1) the depolarization of the pacemaker action potential spreads to adjacent cells through
a) gap junctions.
b) tight junctions.
c) chemical synapses.
d) desmosomes.
2) below are results of a blood analysis for a patient undergoing chemotherapy. the left
two sets of bars, labeled “min” and “max,” represent the target values for each cell type.
the other sets of bars depict the results of blood counts done on the corresponding days
after chemotherapy was administered. please answer the following questions.
a.according to the graph, which type of formed elements reached normal values first?
b. which kind came closest to its maximum value?
c.on day 10, which of the following sets of symptoms/characteristics would the patient
most likely
exhibit?
1> pale and easily fatigued
2> likely to bruise easily or bleed excessively
3> be at high risk for infections
explain your choice.
3) a primary target tissue for insulin is the
a) brain only.
b) liver only.
c) intestine only.
d) brain and liver.
e) brain, liver, and intestine.
4) anions will ________ each other.
a) attract
b) repel
c) not react with
5) match the change with the cardiovascular event described.
a. increased
b. decreased
c. unchanged
d. stopped
joey develops a medical condition that decreases his blood viscosity. assuming no other
change (e.g., no compensatory reflex), what happens to his blood pressure?
6) match the following plasma proteins with the correct function.
a. albumins
b. globulins
c. fibrinogen
d. transferrin
e. antibodies
bind(s) with iron in the blood
7) for the structures listed below, choose one of the following:
a. structure is composed of gray matter
b. structure is composed of white matter
corticospinal tracts
8) cell membranes are said to be
a) impermeable.
b) freely permeable.
c) selectively permeable.
d) actively permeable.
e) none of the answers are correct.
9) the axon is connected to the cell body by the
a) myelin sheath.
b) axon terminal.
c) collaterals.
d) axon hillock.
e) synapse.
10) regarding the cardiovascular system, the main role(s) of the kidneys is/are to
a) restore lost fluid to the blood and therefore raise blood pressure.
b) minimize fluid loss from the blood and therefore maintain blood pressure.
c) reduce blood volume and therefore reduce blood pressure.
d) restore lost fluid to the blood and therefore raise blood pressure and minimize fluid
loss from the blood and therefore maintain blood pressure.
e) minimize fluid loss from the blood and therefore maintain blood pressure and reduce
blood volume and therefore reduce blood pressure.
11) how does the beta cell in the pancreas react to release insulin when glucose levels
are low?
12) sperm cells are produced by the process of ________.
13) ________ proteins extend all the way across the cell membrane.
14) explain the processes that lead to the exocytosis of neurotransmitter from a
presynaptic cell. which components are recycled? which ion is important in triggering
exocytosis?
15) the two types of cholinergic receptors are ________ and ________.
16) on the row of cells indicated below, match a-e to the terms in the following
question.
figure 3.1
apical surface
17) susan’s doctor has detected benign uterine fibroid tumors. jane’s doctor has detected
early-stage malignant vaginal tumors. sarah’s doctor has detected late-stage malignant
ovarian tumors. which branch of the immune system would respond to these
conditions? what would analysis of the nearby lymph nodes of these women reveal?
what is the prognosis for each woman? explain.
18) the sex hormones that regulate the male and female reproductive organs are
collectively called ________.