Final-old test Flashcards
the amino group of amino acids is incorporated into a nitrogenous waste called
urea
the portion of the neuron that contains the majority of the cytoplasm, nucleus and organelle
axon
which of the following is a characteristic of cardiac muscle fibers
they are involuntary
compared to cardiac muscle fibers, skeletal muscle fibers
are voluntary
which of the following is not a step in the formation of urine
micurition
secretion takes place in the
the renal tubule
which of the following is not a function of the kidneys
production of epinphrine
the blood filtering structure of the kidney is called
glomerulus
the urine forming units of the kidney are the
nephron
which of the following factors contributes to the higher filtration rate in the glomerular compared with other capillary beds
(all of above)
a. the glomerular capillaries are sinosoidal
b. the diameter of the efferent arteriole is smaller than the diameter of the afferent arteriole
c. the visceral layer of the glomerular capsule is impermeable to fluids and solutes
which of the following process in urine formation is most important for regulating blood Ph
secretion
which of the following constitutes a nitrogenous wast component of urine that is a product of muscle catablism
creatinine
which of the following is not a nitrogenous waste produced during direct phosphorlation of ADP during muscle metabolism
a. lactic acid
b. uric acid
c. urea
d. creatine
(all of these)
which of the following processes results in the removal of nitrogenous group from aminio acids
deamination
the majority of reabsorpiton during urine formation occurs in the
renal tubule
the sympathetic division is part of which of these
autonomic nervous system
a general neurotransmitter involved in brain function and perception of pain is
acetylcholine
diploid bodily cells are called
somatic cells
which of the following is a nociceptor
pain receptor
which of the following is a nociceptor
pain receptor
which of the following is not a neurotransmitter
acetylcholine esterase
which of the following is an example of an autosomal recessive genetic disease caused by a missing/malformed chloride ion transport protien
cystic fibrosis
siter chromatids are formed after
cell divsion
when ______ are stimulated oxytocin is secreted, which initiates uterine contraction and mammary gland ejection of milk
papillae of breast
which of the following pairs of hormones plays regulatory roles in ovulation in females and sperm production in males?
FSH and LH
at which fo the following does the chromosome number become reduced from diploid to haploid
cytokinesis
the state of the embryo development characterized by the invagination of cells which ultimately produce the coelom, the fundamental emryonic layers and the beginnings of the GI tract and digestive stystem orgains is called
blastulation
an intensely painful stimulus would be detected by
the dendrites of a nociceptor
as spermatogenic cells differentiate into mature sperm, they migrate towards ….
the lumen of the sueminiferous tubule
as spermatids develop into mature sperm cells, they produce a motility structure called the
flagellum
the energy generating region of a mature sperm cell is called the
mid piece
the implantation of the zygote into tissue outside the endometrium is called….
ectopic pregnancy
the mitochondria are sometimes referred to as the ___ of the cell.
refineries