anatomy quiz (wrong answers) Flashcards
what are bundles of muscle fibers called?
fascicles
what are bundles of muscle fibers (fascicles) wrapped in?
perimysium
What is the correct sequence of stages during cleavage?
Zygote, morula, bastocyst, embryo
what is referred pain?
Visceral pain that is sensed as coming from another body part
what type of gland releases its product during exocytosis?
Salivary glands, pancreatic glands, and sweat glands
which lobe of the cerebrum is the visual cortex located?
Occipital lobe
Name the organelles that store neurotransmitter molecules within the distal end of a motor neuron axon
Synaptic vesicles
What is the name of the specialized capillaries that secrete cerebrospinal fluid?
Choroid plexuses
what are the choroid plexuses
made of capillaries and ependymal cells
found in the ventricles of the brain
What body cavity would contain the heart, esophagus, and trachea?
Mediastinum
What ovarian hormone is involved in a positive feedback loop with the hypothalamus and the anterior pituitary?
estrogen
the pancreatic hormones function together to stabilize blood glucose concentration through a negative feedback mechanism. The pancreatic hormone _________ lowers blood glucose levels, and _________raises blood glucose levels
insulin; glucagon
What is an example of a fibrous joint?
The suture in the skull
The formation of sperms cells (spermatogenesis) occurs in the _________ The resultant cell matures in the _________
seminiferous tubules; epididymis
What structure within the eye holds the lens in place?
Ciliary body
Name the functional units of contraction in a muscle fiber
Sarcomeres
What is NOT required for the formation of a blood clot?
Albumin
What is required for the formation of a blood clot?
Prothrombin
Calcium
Fibrinogen
What component of blood typically makes up about 45% of blood volume?
RBC
During the female reproductive cycle, what is the trigger for ovulation?
A surge in blood levels of luteinizing hormone
What blood vessel delivers blood to each glomerulus?
afferent arteriole
Compared to skeletal muscle, smooth muscle _________
takes longer to contract and can stay contracted longer
What is the correct order of vessels as blood flows through the liver?
Sinusoids, central vein, hepatic vein
what is the serous membrane that lines the wall of the abdominal cavity
parietal peritoneum
what is the membrane that covers the surface of the abdominopelvic organs called?
visceral peritoneum
What structure of a neuron is a short, highly branched process that helps receive input from other neurons?
dendrite
what best describes the mechanism of action for steroid hormones on a target cell?
Steroid hormones bind to intracellular receptors
The epidermis is composed of _________, while the dermis is made up mostly of _________
stratified squamous epithelium; connective tissue
When the urinary bladder becomes stretched, there is an increase in the frequency of action potentials traveling from where to where?
The urinary bladder to the sacral region of the spinal cord
Which axons would have the fastest impulse conduction?
Large-diameter myelinated axon
In what direction do gas molecules diffuse at the arterial end of the pulmonary capillaries?
O2 diffuses from the alveoli into the blood, while CO2 diffuses from the blood into the alveoli.
The hypothalamus regulates the activities of the _________ pituitary gland by _________
anterior; secreting hormones that inhibit or stimulate production of hormones
What organ controls the response to stress (general adaptation syndrome)?
Hypothalamus
What is the function of the auditory tube?
conducts air between tympanic cavity and nasopharynx
what type of tissue is blood?
connective
