a. are the body’s source of immediate
energy
b. are the building blocks of
nucleotides
c. provide much of the structure of
body cells and tissues
d. contain the genetic information of
the cell
e. insulate and cushion the body
6. The plasma membrane
a. separates the nucleus from the rest
of the cell
b. is a rigid protein membrane
c. is not permeable
d. has a single layer of phospholipids
e. regulates movement of materials
into and out of the cell
7. Channel proteins
a. are binding sites for other
molecules
b. utilize the G protein complex to
function
c. are found only on endoplasmic
reticulum
d. allow cells to recognize one
another
e. provide a “door” through which
extracellular molecules can enter the cell
8. Which of the following is a
function of epithelial tissue?
a. conduction of action potentials
b. secretion and absorption of
molecules
c. support of other tissue types
d. contraction
e. shock absorption
9. Adipose tissue
a. functions as an insulator and a
site of energy storage
b. exists in three forms: yellow, red,
and brown
c. contains large amounts of
extracellular matrix
d. is composed of relatively small
cells
e. does not contain lipids
10. Skin color is the result of the
a. quantity of melanin in the skin
b. number of keratinocytes in the skin
c. amount of fat in the hypodermis
d. thickness of the stratum basale
e. number of melanocytes in the skin
11. What does structure “B” represent
on the diagram?
a. hair follicle
b. arrector pili
c. dermis
d. hypodermis
e. sebaceous gland
12. When blood calcium levels are low
a. osteoclast activity increases
b. calcitonin secretion increases
c. calcium absorption is reduced
d. bones produce more bone tissue
e. osteoblast activity increases
13. What does structure “A” represent
on the bone diagram?
a. cancellous bone
b. Diaphysis
c. epiphyseal lines
d. articular cartilage
e. epiphysis
14. What does structure “A” represent?
a. frontal bone
b. occipital bone
c. parietal bone
d. sphenoid bone
e. temporal bone
15. The figure illustrates bones of
the right upper limb. What does “A” represent?
a. radius
b. carpals
c. phalanges
d. metacarpals
e. ulna
16. The figure illustrates bones of
the right lower limb. What does “C” represent?
a. femur
b. fibula
c. tarsals
d. tibia
e. patella
17. The joint between the head of the
radius and the proximal end of the ulna is a _____ joint.
a. plane
b. saddle
c. hinge
d. pivot
e. ball and socket
18. What does structure “A” represent
on the diagram?
a. tendon
b. articular cartilage
c. bursa
d. fibrous capsule
e. synovial membrane
19. Which of the following is composed
of myosin molecules?
a. thick myofilaments
b. I Bands
c. Z disks
d. Sarcolemma
e. tropomyosin
20. What does “B” represent on the
diagram?
a. threshold
b. depolarization
c. depolarization phase of action
potential
d. repolarization phase of action
potential
21. The flexion of the elbow
represents a
a. class I lever system
b. class II lever system
c. class III lever system
d. class IV lever system
e. non-lever system
22. Label muscle “A” on the diagram.
a. orbicularis oculi
b. temporalis
c. trapezius
d. sternocleidomastoid
e. masseter
23. What does “A” represent?
a. coracobrachialis
b. deltoid
c. pectoralis major
d. biceps brachii
e. serratus anterior
24. The central nervous system
includes the
a. ganglia
b. spinal cord
c. spinal nerves
d. cranial nerves
e. sensory receptors
25. Identify structure “A” on the
neuron.
a. Schwann cell
b. Node of Ranvier
c. neuron cell body (soma)
d. dendrites
e. axon
26. The figure is a process figure of
the chemical synapse. What does “C” represent?
a. postsynaptic membrane
b. synaptic cleft
c. synaptic vesicle
d. voltage-gated calcium channel
e. presynaptic terminal
27. Which 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
d. 8 cervical – 12 thoracic – 5 lumbar
– 5 sacral – 1 coccygeal
e. 7 cervical – 13 thoracic – 6 lumbar
– 5 sacral – 1 coccygeal
28. Label component “A” on the reflex
arc.
a. sensory receptor
b. effector organ
c. sensory neuron
d. motor neuron
e. interneuron
29. A 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. medulla oblongata.
b. Pons
c. Cerebellum
d. Hypothalamus
e. cerebrum
30. The corpus callosum
a. consists of a broad band of gray
matter
b. is found at the base of the
transverse fissure
c. is a band of commissural fibers
that connects the right cerebral hemisphere to the left cerebral hemisphere
d. connects the frontal lobe to the
occipital lobe
e. connects the frontal lobe to the
parietal lobe
31. Which nerve has branches that
extend to the thoracic and abdominal viscera?
a. facial nerve
b. vagus nerve
c. trigeminal nerve
d. glossopharyngeal ner
32. Which of the following is a
somatic sense?
a. smell
b. taste
c. touch
d. sound
e. sight
33. Label area “A” on the cerebral
cortex.
a. visual cortex
b. primary motor cortex
c. primary somatic sensory cortex
d. motor speech area (Broca’s area)
e. sensory speech area (Wernicke’s
area)
33. The figure is a sagittal section
of the eye. What does “A” represent?
a. iris
b. pupil
c. lens
d. conjunctiva
e. cornea
34. Which of the following is NOT an
effector controlled by the autonomic nervous system?
a. cardiac muscle
b. glands
c. skeletal muscle
d. smooth muscle in blood vessels
e. smooth muscle in the digestive
system
35. Identify structure “C” on the
bottom diagram.
a. autonomic ganglion
b. somatic motor neuron
c. effector organ (smooth muscle of GI
tract)
d. postganglionic neuron
e. preganglionic neuron
36. The endocrine system
a. releases neurotransmitters into
ducts
b. secretes chemicals that reach their
targets through the bloodstream
c. communicates via frequency-modulated
signals
d. contains organs called exocrine
glands
e. is isolated from the nervous system
Consider the following events in the
intracellular receptor model:
1: Hormone receptor complex binds to DNA.
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.
37. Which of these events occurs in
the nucleus?
a. 1, 3, 5
b. 1, 3, 4
c. 1, 2, 3
d. 3, 4, 5
e. All events occur in the nucleus
38. The hypothalamus
a. rests in the sella turcica
b. is also called the neurohypophysis
c. is located inferior to the
pituitary gland
d. regulates the secretory activity of
the pituitary gland
e. is located superior to the thalamus
39. The major secretory products of
the zona glomerulosa of the adrenal cortex are
a. glucocorticoids
b. mineralocorticoids
c. androgens.
d. catecholamines
e. cortisol and ADH
Recent Comments