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While volunteering in an outpatient clinic for underprivileged families in your
neighborhood, you observe the nurse assessing an infant. The mother had complained
about the baby not eating and having several episodes of diarrhea lasting 3 days. You
know the nurse suspects possible dehydration when she
A) checks the anterior fontanel for depression.
B) points out the dryness of the infant's diaper.
C) checks the infant's reflexes.
D) questions the mother about normal feeding habits.
E) weighs the infant.
After the precapillary arteriole, blood enters a(n)
A) venule.
B) anastomosis.
C) precapillary sphincter.
D) capillary bed.
E) thoroughfare channel.
A sign of thrombocytopenia would be
A) a drop in oxygen-carrying capacity.
B) allergic reactions.
C) bacterial infections.
D) excessive clotting.
E) bleeding.
The condition known as ________ is characterized by the formation of fatty plaques
within the wall of arteries.
A) arthritis
B) arteriosclerosis
C) stenosis
D) atherosclerosis
E) multiple sclerosis
Figure 20-2 Cardiac Cycle
What occurs at the area labeled "D" on the graph?
A) AV valve opens.
B) Semilunar valve opens.
C) Diastolic filling begins.
D) AV valve opens and filling of ventricles begins.
E) Ventricle contracts.
An infant born ________ prematurely has a good chance of survival.
A) 1.5 months
B) 3 months
C) 5 months
D) 7 months
Match the organelle (1-4) with the correct description (5-8).
A) 1 and 7, 2 and 6, 3 and 8, 4 and 5
B) 1 and 8, 2 and 5, 3 and 6, 4 and 7
C) 1 and 7, 2 and 8, 3 and 5, 4 and 6
D) 1 and 5, 2 and 6, 3 and 7, 4 and 8
E) 1 and 6, 2 and 8, 3 and 5, 4 and 7
Receptor molecules on the surface of cells bind specific molecules called, in general,
A) recognizers.
B) binders.
C) ligands.
D) bonders.
E) reactants.
The cytoplasm contains the fluid cytosol and the suspended
A) microvilli.
B) nucleolus.
C) enzymes.
D) organelles.
E) cilia.
PRL is to ________ as ADH is to ________.
A) prolactin; vasopressin
B) oxytocin; mammotropin
C) gonadotropin; mammotropin
D) oxytocin; cortisol
Mary is 50 years old and has entered menopause. During a checkup, a bone scan reveals
the beginnings of osteoporosis. Her physician suggests hormone therapy. What
hormone might she prescribe for Mary?
A) thyroid hormone
B) growth hormone
C) estrogen
D) parathyroid hormone
E) calcitonin
The skull and vertebral column are part of the ________ skeleton.
A) axial
B) apical
C) appendicular
D) articulated
E) sagittal
An increase in the rate of action potentials from baroreceptors will trigger a reflex to
A) increase heart rate.
B) decrease heart rate.
C) decrease blood pressure.
D) both decrease heart rate and decrease pressure.
E) both increase heart rate and increase pressure.
Which tissue is located in the region labeled "2"?
A) stratified squamous epithelium
B) areolar connective tissue
C) adipose tissue
D) cartilage and blood
E) reticular connective tissues
The three familiar states of matter are solids, liquids, and
A) globules.
B) fibroids.
C) gases.
D) crystals.
E) vapors.
The pressure difference between the base of the aorta and the right atrium is the
________ pressure.
A) systemic
B) systolic
C) pulse
D) mean arterial
E) circulatory
________ is a fluid similar to cerebrospinal fluid that fills the space between the bony
labyrinth and the membranous labyrinth
A) Perilymph
B) Endoplasma
C) Interstitial fluid
D) Endolymph
E) Blood
