1) the major cation in cytoplasm is
a) sodium.
b) potassium.
c) calcium.
d) magnesium.
e) iron.
2) urine is eliminated through the
a) liver.
b) urinary bladder.
c) kidney.
d) ureter.
e) urethra.
3) the medullary cords of a lymph node contain ________ lymphocytes and plasma
cells.
a) cytotoxic t
b) medullary
c) nk
d) b
e) cordal
4) the thin partition that separates the first and second ventricles is the
a) falx cerebri.
b) septum pellucidum.
c) septum insula.
d) interventricular foramina.
e) cerebral aqueduct.
5) t cells and b cells can be activated only by
a) pathogens.
b) interleukins, interferons, and colony-stimulating factors.
c) cells infected with viruses, bacteria, or cancer cells.
d) exposure to a specific antigen at a specific site in a plasma membrane.
e) disease-causing agents.
6) erythropoiesis is stimulated when
a) oxygen levels in the blood increase.
b) carbon dioxide levels in the blood decrease.
c) blood flow to the kidney declines.
d) coagulation begins.
e) blood pressure increases.
7) to settle a bet, you need to measure the length of your lower limb (head of femur to
distal condyle of tibia). what landmarks would you use to make the measurement?
8) hydrochloric acid from the stomach is neutralized in the small intestine by:
a) water that was ingested with the food
b) sodium bicarbonate from the pancreas
c) trypsin
d) bile from the liver
e) enzymes from the intestinal crypts
9) each of the following organs is part of the urinary system, except the
a) kidney.
b) urinary bladder.
c) rectum.
d) ureter.
e) urethra.
10) any stimulus that opens ________ ion channel will produce a graded potential.
a) a voltage-gated
b) a chemically-gated
c) a sodium
d) a mechanically-gated
e) all of the answers are correct.
11) cells must synthesize new organic compounds
a) to support growth.
b) to perform structural maintenance or repairs.
c) to produce secretions.
d) to store nutrient reserves.
e) all of the answers are correct.
12) which of the following is a function of the thalamus?
a) secrete cerebrospinal fluid
b) secrete melatonin
c) process sensory information and relay it to the cerebrum
d) store memories
e) regulate food intake
13) cholinergic synapses release the neurotransmitter
a) norepinephrine.
b) adrenalin.
c) serotonin.
d) acetylcholine.
e) gaba.
14) each of the following terms is used to describe the shape of a muscle, except:
a) pectinate
b) piriformis
c) hallucis
d) splenius
e) trapezius