WorksheetsPart 2 Final Examination AnaPhy
Total questions: 50
Worksheet time: 50mins
The mechanical force of contraction is generated by ________.
shortening of the thick filaments
shortening of the thin filaments
a sliding of thin filaments past thick filaments
the "accordion-like" folding of thin and thick filaments
a neurotransmitter that stimulates skeletal muscle to contract
(a)
Which of the following is NOT a function of the skeletal system?
storage of fat and minerals
support the body
protection of soft body organs
regulation of blood pressure
What bones protect the spinal cord?
ribs
sternum
vertebrae
coxal bones
Mothers who breast-feed their children will lose a percentage of calcium from their bones. Which hormone is responsible for raising blood calcium levels when they drop below homeostatic levels?
calcitonin
parathyroid hormone (PTH)
insulin
growth hormone
The first step in bone healing involves the formation of a blood-filled swelling known as a(n) ________.
epiphyseal line
bony callus
hematoma
fibrocartilage callus
An incomplete bone break, known as a(n) ________ fracture, is commonly seen in children.
spiral
greenstick
impacted
comminuted
The skull, vertebral column, and thoracic cage form the ________ skeleton.
appendicular
central
axial
main
The large hole located in the base of the occipital bone that allows the spinal cord and brain to connect is the ________.
occipital condyle
vertebral foramen
intervertebral foramen
foramen magnum
Two or more bones meet at a location called a(n) ________.
fracture
hematoma
articulation (joint)
marrow cavity
Julie experienced a break in the shaft of her femur. What part of her bone was fractured?
epiphysis
epiphyseal plate
articular cartilage
diaphysis
The femur, tibia, humerus, and radius are all classified as ________.
compact bones
irregular bones
flat bones
long bones
The presence of an epiphyseal plate indicates that ________.
bone length is no longer increasing
one length is increasing
bone diameter is increasing
bone diameter is decreasing
What does collagen provide as a component of bone?
elasticity
hardness
flexibility
brittleness
Which of the following is only found associated with a child's bone?
diaphysis
marrow cavity
epiphyseal plate
periosteum
What type of bone cell is primarily active when bone growth occurs?
osteocyte
erythrocyte
chondrocyte
osteoblast
There are four stages in the healing of a bone fracture. Which of the following best illustrates the sequence of these stages?
1. bony callus formation 3. fibrocartilage callus formation
2. bone remodeling 4. hematoma formation
4, 3, 2, 1
4, 3, 1, 2
1, 2, 3, 4
1, 3, 4, 2
Which of the following could create an open, or compound, fracture?
when the bone is crushed
when the broken bone ends are forced into each other
when the broken bone penetrates through the skin
when the bone is broken into many fragments
A bone fracture that results in the bone being broken into many fragments is a ________.
compound fracture
simple fracture
comminuted fracture
compression fracture
The physician knew her patient was most likely a child before she walked into the examination room because the X-ray revealed a(n) ________.
impacted fracture
compression fracture
comminuted fracture
greenstick fracture
The axial skeleton contains ________.
1. skull
2. scapula
3. true and false ribs
4. vertebrae
5. phalanges
1, 3, 4, 5
1, 3, 4
2, 5
vertebr2, 3, 4, 5ae
Racial variations in skin color are determined by
the number of melanocytes
the amount and type of melanin produced.
the distribution and deposition of melanin.
Both "the number of melanocytes" and "the distribution and deposition of melanin produced" are correct.
Gustatory hairs are to taste as olfactory hairs are to ________.
sight
hearing
dynamic equilibrium
smell
Which of the following are major functions of the nervous system? Select ALL that apply.
Receive sensory input
Integrate information
Maintain homeostasis
Control muscles and glands
In a neuron, short, branching cytoplasmic extensions that receive information and carry it to the cell body are called ________.
dendrites
axons
cell bodies
axon hillock
Axons
may branch to form collateral axons.
have an axon hillock which is devoid of Nissl bodies.
are often surrounded by a myelin sheath.
