1) the middle ear consists of a fluid-filled chamber.
2) peptide hormones are synthesized by cytoplasmic ribosomes as active enzymes.
3) most autonomic efferent pathways involve one neuron.
4) the mastoid process cannot be palpated on a living person.
5) most fat is digested by pancreatic lipase.
6) dna is composed of double-ring nitrogenous bases, whereas rna is composed of
single-ring nitrogenous bases.
7) phenotype is the result of genetic influences only.
8) in an exchange reaction, covalent bonds are broken and new covalent bonds are
formed.
9) gastric juice consists entirely of water and hydrochloric acid.
10) the wernicke area recognizes spoken and written language.
11) plasma cells produce the ground substance that forms the matrix of connective
tissues.
12) a gene can be defined as an information-containing segment of rna that codes for
the production of a polypeptide.
13) the heart occupies a space called the pericardial cavity between the parietal and
visceral pericardium.
14) the placenta begins to form after week
15) which of the following is not an accessory organ of digestion?
a. tongue
b. liver
c. pancreas
d. salivary glands
e. spleen
16) the formula of an amino group is __________; the formula of a carboxyl group is
__________.
a. -cooh; -oh
b. -ch3; -nh2
c. -oh; -sh
d. -nh2; -cooh
e. -sh; -h2po4
17) aldosterone acts on the __________.
a. proximal convoluted tubule
b. medullary portion of the collecting duct
c. descending limb of the nephron loop
d. distal convoluted tubule
e. glomerulus
18) which of the followingstructures prevents knee hyperextension?
a. the anterior cruciate ligament (acl)
b. the posterior cruciate ligament (pcl)
c. the fibular (lateral) collateral ligament
d. the medial meniscus
e. the lateral meniscus
19) which of the following is not normally found in plasma?
a. glycogen
b. fibrinogen
c. glucose
d. urea
e. albumin
20) senescence of the immune system makes older people more susceptible to cancer
and infectious disease because of a decline in __________.
a. alpha and beta globulins
b. red blood cells and platelets
c. complement proteins
d. prothrombin and fibrinogen
e. antigen-presenting cells and helper t cells
21) which of the following gives a cellstructural support, determines the shape of a cell,
and directs the movement of substances through a cell?
a. cholesterol
b. the nucleus
c. the plasma membrane
d. the golgi complex
e. the cytoskeleton
22) fatty acids are catabolized through which process?
a.beta oxidation
b.ketogenesis
c.lipogenesis
d.lipolysis
e.the fat-sparing effect
23) a myelin sheath is composed primarily of __________.
a. lipids
b. carbohydrates
c. glycoproteins
d. proteins
e. polysaccharides
24) which of the following is not a property of reflexes?
a. reflex responses are very predictable.
b. reflexes are responses to sensory inputs.
c. reflexes are quick responses of the nervous system.
d. reflexes are not voluntary.
e. reflexes do not require a stimulus.
25) excessive hairiness is called __________.
a. telogenism
b. anagenism
c. catagenism
d. alopecia
e. hirsutism
26) which of the following is not a reason that somatic reflexes act faster than visceral
reflexes?
a. the effector pathway in the somatic reflex arc is myelinated.
b. the effector pathway in the visceral reflex arc involves more neurons.
c. the effector pathway in the visceral reflex arc involves more chemical synapses.
d. some of the neurons in the effector pathway in the visceral reflex arc are
unmyelinated.
e. the effector organs in the somatic reflex are closer to the spinal cord.
27) spines of the __________ form a part of the pelvic outlet.
a. sacrum
b. pubis
c. ischium
d. ilium
e. pubic symphysis
28) the spinous process has a bifid tip in most __________ vertebrae.
a. cervical
b. thoracic
c. lumbar
d. sacral
e. coccygeal
29) when should the basal metabolic rate be measured?
a. when a person is sleeping
b. when a person first rises in the morning
c. when a person has just eaten a meal of no more than 2000 kcal
d. when a person is in the absorptive state
e. when a person is engaged in normal physical activity but not strenuous exercise
30) what is the largest leukocyte that containssmall cytoplasmic granules and typically a
kidney- or horseshoe-shaped nucleus?
a. monocyte
b. lymphocyte
c. neutrophil
d. eosinophil
e. basophil
31) feeling structures with your fingertips is called _________, whereas tapping on the
body and listening for sounds of abnormalities is called ____________.
a. palpation; auscultation
b. auscultation; percussion
c. percussion; auscultation
d. palpation; percussion
e. percussion; palpation
32) where does myeloid hemopoiesis take place in adults?
a. thymus
b. spleen
c. red bone marrow
d. yellow bone marrow
e. liver