MUSCULAR SYSTEM
SKELETAL SYSTEM
1. A sarcomere
A. is
a section of a myofibril.
B. gets
shorter when it contracts.
C. has
striations.
D. All
of the choices are correct.
2. During muscular contraction
A. actin
and myosin filaments slide past each other.
B. ATP
supplies energy.
C. calcium
ions (Ca++) are involved.
D. all
of the above
3. At a neuromuscular junction,
A. a
nerve impulse causes the release of a neurotransmitter.
B. a
neurotransmitter causes calcium to be released into the muscle cell.
C. A
& B
D. none
of the above
4. Which is NOT a function of muscles?
A. cause
movement
B. produce
heat
C. absorb
nutrients
D. maintain
posture
5. A skeletal muscle cell
A. has
light and dark bands (striations).
B. has
only one nucleus.
C. is
under involuntary control.
D. None
of the above are true
6. The origin of the biceps brachii is
A. the
attachment of the muscle that remains relatively fixed during contraction.
B. the
scapula.
C. proximal
radius.
D. A
& B
7. The stages in muscle contraction include a
A. nerve
impulse reaching a neuromuscular junction.
B. nerve
impulse stimulating the release of calcium ions.
C. actin
filaments sliding past myosin filaments.
D. all
the above are true
8. The functional unit of a muscle fiber is the
A. sarcomere.
B. myofilament.
C. myofibril.
D. neuromuscular
junction.
9. Which of the following statements is NOT true about
muscle activity.
A. Muscles
can only pull, they never push.
B. All
muscles have at least two attachments: the origin and insertion.
C. During
contraction, the muscle origin moves toward the insertion.
D. All
muscles cross at least one joint.
10. Muscle fatigue is due, in part, to the accumulation
of
A. lactic
acid.
B. citric
acid.
C. ATP.
D. ACTH.
ANSWER
1. D 2. D 3. C 4. C 5. A 6. D 7. D 8. A 9. C 10. A
SKELETAL SYSTEM
1. All of the following are functions of the skeletal system EXCEPT
A. support
B. blood cell production
C. calcium storage
D. excretion
2. The shaft of a long bone is called
A. epiphysis.
B. diaphysis.
C. periosteum.
D. endosteum.
3. Osteoclasts
A. deposit calcium into bone.
B. destroy bone matrix.
C. are a type of white blood cell.
D. A and C are correct.
4. Fat is stored in
A. compact bone.
B. spongy bone.
C. red bone marrow.
D. yellow bone marrow.
5. All of the following are facial bones EXCEPT
A. nasal bone
B. maxilla
C. mandible
D. ethmoid bone
6. Which of the following is a cranial bone?
A. vomer bone
B. lacrimal bone
C. zygomatic bone
D. sphenoid bone
7. The bone that does not articulate with any other bone is the
A. vomer bone.
B. zygomatic bone.
C. hyoid bone.
D. ethmoid bone.
8. All of the following are bones of the thorax EXCEPT
A. clavicle
B. sternum
C. true ribs
D. false ribs
9. The pelvic girdle consists of the
A. humerus and radius.
B. ulna and radius.
C. hip bones.
D. clavicle and scapula.
10. The bone of the upper arm is the
A. radius.
B. ulna.
C. humerus.
D. femur
ANSWER
1. D 2. B 3. B 4. D 5. D 6. D 7. C 8. A 9. C 10. C
BLOOD
1. Which of the following are functions of the blood?
A. transportation
B. regulation
C. protection
D. all
of the above
2. The blood volume of an averaged sized male is
A. 3
to 4 liters.
B. 4
to 5 liters.
C. 5
to 6 liters.
D. 6
to 7 liters.
3. Which of the following belongs to agranular
leukocytes?