All of the choices are correct.
White matter of the central nervous system
is formed by nerve cell bodies and their dendrites
is formed by bundles of parallel axons with their myelin sheaths.
forms the cortex of the brain.
All of the choices are correct.
The ________ consists of the brain and spinal cord.
central nervous system
somatic nervous system
sympathetic division of the autonomic nervous system
parasympathetic division of the autonomic nervous system
Receptors in certain blood vessels detect changes in blood pressure. When blood pressure begins to rise, some of these receptors send signals to the medulla, which then sends signals to the heart to alter heart rate, thereby reducing blood pressure. Which function of the nervous system is illustrated in this example? Select ALL that apply
Receiving sensory input
Integrating information
Controlling muscles and glands
Maintaining homeostasis
The letter A represents which structure on this figure of a neuron?
Dendrite
Axon
Axon hillock
Node of Ranvier
Charlotte burned the top of her tongue on a hot slice of pizza. What type of taste bud was damaged?
vallate papillae
foliate papillae
circumvallate papillae
fungiform papillae
Stimulation of sour receptors occurs in response to ________.
lemons
mushrooms
sugar
steak
Which of the following hormones is released by the corpus luteum after ovulation and causes a negative-feedback loop with the hypothalamus and the anterior pituitary?
(a)
The release of estrogen from the ovaries stimulates the release of GnRH from
(a)
True or False? Progesterone has a negative-feedback effect on GnRH and LH.
True
False
Which of the following describes meiosis II in humans?
4N -> 2N
2N -> 2N
2N -> 1N
1N -> 1N
Spermatogenesis occurs in the
(a)
During spermatogenesis, which of the following cells is the first to become haploid?
Primary spermatocyte
Secondary spermatocyte
Sperm cells
Spermatid
True or False? Meiosis II of spermatogenesis results in the formation of secondary spermatocytes.
True
False
Each spermatid
divides by meiosis to produce four sperm cells.
divides by mitosis to produce four sperm cells.
divides by meiosis to produce two sperm cells.
differentiates into a sperm cell.
Which of the following is involved in ovulation?
Primordial follicle
Primary follicle
Secondary follicle
Mature follicle
Luteinizing hormone (LH) binds to interstitial (Leydig) cells and
inhibits Sertoli cells.
promotes sperm cell production by the Leydig cells.
decreases testosterone production by the Leydig cells.
increases testosterone production by the Leydig cells.
The ovary is attached to the superior margin of the uterus by the
mesovarium.
broad ligament.
ovarian ligament.
suspensory ligament.
Which reproductive function is a function solely of the female reproductive system?
Production of reproductive hormones
Fertilization
Production of gametes
Development and nourishment of a new individual
List the following structures in the order in which sperm would pass through them from the seminiferous tubules to the urethra.
1. Ductus deferens (vas deferens)
2. Efferent ductules
3. Epididymis
4. Ejaculatory duct
5. Rete testis
5, 3, 2, 1, 4
3, 2, 4, 1, 5
5, 2, 3, 1, 4
5, 2, 4, 3, 1
Which of the following glands is correctly matched with its function?
Seminal vesicles—Provide nutrients for sperm
Prostate—Lubricates the penis during intercourse
Bulbourethral glands—Produce a thin, sweet fluid
Testes—Produce most of the semen
During the female sex act,
the clitoris becomes engorged with blood.
vaginal mucoid secretions are reduced.
vaginal, uterine, and perineal muscles relax.
an orgasm always occurs to ensure fertilization.
During cold weather, this muscle contracts causing the scrotum to reduce in size and become wrinkled.
(a)
The skeletal system aids in movement by
contracting and generating tension.
providing points of attachment for muscles to provide leverage.
releasing the energy needed for muscle contraction.
All of the choices are correct.
Bones is a type of
cartilage.
epithelial tissue.
muscle tissue.
connective tissue.
