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1) blood returning to the heart from the systemic circuit first enters the
a) right atrium.
b) right ventricle.
c) left atrium.
d) left ventricle.
e) conus arteriosus.
2) excessive abdominopelvic pressure can cause
a) inguinal hernia.
b) diaphragmatic hernia.
c) pneumothorax.
d) diaphragmatic cramp.
e) an inguinal and a diaphragmatic hernia.
3) if an element is composed of atoms with an atomic number of 6 and a mass number
of 14, then a neutral atom of this element contains
a) 6 protons.
b) 8 electrons.
c) 8 neutrons.
d) 6 protons and 8 electrons.
e) 6 protons and 8 neurons.
4)
figure 15-1 spinothalamic tracts
identify the neuron labeled "1"
a) lower motor neuron
b) upper motor neuron
c) first-order neuron
d) second-order neuron
e) ganglionic neuron
5) milly has just received a kidney transplant and is taking cyclosporin a. what does this
medication do?
a) prevents inflammation from destroying the transplanted kidney
b) depresses hematopoiesis
c) decreases chemotaxis of macrophages to the transplanted kidney
d) weakens antibodies in the blood
e) suppresses helper t cells, thus preventing rejection
6) the vitreous body
a) fills the posterior chamber.
b) helps to stabilize the eye and give physical support to the retina.
c) is replaced at the rate of 20 percent per year until middle age.
d) circulates through the pupil.
e) holds the retina against the lens for proper refraction.
7) damage to a joint cartilage is affecting which type of tissue?
a) fluid connective tissue
b) dense connective tissue
c) supporting connective tissue
d) loose connective tissue
e) adipose tissue
8) which of the following is not a lower limb bone?
a) fibula
b) ulna
c) metatarsal
d) patella
e) femur
9) stroke volume depends on
a) end diastolic volume.
b) the contractility of the ventricle.
c) the pressure required to pump blood into the aorta.
d) venous return of blood to the heart.
e) all of the answers are correct.
10)
figure 23-2 mechanics of ventilation
how does the pressure "p4" at label "4" compare to the pressure "p5" at label "5"?
a) p4 is higher than p5 during inhalation and then lower during exhalation.
b) p4 is always be higher than p5.
c) p4 is always lower than p5.
d) p4 always equals p5.
e) p4 is lower than p5 during inhalation and then higher during exhalation.
11) the extraembryonic membrane that gives rise to the urinary bladder is the
a) yolk sac.
b) allantois.
c) amnion.
d) chorion.
e) decidua.
12) which form of endoplasmic reticulum modifies and packages newly synthesized
proteins?
a) ribosomal endoplasmic reticulum
b) proteosomes reticulum
c) raised endoplasmic reticulum
d) smooth endoplasmic reticulum
e) rough endoplasmic reticulum
13) which antibiotic enters the cns without difficulty because it easily crosses the
blood-brain barrier?
a) tetracycline
b) doxycycline
c) sulfadiazine
d) periostat
e) actisite
14) when an external force bends the stereocilia of the inner ear hair cells,
a) the force is converted into mechanical energy.
b) the hair cells are temporarily damaged.
c) there is a change in the transmembrane potential of the hair cells.
d) dizziness results.
e) the cells become unresponsive.
15) the structure that marks the division between the right and left lobes of the liver is
the
a) lesser omentum.
b) greater omentum.
c) falciform ligament.
d) ligamentum teres.
e) hepatic ligament.
16) fatty folds of skin that encircle and partially conceal the labia minora and vestibule
are the
a) fornices.
b) ampullae.
c) labia majora.
d) mons pubis.
e) vestibular arches.
17) intramembranous ossification
a) produces flat bones as in the bones of the roof of the skull.
b) explains how a juvenile's bone can grow in length.
c) occurs in the diaphysis of a long bone.
d) occurs inside a bag of cartilage.
e) occurs in all bones before birth.
18) the level of erythropoietin in the blood would rise due to all of the following,
except
a) during anemia.
b) at high altitudes.
c) as a consequence of hemorrhage.
d) during periods of fasting.
e) when blood flow to the kidneys is disrupted.