A. neutrophil
B. basophil
C. platelet
D. monocyte
4. Which of the following cells do NOT have a nucleus?
A. erythrocytes
B. granulocytes
C. leukocytes
D. agranulocytes
5. The pigment in red blood cells that carries oxygen is
A. erythropoietin.
B. melatonin.
C. hemoglobin.
D. urobilinogen.
6. An increase in the number of white blood cells is
called
A. anemia.
B. leukopenia.
C. leukocytosis.
D. polycythemia.
7. Stoppage of bleeding is called
A. hemostasis.
B. vascular
spasm.
C. thrombosis.
D. coagulation.
8. Heredity deficiencies of coagulation is referred to as
A. anemia.
B. hemophilia.
C. hemolysis.
D. leukemia.
9. A blood clot transported by the blood stream is a(n)
A. platelet
plug.
B. thrombus.
C. embolus.
D. thrombin
clot.
10. A person with blood type A has
A. B
antigens on the red blood cells.
B. A
antibodies in the plasma.
C. A
antigens on the red blood cells.
D. Rh
antigen on the red blood cells
ANSWER
1. D 2. C 3. D 4. A 5. C 6. C 7.A 8.B 9.C 10. C
CARDIOVASCULARE
1. The layer of simple squamous epithelium that lines the
inside of the heart is called
A. myocardium.
B. pericardium.
C. endocardium.
D. epicardium.
2. Blood transported by the pulmonary veins returns to
the
A. left
atrium.
B. right
atrium.
C. right
ventricle.
D. left
ventricle.
3. The valve between the left ventricle and the blood
vessel leaving the left ventricle is the
A. bicuspid
valve.
B. tricuspid
valve.
C. pulmonary
semilunar valve.
D. aortic
semilunar valve.
4. The bulk of the heart consists of
A. cardiac
muscle.
B. smooth
muscle.
C. striated
muscle.
D. connective
tissue.
5. The valve located between the right atrium and the right ventricle is the
A. tricuspid valve.
B. bicuspid valve.
C. mitral valve.
D. semilunar valve.
6. Blood vessels that carry blood away from the heart are
called
A. arteries.
B. veins.
C. capillaries.
D. All
of the above.
7. The smallest type of blood vessels are
A. arteries.
B. arterioles.
C. venules.
D. capillaries.
8. Blood pressure is highest in the
A. arteries.
B. arterioles.
C. veins.
D. capillaries.
9. Which of the following increase(s) blood pressure?
A. increased
cardiac rate
B. increased
peripheral resistance
C. increased
blood volume
D. All
of the above.
10. The pulse is a direct reflection of the
A. cardiac output.
B. blood pressure.
C. venous return.
D. heart beat.
ANSWER
1. C 2. A 3. D 4. A 5. A 6. A 7. D 8. A 9. D 10 . D
DIGESTIVE SYSTEM
1. Which of the following is NOT an accessory structure
of the digestive system?
A. liver
B. gallbladder
C. pancreas
D. spleen
2. Salivary amylase secreted into the oral cavity starts
the digestion of
A. proteins.
B. starch.
C. lipids.
D. amino
acids.
3. The pancreatic duct transports secretions from the
pancreas to the
A. stomach.
B. duodenum.
C. liver.
D. colon.
4. All of the following are substances found in
pancreatic juice except
A. pepsin.
B. trypsin.
C. amylase.
D. lipase.
5. Bile is produced in the
A. liver.
B. small
intestine.
C. pancreas.
D. stomach.
6. The final portion of the small intestine is the
A. ileum.
B. duodenum.
C. jejunum.
D. colon.
7. The first portion of the large intestine is the
A. colon.
B. cecum.
C. anal
canal.
D. rectum.
8. The term metabolism refers to
A. anabolic
reactions.
B. catabolic
reactions.
C. oxidation.
D. All
the chemical reactions of the body.
9. Glucose is stored in the liver as
A. starch.
B. fat.
C. glycogen.
D. ATP.
10. During digestion, proteins are broken down into
molecules of
A. glucose.
B. fatty
acids.
C. amino
acids.
D. nucleic
acids.
ANSWER
1..D 2. B 3. B 4. A 5. A 6. A 7. B 8. D 9.C 10.C
RESPIRATORY SYSTEM
ANSWER
1. B 2. A 3. C 4. E 5. C 6. D 7. C 8. B 9. B 10. B
URINARY SYSTEM
ANSWER
1. D 2. A 3. D 4. B 5. A 6. D 7. A 8. C 9. C 10. B
NERVOUS SYSTEM
ANSWER
1. D 2. B 3. A 4. C 5. C 6. C 7. B 8. D 9. B 10. D
ENDOCRINE SYSTEM
ANSWER
1. B 2. A 3. C 4. C 5. A 6. A 7. D 8. A 9. C 10. A
1. The exchange of gases between blood and cells is
called
A. pulmonary
ventilation.
B. internal
respiration.
C. external
repiration.
D. cellular
respiration.
2. Which of the following does NOT belong to the
conducting prtion of the respiratory system?
A. alveoli
B. bronchioles
C. nose
D. pharynx
3. The structure which closes off the larynx is the
A. glottis.
B. Adam's
apple.
C. epiglottis.
D. vocal
cords.
4. Which of the following describes a correct order of
structures in the respiratory passeways?
A. pharynx,
trachea, larynx, bronchi, bronchioles
B. larynx,
pharynx, trachea, bronchiles, bronchi
C. trachea,
pharynx, larynx, bronchi, bronchioles
D. pharynx,
larynx, trachea, bronchi, bronchioles
5. The exchange of gases occurs in the
A. trachea.
B. bronchioles.
C. alveoli.
D. bronchus.
6. The volume of air that can be exhaled after normal
exhaltation is the
A. tidal
volume.
B. residual
volume.
C. inspiratory
reserve volume.
D. expiratory
reserve volume.
7. The volume of air in a normal breath is called
A. total
lung capacity.
B. vital
capacity.
C. tidal
volume.
D. residual
volume.
8. Gas exchange in the lungs happens by the process of
A. osmosis.
B. diffusion.
C. exocytosis.
D. active
transport.
9. Most oxygen in the blood is transported
A. as
gas dissolved in plasma.
B. as
oxyhemoglobin.
C. as
carboxyhemoglobin.
D. as
bicarbonate.
10. The primary chemical stimulus for breathing is the
concentration of
A. carbon
monoxide in the blood.
B. carbon
dioxide in the blood.
C. oxygen
in the blood.
D. carbonic
acid in the blood.
ANSWER
1. B 2. A 3. C 4. E 5. C 6. D 7. C 8. B 9. B 10. B
URINARY SYSTEM
1. The kidneys
A. help
regulate blood volume.
B. help
control blood pressure.
C. help
control pH.
D. All
of the above are correct.
2. The location of the kidneys in relationship to the
peritoneal lining of the abdominal cavity is referre to as
A. retroperitoneal.
B. retroabdominal.
C. posterior.
D. dorsal.
3. All of the following belong to the urinary system
EXCEPT the
A. urethra.
B. ureter.
C. bladder.
D. prostate.
4. The functional unit of the kidney is called a
A. glomerulus.
B. nephron.
C. corpuscle.
D. calyx.
5. Most glucose molecules are reabsorbed in the
A. proximal
convoluted tubules.
B. distal
convoluted tubules.
C. collecting
ducts.
D. loop
of Henle.
6. Which of the following substances can be eliminated
from the blood by tubular secretions?
A. potassium
ions
B. hydrogen
ions
C. ammonium
ions
D. All
of the above.
7. The structure that connects a kidney to the urinary
bladder is the
A. ureter.
B. urethra.
C. renal
pelvis.
D. collecting
duct.
8. Urine is expelled from the urinary bladder by
A. excretion.
B. defecation.
C. micturition.
D. filtration.
9. All the following are principle solutes of urine
EXCEPT
A. urea.
B. creatinine.
C. glycogen.
D. uric
acid.
10. Which of the following hormones increase reabsorption
of water in the collecting ducts?
A. renin.
B. ADH.
C. aldosterone.
D. insulin.
ANSWER
1. D 2. A 3. D 4. B 5. A 6. D 7. A 8. C 9. C 10. B
NERVOUS SYSTEM
1. Neurons that conduct nerve impulses from the receptors
to the central nervous system are
A. motor
neurons.
B. efferent
neurons.
C. interneurons.
D. sensory
neurons.
2. Processes that carry nerve impulses away from the cell
body are called
A. dendrites.
B. axons.
C. synapses.
D. myelin
sheaths.
3. The neuroglia that produce myelin sheaths around axons
in the peripheral nervous system are
A. Schwann
cells.
B. oligodendrocytes.
C. microglia.
D. astroctyes.
4. The portion of the nervous system that is considered
involuntary is the
A. somatic
nervous system.
B. sensory
nervous system.
C. autonomic
nervous system.
D. motor
nervous system.
5. All of the following are functions of the nervous
system EXCEPT
A. senses
changes.
B. analyzes
changes.
C. stores
calcium.
D. responses
to changes.
6. The different charge between the outside and the
inside of a neuron at rest is called
A. action
potential.
B. synaptic
potential.
C. resting
membrane potential.
D. equilibrium
potential.
7. The stage in an action potential that immediately
follows depolarization is
A. polarization.
B. repolarization.
C. threshold.
D. the
resting period.
8. The junction between two nerve cells is called
A. neuromuscular
junction.
B. neuroglandular
junction.
C. gap
junction.
D. synapse.
9. Neurotransmitters are released at the
A. dendrite.
B. axon
terminal.
C. cell
body.
D. myelin
sheath.
10. In the reflex arc, a muscle or gland is considered to
be the
A. receptor.
B. integrating
center.
C. motor
neuron.
D. effector.ANSWER
1. D 2. B 3. A 4. C 5. C 6. C 7. B 8. D 9. B 10. D
ENDOCRINE SYSTEM
1. All of the following are endocrine glands EXCEPT:
A. adrenal
glands
B. sebaceous
glands
C. pineal
glands
D. pituitary
glands
2. Hormones that enter target cells and bind to receptors
in the nucleus are called
A. steroid
hormones.
B. water
soluble hormones.
C. peptide
hormones.
D. second
messengers.
3. The hormones regulating blood calcium levels are
A. insulin
and glucagon.
B. glycogen
and parathyroid hormone.
C. parathyroid
hormone and calcitonin.
D. estrogen
and progesterone.
4. All of the following are hormones of the anterior
pituitary EXCEPT
A. human
growth hormone (GH).
B. follicle-stimulating
hormone (FSH).
C. parathyroid
hormone(PTH).
D. thyroid-stimulating
hormone (TSH).
5. Antidiuretic hormone and oxytocin are stored and
released by the
A. posterior
pituitary gland.
B. anterior
pituitary gland.
C. thyroid
gland.
D. adrenal
gland.
6. Calcitonin is a hormone of the
A. adrenal
cortex.
B. thyroid
gland.
C. pituitary
gland.
D. thymus
gland.
7. Mineralcorticoids
A. are
produced in the adrenal cortex.
B. are
steroid hormones.
C. help
regulate the homeostasis of sodium and potasium.
D. all
of the above.
8. Which of the following hormones are responsible for
the "fight-or-flight" response?
A. epinephrine
and norepinephrine.
B. insulin
and glucagon.
C. esrtogen
and progesterone.
D. thyroxin
and melatonin.
9. The gland which can be classified as an endocrine and
an exocrine gland is the
A. thyroid.
B. thymus.
C. pancreas.
D. pituitary.
10. . Glucagon
A. accelerates the conversion of glycogen into glucose.
B. slows down glucose formation from lactic acid.
C. decreases the conversion of glycogen into glucose.
D. speeds up protein synthesis within cells.
A. accelerates the conversion of glycogen into glucose.
B. slows down glucose formation from lactic acid.
C. decreases the conversion of glycogen into glucose.
D. speeds up protein synthesis within cells.
1. B 2. A 3. C 4. C 5. A 6. A 7. D 8. A 9. C 10. A
REPRODUCTIVE SYSTEM
ANSWER
1. A 2. D 3. B 4. B 5. A 6. B 7. D 8. D 9. B 10. A
LYMPATIC SYSTEM
ANSWER
1. D 2. B 3. D 4. C 5. D 6. A 7. C 8. D 9. C 10. C
1. Sperm production begins in the
A. seminiferous
tubules.
B. epididymis.
C. vas
deferens.
D. ejaculatory
duct.
2. The cell produced by fertilization is called
A. gamete.
B. embryo.
C. fetus.
D. zygote.
3. The production of testosterone in the interstitial
cells is stimulated by
A. inhibin.
B. luteinizing
hormone (LH).
C. follicle-stimulating
hormone (FSH).
D. progesterone.
4. Sperm maturation occurs in the
A. seminiferous
tubules.
B. epididymis.
C. vas
deferens.
D. urethra.
5. The layer of the uterine wall that is shed during
menstruation is the
A. endometrium.
B. myometrium.
C. epimetrium.
D. None
of the above.
6. The external genitalia of the female are collectively
called
A. labia.
B. vulva.
C. clitoris.
D. mons
pubis.
7.The hormone that works with estrogen to prepare the
endometrium for implantation of a fertilized egg is
A. LH.
B. FSH.
C. ADH.
D. progesterone.
8. The average menstrual cycle is
A. 14
days.
B. 18
days.
C. 24
days.
D. 28
days.
9. The structure between the uterus and the vagina is the
A. uterine
tube.
B. cervix.
C. vulva.
D. hymen.
10. The hormone that stimulates uterine contractions is
A. oxytocin.
B. estrogen.
C. granular
cell carcinoma.
D. progesterone.ANSWER
1. A 2. D 3. B 4. B 5. A 6. B 7. D 8. D 9. B 10. A
LYMPATIC SYSTEM
1. All of the following belong to the lymphatic system
EXCEPT
A. lymph.
B. lymphatic
vessels.
C. red
bone marrow.
D. yellow
bone marrow.
2. Which of the following cells produce antibodies?
A. T-lymphocytes
B. B-lymphocytes
C. monocytes
D. phagocytes
3. Lymph nodes
A. are
bean-shaped organs.
B. are
located along lymphatic vessels.
C. are
scattered throughout the body.
D. All
of the above.
4. Worn-out and damaged red blood cells are destroyed in
the
A. thymus
gland.
B. tonsils.
C. spleen.
D. lymph
nodes.
5. The first line of defense against disease-causing
organisms is
A. cell-based
immunity.
B. production
of antibodies.
C. inflammation.
D. the
intact skin.
6. Complement proteins
A. are
found in blood plasma.
B. are
present in infected cells.
C. are
produced by T-cells.
D. are
produced by B-cells.
7. All of the following are symptoms of inflammation
EXCEPT
A. pain
B. redness
C. fever
D. swelling
8. Which of the following an act as an antigen?
A. bacteria
B. viruses
C. food
D. All
of the above.
9. Vaccination is an example of
A. naturally
aquired active immunity.
B. naturally
acquired passive immunity.
C. artifically
acquired active immunity.
D. artifically
acquired passive immunity.
10. Cell-mediated immunity is provided by
A. macrophages.
B. basophils.
C. T-cells.
D. B-cells.
1. D 2. B 3. D 4. C 5. D 6. A 7. C 8. D 9. C 10. C
